Accommodate space boundaries with no connection geometry, fetch spatial structure for IFC2X3, and fix scale bug when editing boundary profiles.

Bumps [flask](https://github.com/pallets/flask) from 2.0.1 to 2.3.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/flask/compare/2.0.1...2.3.2)

---
updated-dependencies:
- dependency-name: flask
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

src/blenderbim/blenderbim/bim/module/boundary/__init__.py

@@ -22,26 +22,34 @@ from . import ui, operator, prop
 classes = (
     operator.ColourByRelatedBuildingElement,
     operator.DisableEditingBoundary,
+    operator.DisableEditingBoundaryGeometry,
     operator.EditBoundaryAttributes,
+    operator.EditBoundaryGeometry,
     operator.EnableEditingBoundary,
+    operator.EnableEditingBoundaryGeometry,
+    operator.HideBoundaries,
+    operator.LoadBoundary,
     operator.LoadProjectSpaceBoundaries,
     operator.LoadSpaceBoundaries,
-    operator.LoadBoundary,
-    operator.SelectRelatedElementBoundaries,
     operator.SelectProjectBoundaries,
+    operator.SelectRelatedElementBoundaries,
     operator.SelectRelatedElementTypeBoundaries,
     operator.SelectSpaceBoundaries,
+    operator.ShowBoundaries,
     operator.UpdateBoundaryGeometry,
     ui.BIM_PT_Boundary,
     ui.BIM_PT_SceneBoundaries,
     ui.BIM_PT_SpaceBoundaries,
     prop.BIMBoundaryProperties,
+    prop.BIMObjectBoundaryProperties,
 )
 
 
 def register():
-    bpy.types.Object.bim_boundary_properties = bpy.props.PointerProperty(type=prop.BIMBoundaryProperties)
+    bpy.types.Scene.BIMBoundaryProperties = bpy.props.PointerProperty(type=prop.BIMBoundaryProperties)
+    bpy.types.Object.bim_boundary_properties = bpy.props.PointerProperty(type=prop.BIMObjectBoundaryProperties)
 
 
 def unregister():
+    del bpy.types.Scene.BIMBoundaryProperties
     del bpy.types.Object.bim_boundary_properties

src/blenderbim/blenderbim/bim/module/boundary/decorator.py

@@ -0,0 +1,112 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2023 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import gpu
+import bmesh
+import blenderbim.tool as tool
+from bpy.types import SpaceView3D
+from mathutils import Vector
+from gpu_extras.batch import batch_for_shader
+
+
+class BoundaryDecorator:
+    installed = None
+
+    @classmethod
+    def install(cls, context):
+        if cls.installed:
+            cls.uninstall()
+        handler = cls()
+        cls.installed = SpaceView3D.draw_handler_add(handler, (context,), "WINDOW", "POST_VIEW")
+
+    @classmethod
+    def uninstall(cls):
+        try:
+            SpaceView3D.draw_handler_remove(cls.installed, "WINDOW")
+        except ValueError:
+            pass
+        cls.installed = None
+
+    def draw_batch(self, shader_type, content_pos, color, indices=None):
+        shader = self.line_shader if shader_type == "LINES" else self.shader
+        batch = batch_for_shader(shader, shader_type, {"pos": content_pos}, indices=indices)
+        shader.uniform_float("color", color)
+        batch.draw(shader)
+
+    def __call__(self, context):
+        self.addon_prefs = context.preferences.addons["blenderbim"].preferences
+        selected_elements_color = self.addon_prefs.decorator_color_selected
+        unselected_elements_color = self.addon_prefs.decorator_color_unselected
+        special_elements_color = self.addon_prefs.decorator_color_special
+
+        def transparent_color(color, alpha=0.1):
+            color = [i for i in color]
+            color[3] = alpha
+            return color
+
+        gpu.state.point_size_set(6)
+        gpu.state.blend_set("ALPHA")
+
+        self.line_shader = gpu.shader.from_builtin("3D_POLYLINE_UNIFORM_COLOR")
+        self.line_shader.bind()  # required to be able to change uniforms of the shader
+        # POLYLINE_UNIFORM_COLOR specific uniforms
+        self.line_shader.uniform_float("viewportSize", (context.region.width, context.region.height))
+        self.line_shader.uniform_float("lineWidth", 2.0)
+
+        # general shader
+        self.shader = gpu.shader.from_builtin("3D_UNIFORM_COLOR")
+
+        selected_vertices = []
+        selected_edges = []
+        selected_tris = []
+        unselected_vertices = []
+        unselected_edges = []
+        unselected_tris = []
+
+        for boundary in context.scene.BIMBoundaryProperties.boundaries:
+            obj = boundary.obj
+            if not obj or not obj.data:  # A boundary may not have data if it has no connection geometry
+                continue
+
+            if obj.mode == "EDIT":
+                continue  # A profile decorator or something else is used here.
+            else:
+                bm = bmesh.new()
+                bm.from_mesh(obj.data)
+                obj.data.calc_loop_triangles()
+
+                if obj.select_get():
+                    offset = len(selected_vertices)
+                    selected_vertices.extend([tuple(obj.matrix_world @ v.co) for v in bm.verts])
+                    selected_edges.extend([tuple([v.index + offset for v in e.verts]) for e in bm.edges])
+                    selected_tris.extend([tuple([i + offset for i in t.vertices]) for t in obj.data.loop_triangles])
+                else:
+                    offset = len(unselected_vertices)
+                    unselected_vertices.extend([tuple(obj.matrix_world @ v.co) for v in bm.verts])
+                    unselected_edges.extend([tuple([v.index + offset for v in e.verts]) for e in bm.edges])
+                    unselected_tris.extend([tuple([i + offset for i in t.vertices]) for t in obj.data.loop_triangles])
+
+            if obj.mode != "EDIT":
+                bm.free()
+
+        if unselected_edges:
+            self.draw_batch("LINES", unselected_vertices, special_elements_color, unselected_edges)
+            self.draw_batch("TRIS", unselected_vertices, transparent_color(special_elements_color), unselected_tris)
+        if selected_edges:
+            self.draw_batch("LINES", selected_vertices, selected_elements_color, selected_edges)
+            self.draw_batch("TRIS", selected_vertices, transparent_color(selected_elements_color), selected_tris)

src/blenderbim/blenderbim/bim/module/boundary/operator.py

@@ -24,8 +24,10 @@ import ifcopenshell.api
 import ifcopenshell.util.placement
 import ifcopenshell.util.unit
 import blenderbim.tool as tool
-from blenderbim.bim.ifc import IfcStore
 import blenderbim.bim.import_ifc as import_ifc
+from blenderbim.bim.ifc import IfcStore
+from blenderbim.bim.module.model.decorator import ProfileDecorator
+from blenderbim.bim.module.boundary.decorator import BoundaryDecorator
 
 
 def get_boundaries_collection(blender_space):
@@ -38,6 +40,20 @@ def get_boundaries_collection(blender_space):
     return boundaries_collection
 
 
+def disable_editing_boundary_geometry(context):
+    ProfileDecorator.uninstall()
+    bpy.ops.object.mode_set(mode="OBJECT")
+
+    obj = context.active_object
+    element = tool.Ifc.get_entity(obj)
+
+    old_mesh = obj.data
+    loader = Loader()
+    obj.data = loader.create_mesh(element)
+    tool.Geometry.delete_data(old_mesh)
+    return {"FINISHED"}
+
+
 class Loader:
     def __init__(self):
         self.ifc_file = None
@@ -376,3 +392,132 @@ class UpdateBoundaryGeometry(bpy.types.Operator):
         settings = tool.Boundary.get_assign_connection_geometry_settings(context.active_object)
         ifcopenshell.api.run("boundary.assign_connection_geometry", tool.Ifc.get(), **settings)
         return {"FINISHED"}
+
+
+class EnableEditingBoundaryGeometry(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.enable_editing_boundary_geometry"
+    bl_label = "Enable Editing Boundary Geometry"
+    bl_options = {"REGISTER", "UNDO"}
+
+    @classmethod
+    def poll(cls, context):
+        return context.selected_objects
+
+    def _execute(self, context):
+        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        obj = context.active_object
+        element = tool.Ifc.get_entity(obj)
+
+        if element.ConnectionGeometry.is_a("IfcConnectionSurfaceGeometry"):
+            surface = element.ConnectionGeometry.SurfaceOnRelatingElement
+            tool.Model.import_surface(surface, obj)
+
+        bpy.ops.object.mode_set(mode="EDIT")
+        ProfileDecorator.install(context, exit_edit_mode_callback=lambda: disable_editing_boundary_geometry(context))
+        if not bpy.app.background:
+            bpy.ops.wm.tool_set_by_id(tool.Blender.get_viewport_context(), name="bim.cad_tool")
+        return {"FINISHED"}
+
+
+class EditBoundaryGeometry(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.edit_boundary_geometry"
+    bl_label = "Edit Boundary Geometry"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        ProfileDecorator.uninstall()
+        bpy.ops.object.mode_set(mode="OBJECT")
+
+        obj = context.active_object
+        element = tool.Ifc.get_entity(obj)
+
+        if element.ConnectionGeometry.is_a("IfcConnectionSurfaceGeometry"):
+            surface = tool.Model.export_surface(obj)
+
+            if not surface:
+
+                def msg(self, context):
+                    self.layout.label(text="INVALID PROFILE")
+
+                bpy.context.window_manager.popup_menu(msg, title="Error", icon="ERROR")
+                ProfileDecorator.install(
+                    context, exit_edit_mode_callback=lambda: disable_editing_boundary_geometry(context)
+                )
+                bpy.ops.object.mode_set(mode="EDIT")
+                return
+
+            old_surface = element.ConnectionGeometry.SurfaceOnRelatingElement
+            for inverse in tool.Ifc.get().get_inverse(old_surface):
+                ifcopenshell.util.element.replace_attribute(inverse, old_surface, surface)
+            ifcopenshell.util.element.remove_deep2(tool.Ifc.get(), old_surface)
+
+            old_mesh = obj.data
+            loader = Loader()
+            obj.data = loader.create_mesh(element)
+            tool.Geometry.delete_data(old_mesh)
+
+
+class DisableEditingBoundaryGeometry(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.disable_editing_boundary_geometry"
+    bl_label = "Disable Editing Boundary Geometry"
+    bl_options = {"REGISTER", "UNDO"}
+
+    @classmethod
+    def poll(cls, context):
+        return context.selected_objects
+
+    def _execute(self, context):
+        return disable_editing_boundary_geometry(context)
+
+
+class ShowBoundaries(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.show_boundaries"
+    bl_label = "Show Boundaries"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        props = bpy.context.scene.BIMBoundaryProperties
+        loader = Loader()
+        for obj in context.selected_objects:
+            element = tool.Ifc.get_entity(obj)
+            if not element or not getattr(element, "BoundedBy", None):
+                continue
+            if tool.Ifc.is_moved(obj):
+                blenderbim.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
+            element = tool.Ifc.get_entity(context.active_object)
+            for rel in element.BoundedBy or []:
+                boundary_obj = loader.load_boundary(rel, context.active_object)
+                new = props.boundaries.add()
+                new.obj = boundary_obj
+        BoundaryDecorator.install(bpy.context)
+        return {"FINISHED"}
+
+
+class HideBoundaries(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.hide_boundaries"
+    bl_label = "Hide Boundaries"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        to_delete = set()
+        spaces = set()
+        for obj in context.selected_objects:
+            element = tool.Ifc.get_entity(obj)
+            if not element:
+                continue
+            if element.is_a("IfcSpace"):
+                spaces.add(element)
+            elif element.is_a("IfcRelSpaceBoundary"):
+                spaces.add(element.RelatingSpace)
+
+        for element in spaces:
+            for boundary in element.BoundedBy or []:
+                boundary_obj = tool.Ifc.get_object(boundary)
+                if boundary_obj:
+                    to_delete.add(boundary_obj)
+        for boundary_obj in to_delete:
+            tool.Ifc.unlink(obj=boundary_obj)
+            bpy.data.objects.remove(boundary_obj)
+        context.scene.BIMBoundaryProperties.boundaries.clear()
+        return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/boundary/prop.py

@@ -18,6 +18,7 @@
 
 import bpy
 from bpy.types import PropertyGroup
+from blenderbim.bim.prop import ObjProperty
 from bpy.props import (
     PointerProperty,
     StringProperty,
@@ -52,9 +53,13 @@ def element_filter(self, object):
     return False
 
 
-class BIMBoundaryProperties(PropertyGroup):
+class BIMObjectBoundaryProperties(PropertyGroup):
     is_editing: BoolProperty(name="Is Editing")
     relating_space: PointerProperty(name="RelatingSpace", type=bpy.types.Object, poll=space_filter)
     related_building_element: PointerProperty(name="RelatedBuildingElement", type=bpy.types.Object, poll=element_filter)
     parent_boundary: PointerProperty(name="ParentBoundary", type=bpy.types.Object, poll=boundary_filter)
     corresponding_boundary: PointerProperty(name="CorrespondingBoundary", type=bpy.types.Object, poll=boundary_filter)
+
+
+class BIMBoundaryProperties(PropertyGroup):
+    boundaries: bpy.props.CollectionProperty(type=ObjProperty)

src/blenderbim/blenderbim/bim/module/cad/workspace.py

@@ -46,7 +46,7 @@ class CadTool(WorkSpaceTool):
         ("bim.cad_hotkey", {"type": "X", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_X")]}),
     )
 
-    def draw_settings(context, layout, tool):
+    def draw_settings(context, layout, workspace_tool):
         obj = context.active_object
         if not obj or not obj.data:
             return
@@ -54,14 +54,19 @@ class CadTool(WorkSpaceTool):
             row = layout.row(align=True)
             row.label(text="", icon="EVENT_SHIFT")
             row.label(text="", icon="EVENT_Q")
-            if obj.BIMObjectProperties.ifc_definition_id:
-                row.operator("bim.edit_extrusion_profile", text="Save Profile")
-                row.operator("bim.align_view_to_profile", text="", icon="AXIS_FRONT")
-                row.operator("bim.disable_editing_extrusion_profile", text="", icon="CANCEL")
-            else:
-                row.operator("bim.edit_arbitrary_profile", text="Save Profile")
-                row.operator("bim.align_view_to_profile", text="", icon="AXIS_FRONT")
-                row.operator("bim.disable_editing_arbitrary_profile", text="", icon="CANCEL")
+            element = tool.Ifc.get_entity(obj)
+            if element:
+                if element.is_a("IfcProfileDef"):
+                    row.operator("bim.edit_arbitrary_profile", text="Save Profile")
+                    row.operator("bim.align_view_to_profile", text="", icon="AXIS_FRONT")
+                    row.operator("bim.disable_editing_arbitrary_profile", text="", icon="CANCEL")
+                elif element.is_a("IfcRelSpaceBoundary"):
+                    row.operator("bim.edit_boundary_geometry", text="Save Profile")
+                    row.operator("bim.disable_editing_boundary_geometry", text="", icon="CANCEL")
+                else:
+                    row.operator("bim.edit_extrusion_profile", text="Save Profile")
+                    row.operator("bim.align_view_to_profile", text="", icon="AXIS_FRONT")
+                    row.operator("bim.disable_editing_extrusion_profile", text="", icon="CANCEL")
 
             row = layout.row(align=True)
             row.label(text="", icon="EVENT_SHIFT")
@@ -255,28 +260,30 @@ class CadHotkey(bpy.types.Operator):
         bpy.ops.bim.cad_offset(distance=self.props.distance)
 
     def hotkey_S_Q(self):
-        if tool.Ifc.get_entity(bpy.context.active_object):
-            if bpy.context.active_object.data.BIMMeshProperties.subshape_type == "PROFILE":
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        if bpy.context.active_object.data.BIMMeshProperties.subshape_type == "PROFILE":
+            if element.is_a("IfcProfileDef"):
+                bpy.ops.bim.edit_arbitrary_profile()
+            elif element.is_a("IfcProfileDef"):
+                bpy.ops.bim.edit_boundary_geometry()
+            else:
                 bpy.ops.bim.edit_extrusion_profile()
-            elif bpy.context.active_object.data.BIMMeshProperties.subshape_type == "AXIS":
-                bpy.ops.bim.edit_extrusion_axis()
+        elif bpy.context.active_object.data.BIMMeshProperties.subshape_type == "AXIS":
+            bpy.ops.bim.edit_extrusion_axis()
 
-            elif (
-                (RailingData.is_loaded or not RailingData.load())
-                and RailingData.data["parameters"]
-                and bpy.context.active_object.BIMRailingProperties.is_editing_path
-            ):
-                bpy.ops.bim.finish_editing_railing_path()
+        elif (
+            (RailingData.is_loaded or not RailingData.load())
+            and RailingData.data["parameters"]
+            and bpy.context.active_object.BIMRailingProperties.is_editing_path
+        ):
+            bpy.ops.bim.finish_editing_railing_path()
 
-            elif (
-                (RoofData.is_loaded or not RoofData.load())
-                and RoofData.data["parameters"]
-                and bpy.context.active_object.BIMRoofProperties.is_editing_path
-            ):
-                bpy.ops.bim.finish_editing_roof_path()
-
-        else:
-            bpy.ops.bim.edit_arbitrary_profile()
+        elif (
+            (RoofData.is_loaded or not RoofData.load())
+            and RoofData.data["parameters"]
+            and bpy.context.active_object.BIMRoofProperties.is_editing_path
+        ):
+            bpy.ops.bim.finish_editing_roof_path()
 
     def hotkey_S_R(self):
         if self.is_profile():

src/blenderbim/blenderbim/bim/module/drawing/data.py

@@ -32,6 +32,7 @@ def refresh():
     AnnotationData.is_loaded = False
     DecoratorData.data = {}
     DecoratorData.cut_cache = {}
+    DecoratorData.layerset_cache = {}
 
 
 class ProductAssignmentsData:
@@ -155,6 +156,7 @@ class DecoratorData:
     # stores 1 type of data per object
     data = {}
     cut_cache = {}
+    layerset_cache = {}
 
     # used by Ifc Annotations with ObjectType = "BATTING"
     @classmethod
@@ -226,9 +228,11 @@ class DecoratorData:
 
         props = obj.BIMTextProperties
         # getting font size
-        classes = ifcopenshell.util.element.get_pset(element, "EPset_Annotation", "Classes")
+        pset_data = ifcopenshell.util.element.get_pset(element, "EPset_Annotation") or {}
         # use `regular` as default
-        if classes:
+
+        # get font size
+        if classes := pset_data.get("Classes", None):
             classes_split = classes.split()
             # prioritize smaller font sizes just like in svg
             font_size_type = next(
@@ -238,6 +242,9 @@ class DecoratorData:
             font_size_type = "regular"
         font_size = FONT_SIZES[font_size_type]
 
+        # get symbol
+        symbol = pset_data.get("Symbol", None)
+
         # other attributes
         props_literals = props.literals
         props_literals_n = len(props.literals)
@@ -255,7 +262,7 @@ class DecoratorData:
 
             literals_data.append(literal_data)
 
-        text_data = {"Literals": literals_data, "FontSize": font_size}
+        text_data = {"Literals": literals_data, "FontSize": font_size, "Symbol": symbol}
         cls.data[obj.name] = text_data
         return text_data
 

src/blenderbim/blenderbim/bim/module/drawing/decoration.py

@@ -268,7 +268,7 @@ class BaseDecorator:
 
         region = context.region
         region3d = context.region_data
-        color = context.scene.DocProperties.decorations_colour
+        color = context.preferences.addons["blenderbim"].preferences.decorations_colour
 
         fmt = GPUVertFormat()
         fmt.attr_add(id="pos", comp_type="F32", len=3, fetch_mode="FLOAT")
@@ -341,7 +341,7 @@ class BaseDecorator:
 
         dpi = context.preferences.system.dpi
 
-        color = context.scene.DocProperties.decorations_colour
+        color = context.preferences.addons["blenderbim"].preferences.decorations_colour
 
         ang = -Vector((1, 0)).angle_signed(text_dir)
         cos = math.cos(ang)
@@ -437,12 +437,16 @@ class BaseDecorator:
         props = obj.BIMTextProperties
         text_data = props.get_text_edited_data() if props.is_editing else DecoratorData.get_ifc_text_data(obj)
         literals_data = text_data["Literals"]
+        symbol = text_data["Symbol"]
+        text_scale = 1.0
 
-        # draw asterisk symbol to visually indicate that there are multiple literals
-        if len(literals_data) > 1:
+        # draw asterisk symbol to indicate that there is some symbol that's not shown in viewport
+        if symbol:
             verts = [text_world_position]
             idxs = [(0, 0)]
             self.draw_lines(context, obj, verts, idxs)
+            # NOTE: for now we assume that scale is uniform
+            text_scale = obj.scale.x
 
         line_i = 0
         for literal_data in literals_data:
@@ -457,7 +461,7 @@ class BaseDecorator:
                     gap=0,
                     center=False,
                     vcenter=False,
-                    font_size_mm=text_data["FontSize"],
+                    font_size_mm=text_data["FontSize"] * text_scale,
                     line_no=line_i,
                     box_alignment=box_alignment,
                 )
@@ -1910,8 +1914,8 @@ class CutDecorator:
         cls.installed = None
 
     def __call__(self, context):
-        self.model_props = context.scene.BIMModelProperties
-        selected_elements_color = self.model_props.decorator_color_selected
+        self.addon_prefs = context.preferences.addons["blenderbim"].preferences
+        selected_elements_color = self.addon_prefs.decorator_color_selected
 
         all_vertices = []
         all_edges = []
@@ -1993,6 +1997,8 @@ class CutDecorator:
 
         if verts is False:
             return None, None
+        elif verts:
+            return verts, edges
 
         if not tool.Drawing.is_intersecting_camera(obj, context.scene.camera):
             DecoratorData.cut_cache[element.id()] = (False, False)
@@ -2004,14 +2010,35 @@ class CutDecorator:
         return verts, edges
 
     def slice_layersets(self, context, obj, cut_verts, cut_edges):
-        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
-
-        imat = obj.matrix_world.inverted()
         element = tool.Ifc.get_entity(obj)
-        if "LAYER" not in (tool.Model.get_usage_type(element) or ""):
+
+        # Currently selected objects shall not be cached as they may be being moved / edited.
+        # If the camera is selected, we also disable the cache as the user may be moving the camera.
+        if obj.select_get() or context.scene.camera.select_get():
+            verts, edges = None, None
+        else:
+            verts, edges = DecoratorData.layerset_cache.get(element.id(), (None, None))
+
+        if verts is False:
+            return None, None
+        elif verts is not None:
+            return verts, edges
+
+        if not tool.Drawing.is_intersecting_camera(obj, context.scene.camera):
+            DecoratorData.layerset_cache[element.id()] = (False, False)
             return None, None
 
+        if tool.Model.get_usage_type(element) != "LAYER2":
+            DecoratorData.layerset_cache[element.id()] = (False, False)
+            return None, None
+
+        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
         layers = self.get_layer_data(element)
+
+        if not layers:
+            DecoratorData.layerset_cache[element.id()] = (False, False)
+            return None, None
+
         minx = min([co[0] for co in obj.bound_box])
         maxx = max([co[0] for co in obj.bound_box])
         min_edge = [Vector((minx, layers["offset"])), Vector((maxx, layers["offset"]))]
@@ -2106,6 +2133,7 @@ class CutDecorator:
             edges.extend([(i + offset, i + 1 + offset) for i in range(0, len(linestring) - 1)])
             offset += len(linestring)
 
+        DecoratorData.layerset_cache[element.id()] = (verts, edges)
         return verts, edges
 
     def bisect_mesh(self, obj, bm, camera):
@@ -2140,6 +2168,10 @@ class CutDecorator:
         usage = ifcopenshell.util.element.get_material(element)
         offset = usage.OffsetFromReferenceLine * self.unit_scale
         layer_set = usage.ForLayerSet
+
+        if len(layer_set.MaterialLayers) == 1:
+            return  # No use slicing if there's only one layer
+
         total_thickness = layer_set.TotalThickness
         half_thickness = total_thickness / 2
         min_layers = []
@@ -2191,22 +2223,30 @@ class CutDecorator:
     def get_connections(self, wall, obj, centerline, min_edge, max_edge):
         connections = {"ATEND": None, "ATSTART": None, "ATPATH": [], "MINPATH": [], "MAXPATH": []}
         for rel in wall.ConnectedTo:
+            # How do you join to a non layered element? Not sure.
+            if tool.Model.get_usage_type(rel.RelatedElement) != "LAYER2":
+                continue
             if rel.RelatingConnectionType == "ATPATH":
-                connections["ATPATH"].append(
-                    self.get_connection_metadata(obj, rel.RelatedElement, centerline, min_edge, max_edge)
-                )
+                metadata = self.get_connection_metadata(obj, rel.RelatedElement, centerline, min_edge, max_edge)
+                if not metadata:
+                    continue
+                connections["ATPATH"].append(metadata)
             else:
-                connections[rel.RelatingConnectionType] = self.get_connection_metadata(
-                    obj, rel.RelatedElement, centerline, min_edge, max_edge
-                )
+                metadata = self.get_connection_metadata(obj, rel.RelatedElement, centerline, min_edge, max_edge)
+                if not metadata:
+                    continue
+                connections[rel.RelatingConnectionType] = metadata
         for rel in wall.ConnectedFrom:
+            if tool.Model.get_usage_type(rel.RelatingElement) != "LAYER2":
+                continue
             # We only consider ATPATH since in this situation, we have the
             # priority. The non-priority wall never has any layers that need to
             # "turn a corner".
             if rel.RelatedConnectionType == "ATPATH":
-                connections["ATPATH"].append(
-                    self.get_connection_metadata(obj, rel.RelatingElement, centerline, min_edge, max_edge)
-                )
+                metadata = self.get_connection_metadata(obj, rel.RelatingElement, centerline, min_edge, max_edge)
+                if not metadata:
+                    continue
+                connections["ATPATH"].append(metadata)
         connections["ATPATH"] = sorted(connections["ATPATH"], key=lambda c: c["intersection"].x)
         for connection in connections["ATPATH"]:
             if connection["angle"] > 0:
@@ -2216,9 +2256,10 @@ class CutDecorator:
         return connections
 
     def get_connection_metadata(self, obj, rel_element, centerline, min_edge, max_edge):
-        imat = obj.matrix_world.inverted()
         rel_obj = tool.Ifc.get_object(rel_element)
         layers = self.get_layer_data(rel_element)
+        if not layers:
+            return
         minx = min([co[0] for co in rel_obj.bound_box])
         maxx = max([co[0] for co in rel_obj.bound_box])
         rel_centerline = [
@@ -2227,7 +2268,11 @@ class CutDecorator:
         ]
         rel_centerline = [obj.matrix_world.inverted() @ rel_obj.matrix_world @ v.to_3d() for v in rel_centerline]
         rel_centerline = [v.to_2d() for v in rel_centerline]
-        intersection, _ = tool.Cad.intersect_edges(centerline, rel_centerline)
+        intersection = tool.Cad.intersect_edges(centerline, rel_centerline)
+        if intersection:
+            intersection, _ = intersection
+        else:
+            return
         closest_centerline_point = tool.Cad.closest_vector(intersection, tuple(rel_centerline))
         if closest_centerline_point == rel_centerline[1]:
             rel_centerline = [rel_centerline[1], rel_centerline[0]]

src/blenderbim/blenderbim/bim/module/drawing/operator.py

@@ -829,6 +829,10 @@ class CreateDrawing(bpy.types.Operator):
         ifc = tool.Ifc.get()
         for el in root.findall(".//{http://www.w3.org/2000/svg}g[@{http://www.ifcopenshell.org/ns}guid]"):
             element = ifc.by_guid(el.get("{http://www.ifcopenshell.org/ns}guid"))
+            # Architectural convention only merges these objects. E.g. pipe segments and fittings shouldn't merge.
+            if not element.is_a("IfcWall") and not element.is_a("IfcSlab"):
+                continue
+
             classes = self.get_svg_classes(element)
             classes.append("cut")
 
@@ -865,7 +869,11 @@ class CreateDrawing(bpy.types.Operator):
                 if is_closed_polygon:
                     el.getparent().remove(el)
 
-            merged_polygons = shapely.ops.unary_union(polygons)
+            try:
+                merged_polygons = shapely.ops.unary_union(polygons)
+            except:
+                print("Warning. Portions of the merge failed. Please report a bug!", polygons)
+                merged_polygons = polygons
 
             if type(merged_polygons) == shapely.MultiPolygon:
                 merged_polygons = merged_polygons.geoms

src/blenderbim/blenderbim/bim/module/drawing/prop.py

@@ -312,9 +312,6 @@ class DocProperties(PropertyGroup):
     ifc_files: CollectionProperty(name="IFCs", type=StrProperty)
     drawing_styles: CollectionProperty(name="Drawing Styles", type=DrawingStyle)
     should_draw_decorations: BoolProperty(name="Should Draw Decorations", update=toggleDecorations)
-    decorations_colour: FloatVectorProperty(
-        name="Decorations Colour", subtype="COLOR", default=(1, 1, 1, 1), min=0.0, max=1.0, size=4
-    )
     sheets_dir: StringProperty(default=os.path.join("sheets") + os.path.sep, name="Default Sheets Directory")
     layouts_dir: StringProperty(default=os.path.join("layouts") + os.path.sep, name="Default Layouts Directory")
     titleblocks_dir: StringProperty(

src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py

@@ -673,7 +673,6 @@ class SvgWriter:
         text_dir = (self.camera.matrix_world.inverted().to_quaternion() @ text_dir_world_x_axis).to_2d().normalized()
         angle = math.degrees(-text_dir.angle_signed(Vector((1, 0))))
 
-        transform = "rotate({}, {}, {})".format(angle, *text_position_svg)
         classes = self.get_attribute_classes(text_obj)
         classes_str = " ".join(classes)
 
@@ -687,7 +686,13 @@ class SvgWriter:
                 # if there is a symbol with template text fields
                 # then we just populate it's fields with the data from text literals
                 if template_text_fields:
-                    symbol_xml.attrib["transform"] = f"translate({', '.join(map(str, text_position_svg))})"
+                    # NOTE: for now we assume that scale is uniform
+                    symbol_transform = (
+                        f"translate({', '.join(map(str, text_position_svg))})"
+                        f" rotate({angle})"
+                        f" scale({text_obj.scale.x})"
+                    )
+                    symbol_xml.attrib["transform"] = symbol_transform
                     symbol_xml.attrib.pop("id")
                     # note: zip makes sure that we iterate over the shortest list
                     for field, text_literal in zip(template_text_fields, text_literals):
@@ -699,6 +704,7 @@ class SvgWriter:
             if not symbol_svg or not template_text_fields:
                 self.svg.add(self.svg.use(f"#{symbol}", insert=text_position_svg))
 
+        transform = "rotate({}, {}, {})".format(angle, *text_position_svg)
         for text_literal in text_literals:
             # after pretty indentation some redundant spaces can occur in svg tags
             # this is why we apply "font-size: 0;" to the text tag to remove those spaces
@@ -732,7 +738,6 @@ class SvgWriter:
                 add_text_tag(True)
             add_text_tag(False)
 
-
     def draw_break_annotations(self, obj):
         x_offset = self.raw_width / 2
         y_offset = self.raw_height / 2

src/blenderbim/blenderbim/bim/module/geometry/helper.py

@@ -38,7 +38,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
-        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
 
         bm.faces.ensure_lookup_table()
         face = None
@@ -62,7 +62,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
-        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
 
         bm.faces.ensure_lookup_table()
         potential_faces = []
@@ -90,7 +90,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
-        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
 
         bm.faces.ensure_lookup_table()
         potential_faces = []
@@ -292,7 +292,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
-        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
 
         bm.faces.ensure_lookup_table()
         potential_faces = []
@@ -389,7 +389,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
-        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
 
         bm.faces.ensure_lookup_table()
         faces = bm.faces

src/blenderbim/blenderbim/bim/module/geometry/operator.py

@@ -720,6 +720,11 @@ class OverrideModeSetEdit(bpy.types.Operator):
 
         if context.active_object:
             context.active_object.select_set(True)
+
+            element = tool.Ifc.get_entity(context.active_object)
+            if element.is_a("IfcRelSpaceBoundary"):
+                return bpy.ops.bim.enable_editing_boundary_geometry()
+
         for obj in objs:
             if not obj:
                 continue
@@ -834,6 +839,11 @@ class OverrideModeSetObject(bpy.types.Operator):
         if not tool.Ifc.get():
             return {"FINISHED"}
 
+        if context.active_object:
+            element = tool.Ifc.get_entity(context.active_object)
+            if element.is_a("IfcRelSpaceBoundary"):
+                return bpy.ops.bim.edit_boundary_geometry()
+
         objs = context.selected_objects or [context.active_object]
 
         self.edited_objs = []

src/blenderbim/blenderbim/bim/module/ifcgit/operator.py

@@ -88,7 +88,7 @@ class CommitChanges(bpy.types.Operator):
             repo
             and repo.head.is_detached
             and (
-                not tool.is_valid_ref_format(props.new_branch_name)
+                not tool.IfcGit.is_valid_ref_format(props.new_branch_name)
                 or props.new_branch_name in [branch.name for branch in repo.branches]
             )
         ):

src/blenderbim/blenderbim/bim/module/model/__init__.py

@@ -96,6 +96,7 @@ classes = (
     slab.ResetVertex,
     slab.SetArcIndex,
     space.GenerateSpace,
+    space.GenerateSpacesFromWalls,
     prop.BIMModelProperties,
     prop.BIMArrayProperties,
     prop.BIMStairProperties,

src/blenderbim/blenderbim/bim/module/model/data.py

@@ -59,6 +59,7 @@ class AuthoringData:
         cls.data["type_thumbnail"] = cls.type_thumbnail()
         cls.data["is_voidable_element"] = cls.is_voidable_element()
         cls.data["has_visible_openings"] = cls.has_visible_openings()
+        cls.data["has_visible_boundaries"] = cls.has_visible_boundaries()
         cls.data["active_class"] = cls.active_class()
         cls.data["active_material_usage"] = cls.active_material_usage()
         cls.data["active_representation_type"] = cls.active_representation_type()
@@ -69,7 +70,10 @@ class AuthoringData:
         declarations = ifcopenshell.util.schema.get_subtypes(declaration)
         names = [d.name() for d in declarations]
 
-        declaration = tool.Ifc.schema().declaration_by_name("IfcSpatialElementType")
+        if tool.Ifc.get_schema() == "IFC2X3":
+            declaration = tool.Ifc.schema().declaration_by_name("IfcSpatialStructureElementType")
+        else:
+            declaration = tool.Ifc.schema().declaration_by_name("IfcSpatialElementType")
         declarations = ifcopenshell.util.schema.get_subtypes(declaration)
         names.extend([d.name() for d in declarations])
 
@@ -161,6 +165,17 @@ class AuthoringData:
                     return True
         return False
 
+    @classmethod
+    def has_visible_boundaries(cls):
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        if element:
+            if element.is_a("IfcRelSpaceBoundary"):
+                return True
+            for boundary in getattr(element, "BoundedBy", []):
+                if tool.Ifc.get_object(boundary):
+                    return True
+        return False
+
     @classmethod
     def active_class(cls):
         element = tool.Ifc.get_entity(bpy.context.active_object)
@@ -177,7 +192,7 @@ class AuthoringData:
     def active_representation_type(cls):
         if bpy.context.active_object:
             representation = tool.Geometry.get_active_representation(bpy.context.active_object)
-            if representation:
+            if representation and representation.is_a("IfcShapeRepresentation"):
                 return representation.RepresentationType
 
     @classmethod

src/blenderbim/blenderbim/bim/module/model/decorator.py

@@ -82,14 +82,14 @@ class ProfileDecorator:
         bmesh.ops.triangulate(traingulated_bm, faces=traingulated_bm.faces)
 
         face_indices = [[v.index for v in f.verts] for f in traingulated_bm.faces]
-        faces_color = transparent_color(self.model_props.decorator_color_special)
+        faces_color = transparent_color(self.addon_prefs.decorator_color_special)
         self.draw_batch("TRIS", vertices_coords, faces_color, face_indices)
 
     def __call__(self, context, get_custom_bmesh=None, draw_faces=False, exit_edit_mode_callback=None):
-        self.model_props = context.scene.BIMModelProperties
-        selected_elements_color = self.model_props.decorator_color_selected
-        unselected_elements_color = self.model_props.decorator_color_unselected
-        special_elements_color = self.model_props.decorator_color_special
+        self.addon_prefs = context.preferences.addons["blenderbim"].preferences
+        selected_elements_color = self.addon_prefs.decorator_color_selected
+        unselected_elements_color = self.addon_prefs.decorator_color_unselected
+        special_elements_color = self.addon_prefs.decorator_color_special
 
         obj = context.active_object
 
@@ -214,8 +214,8 @@ class ProfileDecorator:
 
         self.draw_batch("POINTS", unselected_vertices, transparent_color(unselected_elements_color, 0.5))
         self.draw_batch("POINTS", error_vertices, ERROR_ELEMENTS_COLOR)
-        self.draw_batch("POINTS", special_vertices, self.model_props.decorator_color_special)
-        self.draw_batch("POINTS", selected_vertices, self.model_props.decorator_color_selected)
+        self.draw_batch("POINTS", special_vertices, special_elements_color)
+        self.draw_batch("POINTS", selected_vertices, selected_elements_color)
 
         # Draw arcs
         arc_centroids = []

src/blenderbim/blenderbim/bim/module/model/opening.py

@@ -657,7 +657,7 @@ class ShowOpenings(Operator, tool.Ifc.Operator):
         props = bpy.context.scene.BIMModelProperties
         for obj in context.selected_objects:
             element = tool.Ifc.get_entity(obj)
-            if not element:
+            if not element or not getattr(element, "HasOpenings", None):
                 continue
             if tool.Ifc.is_moved(obj):
                 blenderbim.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
@@ -682,7 +682,6 @@ class HideOpenings(Operator, tool.Ifc.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
-        props = bpy.context.scene.BIMModelProperties
         to_delete = set()
         for obj in context.selected_objects:
             element = tool.Ifc.get_entity(obj)
@@ -694,7 +693,7 @@ class HideOpenings(Operator, tool.Ifc.Operator):
                 if opening_obj:
                     to_delete.add(opening_obj)
         for opening_obj in to_delete:
-            tool.Ifc.unlink(element=opening, obj=opening_obj)
+            tool.Ifc.unlink(obj=opening_obj)
             bpy.data.objects.remove(opening_obj)
         tool.Model.clear_scene_openings()
         return {"FINISHED"}
@@ -793,10 +792,10 @@ class DecorationsHandler:
         batch.draw(shader)
 
     def __call__(self, context):
-        self.model_props = context.scene.BIMModelProperties
-        selected_elements_color = self.model_props.decorator_color_selected
-        unselected_elements_color = self.model_props.decorator_color_unselected
-        special_elements_color = self.model_props.decorator_color_special
+        self.addon_prefs = context.preferences.addons["blenderbim"].preferences
+        selected_elements_color = self.addon_prefs.decorator_color_selected
+        unselected_elements_color = self.addon_prefs.decorator_color_unselected
+        special_elements_color = self.addon_prefs.decorator_color_special
 
         def transparent_color(color, alpha=0.1):
             color = [i for i in color]

src/blenderbim/blenderbim/bim/module/model/profile.py

@@ -54,7 +54,7 @@ class DumbProfileGenerator:
         props = bpy.context.scene.BIMModelProperties
         self.collection = bpy.context.view_layer.active_layer_collection.collection
         self.collection_obj = bpy.data.objects.get(self.collection.name)
-        self.depth = props.extrusion_depth * self.unit_scale
+        self.depth = props.extrusion_depth
         self.rotation = 0
         self.location = Vector((0, 0, 0))
         self.cardinal_point = int(bpy.context.scene.BIMModelProperties.cardinal_point)

src/blenderbim/blenderbim/bim/module/model/prop.py

@@ -141,33 +141,6 @@ class BIMModelProperties(PropertyGroup):
     type_class: bpy.props.EnumProperty(items=get_type_class, name="IFC Class", update=update_type_class)
     type_predefined_type: bpy.props.EnumProperty(items=get_type_predefined_type, name="Predefined Type", default=None)
     type_name: bpy.props.StringProperty(name="Name", default="TYPEX")
-    decorator_color_selected: bpy.props.FloatVectorProperty(
-        name="Selected Elements Color",
-        subtype="COLOR",
-        default=(0.545, 0.863, 0, 1),  # green
-        min=0.0,
-        max=1.0,
-        size=4,
-        description="Color of selected verts/edges (used in profile editing mode)",
-    )
-    decorator_color_unselected: bpy.props.FloatVectorProperty(
-        name="Not Selected Elements Color",
-        subtype="COLOR",
-        default=(1, 1, 1, 1),  # green
-        min=0.0,
-        max=1.0,
-        size=4,
-        description="Color of not selected verts/edges (used in profile editing mode)",
-    )
-    decorator_color_special: bpy.props.FloatVectorProperty(
-        name="Special Elements Color",
-        subtype="COLOR",
-        default=(0.157, 0.565, 1, 1),  # blue
-        min=0.0,
-        max=1.0,
-        size=4,
-        description="Color of special selected verts/edges (openings, preview verts/edges in roof editing, verts with arcs/circles in profile editing)",
-    )
 
 
 class BIMArrayProperties(PropertyGroup):
@@ -499,12 +472,12 @@ class BIMRailingProperties(PropertyGroup):
         ("WALL_MOUNTED_HANDRAIL", "WALL_MOUNTED_HANDRAIL", ""),
     )
     cap_types = (
-        ("none", "none", ""),
+        ("TO_END_POST_AND_FLOOR", "TO_END_POST_AND_FLOOR", ""),
+        ("TO_END_POST", "TO_END_POST", ""),
+        ("TO_FLOOR", "TO_FLOOR", ""),
+        ("TO_WALL", "TO_WALL", ""),
         ("180", "180", ""),
-        ("to_wall", "to_wall", ""),
-        ("to_floor", "to_floor", ""),
-        ("to_end_post", "to_end_post", ""),
-        ("to_end_post_and_floor", "to_end_post_and_floor", ""),
+        ("NONE", "NONE", ""),
     )
 
     railing_added_previously: bpy.props.BoolProperty(default=False)

src/blenderbim/blenderbim/bim/module/model/roof.py

@@ -47,6 +47,10 @@ def float_is_zero(f):
 
 
 def bm_mesh_clean_up(bm):
+    # leave only object's footprint
+    min_z = min([v.co.z for v in bm.verts])
+    bmesh.ops.delete(bm, geom=[v for v in bm.verts if not float_is_zero(v.co.z - min_z)], context="VERTS")
+
     # remove internal edges and faces
     # adding missing faces so we could rely on `e.is_boundary` later
     bmesh.ops.contextual_create(bm, geom=bm.edges[:])

src/blenderbim/blenderbim/bim/module/model/space.py

@@ -26,12 +26,20 @@ import blenderbim.tool as tool
 import blenderbim.core.type
 from math import pi
 from mathutils import Vector, Matrix
+from shapely import Polygon
 
 
 class GenerateSpace(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.generate_space"
     bl_label = "Generate Space"
     bl_options = {"REGISTER"}
+    bl_description = "Create a space from the cursor position. Move the cursor position into the desired position, select the right space collection and run the operator"
+
+    @classmethod
+    def poll(cls, context):
+        collection = context.view_layer.active_layer_collection.collection
+        collection_obj = bpy.data.objects.get(collection.name)
+        return tool.Ifc.get_entity(collection_obj)
 
     def _execute(self, context):
         # This only works based on a 2D plan only considering the standard
@@ -166,3 +174,157 @@ class GenerateSpace(bpy.types.Operator, tool.Ifc.Operator):
                 (obj.matrix_world @ Vector((max_x, max_y, 0.0))).to_2d(),
             ],
         }
+
+
+class GenerateSpacesFromWalls(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.generate_spaces_from_walls"
+    bl_label = "Generate Spaces From Walls"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Generate spaces from selected walls. The active object must be a wall."
+
+    @classmethod
+    def poll(cls, context):
+        active_obj = bpy.context.active_object
+        element = tool.Ifc.get_entity(active_obj)
+        return context.selected_objects and element.is_a("IfcWall")
+
+    def _execute(self, context):
+        # This only works based on a 2D plan only considering the standard
+        # walls (i.e. prismatic) in the active object storey.
+        # In order to run, the active objct must be a wall and
+        # have to be selected walls
+        props = context.scene.BIMModelProperties
+        active_obj = bpy.context.active_object
+
+        if not active_obj:
+            self.report({'ERROR'}, "No active object. Please select a wall")
+            return
+
+        element = None
+        element = tool.Ifc.get_entity(active_obj)
+        if not element.is_a("IfcWall"):
+            self.report({'ERROR'}, "The active object is not a wall. Please select a wall.")
+            return
+
+        collection = active_obj.users_collection[0]
+        collection_obj = bpy.data.objects.get(collection.name)
+        if not collection_obj:
+            self.report({'ERROR'}, "No collection found. Please insert one.")
+            return
+
+        spatial_element = tool.Ifc.get_entity(collection_obj)
+        if not spatial_element:
+            self.report({'ERROR'}, "The collection hasn't an ifc space entity. Please provide one.")
+            return
+
+        if not bpy.context.selected_objects:
+            self.report({'ERROR'}, "No selected objects found. Please select walls.")
+            return
+
+        x, y, z = active_obj.matrix_world.translation.xyz
+        mat = active_obj.matrix_world
+        h = active_obj.dimensions.z
+        selected_objects = bpy.context.selected_objects
+
+        boundary_elements = self.get_boundary_elements(selected_objects)
+
+        polys = self.get_polygons(boundary_elements)
+
+        converted_tolerance = self.get_converted_tolerance(tolerance = 0.03)
+
+        union = shapely.ops.unary_union(polys).buffer(converted_tolerance, cap_style = 2, join_style = 2)
+
+        i=0
+        for linear_ring in union.interiors:
+            poly = Polygon(linear_ring)
+            poly = poly.buffer(converted_tolerance, single_sided=True, cap_style = 2, join_style = 2)
+
+            bm = self.get_bmesh_from_polygon(poly, mat, h)
+
+            name = "Space" + str(i)
+            mesh = bpy.data.meshes.new(name = name)
+            bm.to_mesh(mesh)
+            bm.free()
+
+            obj = bpy.data.objects.new(name, mesh)
+            obj.matrix_world = mat
+            collection.objects.link(obj)
+
+            bpy.ops.bim.assign_class(obj=obj.name, ifc_class="IfcSpace")
+            i+=1
+
+        return {"FINISHED"}
+
+
+    def get_boundary_elements(self, selected_objects):
+        boundary_elements = []
+        for obj in selected_objects:
+            subelement = tool.Ifc.get_entity(obj)
+            if subelement.is_a("IfcWall"):
+                boundary_elements.append(subelement)
+        return boundary_elements
+
+    def get_polygons(self, boundary_elements):
+        polys = []
+        for boundary_element in boundary_elements:
+            obj = tool.Ifc.get_object(boundary_element)
+            if not obj:
+                continue
+            points = []
+            base = self.get_obj_base_points(obj)
+            for index in ["low_left", "low_right", "high_right", "high_left"]:
+                point = base[index]
+                points.append(point)
+
+            polys.append(Polygon(points))
+        return polys
+
+    def get_obj_base_points(self, obj):
+        x_values = [(obj.matrix_world @ Vector(v)).x for v in obj.bound_box]
+        y_values = [(obj.matrix_world @ Vector(v)).y for v in obj.bound_box]
+        return {
+            "low_left": (x_values[0], y_values[0]),
+            "high_left": (x_values[3], y_values[3]),
+            "low_right": (x_values[4], y_values[4]),
+            "high_right": (x_values[7], y_values[7]),
+        }
+
+    def get_converted_tolerance(self, tolerance):
+        model = tool.Ifc.get()
+        project_unit = ifcopenshell.util.unit.get_project_unit(model, "LENGTHUNIT")
+        prefix=getattr(project_unit, "Prefix", None)
+
+        converted_tolerance = ifcopenshell.util.unit.convert(
+                                                        value = tolerance,
+                                                        from_prefix = None,
+                                                        from_unit = "METRE",
+                                                        to_prefix = prefix,
+                                                        to_unit = project_unit.Name,
+                                                        )
+        return tolerance
+
+    def get_bmesh_from_polygon(self, poly, mat, h):
+        bm = bmesh.new()
+        bm.verts.index_update()
+        bm.edges.index_update()
+
+        mat_invert = mat.inverted()
+
+        new_verts = [bm.verts.new(mat_invert @ Vector([v[0], v[1], 0])) for v in poly.exterior.coords[0:-1]]
+        [bm.edges.new((new_verts[i], new_verts[i + 1])) for i in range(len(new_verts) - 1)]
+        bm.edges.new((new_verts[len(new_verts) - 1], new_verts[0]))
+
+        bm.verts.index_update()
+        bm.edges.index_update()
+
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=1e-5)
+        bmesh.ops.triangle_fill(bm, edges=bm.edges)
+        bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 5, verts=bm.verts, edges=bm.edges)
+
+        extrusion = bmesh.ops.extrude_face_region(bm, geom=bm.faces)
+        extruded_verts = [g for g in extrusion["geom"] if isinstance(g, bmesh.types.BMVert)]
+        bmesh.ops.translate(bm, vec=[0.0, 0.0, h], verts=extruded_verts)
+
+        bmesh.ops.recalc_face_normals(bm, faces = bm.faces)
+
+        return bm

src/blenderbim/blenderbim/bim/module/model/ui.py

@@ -135,6 +135,10 @@ class BIM_PT_authoring(Panel):
         row.operator("bim.align_wall", icon="ANCHOR_TOP", text="Ext.").align_type = "EXTERIOR"
         row.operator("bim.align_wall", icon="ANCHOR_CENTER", text="C/L").align_type = "CENTERLINE"
         row.operator("bim.align_wall", icon="ANCHOR_BOTTOM", text="Int.").align_type = "INTERIOR"
+        row = self.layout.row(align=True)
+        row.operator("bim.generate_space")
+        row = self.layout.row(align=True)
+        row.operator("bim.generate_spaces_from_walls")
 
 
 class BIM_PT_array(bpy.types.Panel):

src/blenderbim/blenderbim/bim/module/model/wall.py

@@ -436,8 +436,8 @@ class DumbWallGenerator:
         self.collection = bpy.context.view_layer.active_layer_collection.collection
         self.collection_obj = bpy.data.objects.get(self.collection.name)
         self.width = self.layers["thickness"]
-        self.height = props.extrusion_depth * self.unit_scale
-        self.length = props.length * self.unit_scale
+        self.height = props.extrusion_depth
+        self.length = props.length
         self.rotation = 0.0
         self.location = Vector((0, 0, 0))
         self.x_angle = 0 if tool.Cad.is_x(props.x_angle, 0, tolerance=0.001) else radians(props.x_angle)

src/blenderbim/blenderbim/bim/module/model/workspace.py

@@ -57,6 +57,7 @@ class BimTool(WorkSpaceTool):
         ("bim.hotkey", {"type": "V", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_V")]}),
         ("bim.hotkey", {"type": "X", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_X")]}),
         ("bim.hotkey", {"type": "Y", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_Y")]}),
+        ("bim.hotkey", {"type": "B", "value": "PRESS", "alt": True}, {"properties": [("hotkey", "A_B")]}),
         ("bim.hotkey", {"type": "D", "value": "PRESS", "alt": True}, {"properties": [("hotkey", "A_D")]}),
         ("bim.hotkey", {"type": "E", "value": "PRESS", "alt": True}, {"properties": [("hotkey", "A_E")]}),
         ("bim.hotkey", {"type": "O", "value": "PRESS", "alt": True}, {"properties": [("hotkey", "A_O")]}),
@@ -274,11 +275,9 @@ class BimToolUI:
         add_layout_hotkey_operator(cls.layout, "Mirror", "S_M", bpy.ops.bim.mirror_elements.__doc__)
 
         cls.layout.row(align=True).label(text="Mode")
-        add_layout_hotkey_operator(cls.layout, "Void", "A_O", "Show / edit openings")
-        row = cls.layout.row(align=True)
-        row.label(text="", icon="EVENT_ALT")
-        row.label(text="", icon="EVENT_D")
-        row.operator("bim.hotkey", text="Decomposition").hotkey = "A_D"
+        add_layout_hotkey_operator(cls.layout, "Void", "A_O", "Toggle openings")
+        add_layout_hotkey_operator(cls.layout, "Decomposition", "A_D", "Select decomposition")
+        add_layout_hotkey_operator(cls.layout, "Boundaries", "A_B", "Toggle boundaries")
 
     @classmethod
     def draw_header_interface(cls):
@@ -581,6 +580,14 @@ class Hotkey(bpy.types.Operator, tool.Ifc.Operator):
             self.props.y = self.y
             self.props.z = self.z
 
+    def hotkey_A_B(self):
+        if not bpy.context.selected_objects:
+            return
+        if AuthoringData.data["has_visible_boundaries"]:
+            bpy.ops.bim.hide_boundaries()
+        else:
+            bpy.ops.bim.show_boundaries()
+
     def hotkey_A_D(self):
         if not bpy.context.selected_objects:
             return

src/blenderbim/blenderbim/bim/module/profile/operator.py

@@ -136,6 +136,7 @@ class EnableEditingArbitraryProfile(bpy.types.Operator, tool.Ifc.Operator):
         props = context.scene.BIMProfileProperties
         profile = tool.Ifc.get().by_id(props.active_profile_id)
         obj = tool.Model.import_profile(profile)
+        tool.Ifc.link(profile, obj)
         bpy.context.scene.collection.objects.link(obj)
         bpy.context.view_layer.objects.active = obj
         bpy.ops.object.mode_set(mode="EDIT")

src/blenderbim/blenderbim/bim/module/resource/__init__.py

@@ -49,9 +49,12 @@ classes = (
     operator.DisableEditingResourceCostValue,
     operator.CalculateResourceWork,
     operator.ImportResources,
+    operator.EditProductivityData,
     prop.Resource,
     prop.BIMResourceProperties,
     prop.BIMResourceTreeProperties,
+    prop.ISODuration,
+    prop.BIMResourceProductivity,
     ui.BIM_PT_resources,
     ui.BIM_UL_resources,
 )
@@ -60,8 +63,10 @@ classes = (
 def register():
     bpy.types.Scene.BIMResourceProperties = bpy.props.PointerProperty(type=prop.BIMResourceProperties)
     bpy.types.Scene.BIMResourceTreeProperties = bpy.props.PointerProperty(type=prop.BIMResourceTreeProperties)
+    bpy.types.Scene.BIMResourceProductivity = bpy.props.PointerProperty(type=prop.BIMResourceProductivity)
 
 
 def unregister():
     del bpy.types.Scene.BIMResourceProperties
     del bpy.types.Scene.BIMResourceTreeProperties
+    del bpy.types.Scene.BIMResourceProductivity

src/blenderbim/blenderbim/bim/module/resource/data.py

@@ -52,9 +52,25 @@ class ResourceData:
             if resource.BaseQuantity:
                 base_quantity = resource.BaseQuantity.get_info()
                 del base_quantity["Unit"]
-            results[resource.id()] = {"type": resource.is_a(), "BaseQuantity": base_quantity}
+            results[resource.id()] = {
+                "type": resource.is_a(),
+                "BaseQuantity": base_quantity,
+            }
+            if resource.is_a() in ["IfcLaborResource", "IfcConstructionEquipmentResource"]:
+                results[resource.id()]["Productivity"] = {}
+                productivity = cls.get_productivity(resource)
+                if productivity:
+                    results[resource.id()]["Productivity"] = {
+                        "QuantityProduced": ifcopenshell.util.resource.get_quantity_produced(productivity),
+                        "TimeConsumed": ifcopenshell.util.resource.get_unit_consumed(productivity),
+                        "QuantityProducedName": ifcopenshell.util.resource.get_quantity_produced_name(productivity),
+                    }
         return results
 
+    @classmethod
+    def get_productivity(cls, resource):
+        return ifcopenshell.util.resource.get_productivity(resource, should_inherit=False)
+
     @classmethod
     def cost_values(cls):
         results = []

src/blenderbim/blenderbim/bim/module/resource/operator.py

@@ -346,3 +346,13 @@ class ImportResources(bpy.types.Operator, tool.Ifc.Operator, ImportHelper):
 
     def _execute(self, context):
         core.import_resources(tool.Resource, file_path=self.filepath)
+
+
+class EditProductivityData(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.edit_productivity_data"
+    bl_description = "Apply"
+    bl_label = "Edit Productivity"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        core.edit_productivity_pset(tool.Ifc, tool.Resource)

src/blenderbim/blenderbim/bim/module/resource/prop.py

@@ -18,7 +18,9 @@
 
 import bpy
 import ifcopenshell.api
+import ifcopenshell.util.resource
 from blenderbim.bim.ifc import IfcStore
+import blenderbim.tool as tool
 import blenderbim.bim.module.pset.data
 from blenderbim.bim.prop import StrProperty, Attribute
 from bpy.types import PropertyGroup
@@ -71,6 +73,18 @@ def get_quantity_types(self, context):
 
 def update_active_resource_index(self, context):
     blenderbim.bim.module.pset.data.refresh()
+    if self.should_show_productivity:
+        tool.Resource.load_productivity_data()
+
+
+class ISODuration(PropertyGroup):
+    name: StringProperty(name="Name")
+    years: IntProperty(name="Years", default=0)
+    months: IntProperty(name="Months", default=0)
+    days: IntProperty(name="Days", default=0)
+    hours: IntProperty(name="Hours", default=0)
+    minutes: IntProperty(name="Minutes", default=0)
+    seconds: IntProperty(name="Seconds", default=0)
 
 
 class Resource(PropertyGroup):
@@ -113,3 +127,11 @@ class BIMResourceProperties(PropertyGroup):
     quantity_types: EnumProperty(items=get_quantity_types, name="Quantity Types")
     is_editing_quantity: BoolProperty(name="Is Editing Quantity")
     quantity_attributes: CollectionProperty(name="Quantity Attributes", type=Attribute)
+    should_show_productivity: BoolProperty(name="Edit Productivity", update=update_active_resource_index)
+
+
+class BIMResourceProductivity(PropertyGroup):
+    ifc_definition_id: IntProperty(name="IFC Definition ID")
+    quantity_consumed: CollectionProperty(name="Duration", type=ISODuration)
+    quantity_produced: FloatProperty(name="Quantity Produced")
+    quantity_produced_name: StringProperty(name="Quantity Produced Name")

src/blenderbim/blenderbim/bim/module/resource/ui.py

@@ -65,7 +65,11 @@ class BIM_PT_resources(Panel):
             self.props,
             "active_resource_index",
         )
-
+        row = self.layout.row(align=True)
+        row.alignment = "RIGHT"
+        row.prop(self.props, "should_show_productivity", icon="RECOVER_LAST")
+        if self.props.should_show_productivity:
+            self.draw_productivity_ui(context)
         if self.props.active_resource_id and self.props.editing_resource_type == "ATTRIBUTES":
             self.draw_editable_resource_attributes_ui()
         elif self.props.active_resource_id and self.props.editing_resource_type == "QUANTITY":
@@ -75,6 +79,45 @@ class BIM_PT_resources(Panel):
         elif self.props.active_resource_id and self.props.editing_resource_type == "USAGE":
             self.draw_editable_resource_time_attributes_ui()
 
+    def draw_productivity_ui(self, context):
+        total_resources = len(self.tprops.resources)
+        if not total_resources or self.props.active_resource_index >= total_resources:
+            return
+
+        ifc_definition_id = self.tprops.resources[self.props.active_resource_index].ifc_definition_id
+        resource = ResourceData.data["resources"][ifc_definition_id]
+
+        if not resource["type"] in ["IfcConstructionEquipmentResource", "IfcLaborResource"]:
+            row = self.layout.row(align=True)
+            row.label(text="Resource type cannot have productivity data", icon="ERROR")
+            return
+
+        self.productivity_props = context.scene.BIMResourceProductivity
+
+        if resource["Productivity"]:
+            produtivitiy_rate_message = "Current Rate: {}/{}".format(
+                resource["Productivity"]["QuantityProduced"], resource["Productivity"]["TimeConsumed"]
+            )
+            row = self.layout.row()
+            row.alignment = "LEFT"
+            row.label(text=produtivitiy_rate_message, icon="ARMATURE_DATA")
+        else:
+            row = self.layout.row(align=True)
+            row.alignment = "LEFT"
+            produtivitiy_rate_message = "No productivity data found"
+            row.label(text=produtivitiy_rate_message, icon="ARMATURE_DATA")
+
+        row = self.layout.row(align=True)
+        row.alignment = "RIGHT"
+        row.prop(self.productivity_props, "quantity_produced", text="Quantity Produced")
+        row.prop(self.productivity_props, "quantity_produced_name", text="Quantity Name")
+        row = self.layout.row()
+        row.alignment = "RIGHT"
+        self.draw_duration_property(self.productivity_props.quantity_consumed, row)
+        row = self.layout.row()
+        row.alignment = "RIGHT"
+        row.operator("bim.edit_productivity_data", text="Apply", icon="CHECKMARK")
+
     def draw_resource_operators(self):
         row = self.layout.row(align=True)
         op = row.operator("bim.add_resource", text="Add SubContract", icon="TEXT")
@@ -111,8 +154,9 @@ class BIM_PT_resources(Panel):
 
         if not self.props.active_resource_id:
             if resource["type"] in ["IfcLaborResource", "IfcConstructionEquipmentResource"]:
-                op = row.operator("bim.calculate_resource_work", text="", icon="TEMP")
-                op.resource = ifc_definition_id
+                if resource["Productivity"]:
+                    op = row.operator("bim.calculate_resource_work", text="", icon="TEMP")
+                    op.resource = ifc_definition_id
                 row.operator("bim.enable_editing_resource_time", text="", icon="TIME").resource = ifc_definition_id
             op = row.operator("bim.enable_editing_resource_base_quantity", text="", icon="PROPERTIES")
             op.resource = ifc_definition_id
@@ -204,10 +248,20 @@ class BIM_PT_resources(Panel):
             op.parent = parent_id
             op.cost_value = cost_value_id
 
+    def draw_duration_property(self, duration_props, layout):
+        for duration_prop in duration_props:
+            if duration_prop.name == "BaseQuantityConsumed":
+                layout.label(text=duration_prop.name)
+                layout.prop(duration_prop, "years", text="Y")
+                layout.prop(duration_prop, "months", text="M")
+                layout.prop(duration_prop, "days", text="D")
+                layout.prop(duration_prop, "hours", text="H")
+                layout.prop(duration_prop, "minutes", text="Min")
+                layout.prop(duration_prop, "seconds", text="S")
+
 
 class BIM_UL_resources(UIList):
     def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
-        resource = ResourceData.data["resources"][item.ifc_definition_id]
         icon_map = {
             "IfcSubContractResource": "TEXT",
             "IfcCrewResource": "COMMUNITY",
@@ -217,6 +271,7 @@ class BIM_UL_resources(UIList):
             "IfcConstructionProductResource": "PACKAGE",
         }
         if item:
+            resource = ResourceData.data["resources"][item.ifc_definition_id]
             props = context.scene.BIMResourceProperties
             row = layout.row(align=True)
             for i in range(0, item.level_index):

src/blenderbim/blenderbim/bim/module/sequence/__init__.py

@@ -97,8 +97,11 @@ classes = (
     operator.RemoveWorkPlan,
     operator.RemoveWorkSchedule,
     operator.RemoveWorkTime,
+    operator.ReorderTask,
     operator.SelectTaskRelatedProducts,
     operator.SelectTaskRelatedInputs,
+    operator.SelectWorkScheduleProducts,
+    operator.SelectUnassignedWorkScheduleProducts,
     operator.SetTaskSortColumn,
     operator.SetupDefaultTaskColumns,
     operator.UnassignLagTime,

src/blenderbim/blenderbim/bim/module/sequence/data.py

@@ -19,6 +19,7 @@
 import bpy
 import blenderbim.tool as tool
 import ifcopenshell
+from ifcopenshell.util.doc import get_predefined_type_doc
 
 
 def refresh():
@@ -34,6 +35,7 @@ class SequenceData:
     @classmethod
     def load(cls):
         cls.data = {
+            "predefined_types": cls.get_work_schedule_types(),
             "has_work_plans": cls.has_work_plans(),
             "has_work_schedules": cls.has_work_schedules(),
             "has_work_calendars": cls.has_work_calendars(),
@@ -221,8 +223,27 @@ class SequenceData:
                 if rel.is_a("IfcRelAssignsToControl") and rel.RelatingControl:
                     if rel.RelatingControl.is_a("IfcWorkCalendar"):
                         data["HasAssignmentsWorkCalendar"].append(rel.RelatingControl.id())
+            data["NestingIndex"] = None
+            for rel in task.Nests or []:
+                data["NestingIndex"] = rel.RelatedObjects.index(task)
             cls.data["tasks"][task.id()] = data
 
+    @classmethod
+    def get_work_schedule_types(cls):
+        results = []
+        declaration = tool.Ifc().schema().declaration_by_name("IfcWorkSchedule")
+        version = tool.Ifc.get_schema()
+        for attribute in declaration.attributes():
+            if attribute.name() == "PredefinedType":
+                results.extend(
+                    [
+                        (e, e, get_predefined_type_doc(version, "IfcWorkSchedule", e))
+                        for e in attribute.type_of_attribute().declared_type().enumeration_items()
+                    ]
+                )
+                break
+        return results
+
 
 class WorkPlansData:
     data = {}

src/blenderbim/blenderbim/bim/module/sequence/helper.py

@@ -67,9 +67,11 @@ def parse_duration_as_blender_props(dt, simplify=True):
 
 
 def simplify_duration(durations_attributes, duration_type, prop_name):
-    for item in durations_attributes:
-        if item.name == prop_name:
-            duration_props = item
+    duration_props = None
+    for collection in durations_attributes:
+        if collection.name == prop_name:
+            duration_props = collection
+            break
     if duration_props and not duration_type or duration_type == "ELAPSEDTIME":
         duration_string = "P{}Y{}M{}DT{}H{}M{}S".format(
             duration_props.years if duration_props.years else 0,
@@ -114,11 +116,19 @@ def simplify_duration(durations_attributes, duration_type, prop_name):
         hours, seconds = divmod(seconds_left, 3600)
         minutes, seconds = divmod(seconds, 60)
 
-        return "P{}Y{}M{}DT{}H{}M{}S".format(
-            int(years),
-            int(months),
-            int(days),
-            int(hours),
-            int(minutes),
-            int(seconds),
-        )
+        duration_string = "P"
+        if years > 0:
+            duration_string += "{}Y".format(int(years))
+        if months > 0:
+            duration_string += "{}M".format(int(months))
+        if total_days > 0:
+            duration_string += "{}D".format(int(total_days))
+        if hours > 0 or minutes > 0 or seconds > 0:
+            duration_string += "T"
+            if hours > 0:
+                duration_string += "{}H".format(int(hours))
+            if minutes > 0:
+                duration_string += "{}M".format(int(minutes))
+            if seconds > 0:
+                duration_string += "{}S".format(int(seconds))
+        return duration_string

src/blenderbim/blenderbim/bim/module/sequence/operator.py

@@ -275,13 +275,13 @@ class EditTaskTime(bpy.types.Operator, tool.Ifc.Operator):
 
 
 class EnableEditingTask(bpy.types.Operator):
-    bl_idname = "bim.enable_editing_task"
-    bl_label = "Enable Editing Task"
+    bl_idname = "bim.enable_editing_task_attributes"
+    bl_label = "Enable Editing Task Attributes"
     bl_options = {"REGISTER", "UNDO"}
     task: bpy.props.IntProperty()
 
     def execute(self, context):
-        core.enable_editing_task(tool.Sequence, task=tool.Ifc.get().by_id(self.task))
+        core.enable_editing_task_attributes(tool.Sequence, task=tool.Ifc.get().by_id(self.task))
         return {"FINISHED"}
 
 
@@ -1295,7 +1295,7 @@ class CopyTask(bpy.types.Operator, tool.Ifc.Operator):
 
 
 class LoadProductTasks(bpy.types.Operator):
-    bl_idname = "bim.load_product_tasks"
+    bl_idname = "bim.load_product_related_tasks"
     bl_label = "Load Product Tasks"
     bl_options = {"REGISTER", "UNDO"}
 
@@ -1310,7 +1310,7 @@ class LoadProductTasks(bpy.types.Operator):
         return True
 
     def execute(self, context):
-        core.load_product_tasks(
+        core.load_product_related_tasks(
             tool.Sequence, product=tool.Ifc.get().by_id(context.active_object.BIMObjectProperties.ifc_definition_id)
         )
         return {"FINISHED"}
@@ -1327,3 +1327,46 @@ class HighlightTask(bpy.types.Operator):
         if isinstance(r, str):
             self.report({"WARNING"}, r)
         return {"FINISHED"}
+
+
+class SelectWorkScheduleProducts(bpy.types.Operator):
+    bl_idname = "bim.select_work_schedule_products"
+    bl_label = "Select Work Schedule Products"
+    bl_options = {"REGISTER", "UNDO"}
+    work_schedule: bpy.props.IntProperty()
+
+    def execute(self, context):
+        r = core.select_work_schedule_products(
+            tool.Sequence, tool.Spatial, work_schedule=tool.Ifc.get().by_id(self.work_schedule)
+        )
+        if isinstance(r, str):
+            self.report({"WARNING"}, r)
+        return {"FINISHED"}
+
+
+class SelectUnassignedWorkScheduleProducts(bpy.types.Operator):
+    bl_idname = "bim.select_unassigned_work_schedule_products"
+    bl_label = "Select Unassigned Work Schedule Products"
+    bl_options = {"REGISTER", "UNDO"}
+    work_schedule: bpy.props.IntProperty()
+
+    def execute(self, context):
+        r = core.select_unassigned_work_schedule_products(tool.Ifc, tool.Sequence, tool.Spatial)
+        if isinstance(r, str):
+            self.report({"WARNING"}, r)
+        return {"FINISHED"}
+
+
+class ReorderTask(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.reorder_task_nesting"
+    bl_label = "Reorder Nesting"
+    bl_options = {"REGISTER", "UNDO"}
+    new_index: bpy.props.IntProperty()
+    task: bpy.props.IntProperty()
+
+    def _execute(self, context):
+        r = core.reorder_task_nesting(
+            tool.Ifc, tool.Sequence, task=tool.Ifc.get().by_id(self.task), new_index=self.new_index
+        )
+        if isinstance(r, str):
+            self.report({"WARNING"}, r)

src/blenderbim/blenderbim/bim/module/sequence/prop.py

@@ -20,6 +20,8 @@ import bpy
 import isodate
 import ifcopenshell.api
 import ifcopenshell.util.attribute
+import blenderbim.tool as tool
+import blenderbim.core.sequence as core
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.sequence.data import SequenceData
 import blenderbim.bim.module.pset.data
@@ -37,7 +39,6 @@ from bpy.props import (
     CollectionProperty,
 )
 
-
 taskcolumns_enum = []
 tasktimecolumns_enum = []
 
@@ -108,7 +109,7 @@ def updateTaskName(self, context):
     props = context.scene.BIMWorkScheduleProperties
     if not props.is_task_update_enabled or self.name == "Unnamed":
         return
-    self.file = IfcStore.get_file()
+    self.file = tool.Ifc.get()
     ifcopenshell.api.run(
         "sequence.edit_task",
         self.file,
@@ -124,7 +125,7 @@ def updateTaskIdentification(self, context):
     props = context.scene.BIMWorkScheduleProperties
     if not props.is_task_update_enabled or self.identification == "XXX":
         return
-    self.file = IfcStore.get_file()
+    self.file = tool.Ifc.get()
     ifcopenshell.api.run(
         "sequence.edit_task",
         self.file,
@@ -160,7 +161,7 @@ def updateTaskTimeDateTime(self, context, startfinish):
     if startfinish_value == "-":
         return
 
-    self.file = IfcStore.get_file()
+    self.file = tool.Ifc.get()
 
     try:
         startfinish_datetime = parser.isoparse(startfinish_value)
@@ -208,7 +209,7 @@ def updateTaskDuration(self, context):
         self.duration = "-"
         return
 
-    self.file = IfcStore.get_file()
+    self.file = tool.Ifc.get()
     task = self.file.by_id(self.ifc_definition_id)
     if task.TaskTime:
         task_time = task.TaskTime
@@ -228,6 +229,12 @@ def updateTaskDuration(self, context):
     bpy.ops.bim.load_task_properties()
 
 
+def get_schedule_predefined_types(self, context):
+    if not SequenceData.is_loaded:
+        SequenceData.load()
+    return SequenceData.data["predefined_types"]
+
+
 def update_visualisation_start(self, context):
     update_visualisation_start_finish(self, context, "visualisation_start")
 
@@ -278,6 +285,14 @@ def update_color_progress(self, context):
         color[2] = color_progress.b
 
 
+def update_sort_reversed(self, context):
+    if context.scene.BIMWorkScheduleProperties.active_work_schedule_id:
+        core.load_task_tree(
+            tool.Sequence,
+            work_schedule=tool.Ifc.get().by_id(context.scene.BIMWorkScheduleProperties.active_work_schedule_id),
+        )
+
+
 class Task(PropertyGroup):
     name: StringProperty(name="Name", update=updateTaskName)
     identification: StringProperty(name="Identification", update=updateTaskIdentification)
@@ -335,6 +350,9 @@ class ISODuration(PropertyGroup):
 
 
 class BIMWorkScheduleProperties(PropertyGroup):
+    work_schedule_predefined_types: EnumProperty(
+        items=get_schedule_predefined_types, name="Predefined Type", default=None
+    )
     durations_attributes: CollectionProperty(name="Durations Attributes", type=ISODuration)
     work_calendars: EnumProperty(items=getWorkCalendars, name="Work Calendars")
     work_schedule_attributes: CollectionProperty(name="Work Schedule Attributes", type=Attribute)
@@ -346,12 +364,13 @@ class BIMWorkScheduleProperties(PropertyGroup):
     active_task_id: IntProperty(name="Active Task Id")
     task_attributes: CollectionProperty(name="Task Attributes", type=Attribute)
     should_show_visualisation_ui: BoolProperty(name="Should Show Visualisation UI", default=False)
-    should_show_bar_visual_option: BoolProperty(name="Should Show Settings UI", default=False)
+    should_show_task_bar_selection: BoolProperty(name="Add to task bar", default=False)
+    should_show_snapshot_ui: BoolProperty(name="Should Show Snapshot UI", default=False)
     should_show_column_ui: BoolProperty(name="Should Show Column UI", default=False)
     columns: CollectionProperty(name="Columns", type=Attribute)
     active_column_index: IntProperty(name="Active Column Index")
     sort_column: StringProperty(name="Sort Column")
-    is_sort_reversed: BoolProperty(name="Is Sort Reversed")
+    is_sort_reversed: BoolProperty(name="Is Sort Reversed", update=update_sort_reversed)
     column_types: EnumProperty(
         items=[
             ("IfcTask", "IfcTask", ""),
@@ -404,6 +423,8 @@ class BIMWorkScheduleProperties(PropertyGroup):
     product_output_tasks: CollectionProperty(name="Product Task Outputs", type=TaskProduct)
     active_product_output_task_index: IntProperty(name="Active Product Output Task Index")
     active_product_input_task_index: IntProperty(name="Active Product Input Task Index")
+    enable_reorder: BoolProperty(name="Enable Reorder", default=False)
+    show_task_operators: BoolProperty(name="Show Task Options", default=True)
 
 
 class BIMTaskTreeProperties(PropertyGroup):
@@ -501,3 +522,4 @@ class BIMAnimationProperties(PropertyGroup):
         description="color picker",
         update=update_color_progress,
     )
+    should_show_task_bar_options: BoolProperty(name="Show Task Bar Options", default=False)

src/blenderbim/blenderbim/bim/module/sequence/ui.py

@@ -117,15 +117,19 @@ class BIM_PT_work_schedules(Panel):
         self.tprops = context.scene.BIMTaskTreeProperties
         self.animation_props = context.scene.BIMAnimationProperties
 
-        row = self.layout.row()
-        if SequenceData.data["has_work_schedules"]:
-            row.label(
-                text="{} Work Schedules Found".format(SequenceData.data["number_of_work_schedules_loaded"]),
-                icon="TEXT",
-            )
-        else:
-            row.label(text="No Work Schedules found.", icon="TEXT")
-        row.operator("bim.add_work_schedule", text="", icon="ADD")
+        if not self.props.active_work_schedule_id:
+            row = self.layout.row()
+            if SequenceData.data["has_work_schedules"]:
+                row.label(
+                    text="{} Work Schedules Found".format(SequenceData.data["number_of_work_schedules_loaded"]),
+                    icon="TEXT",
+                )
+            else:
+                row.label(text="No Work Schedules found.", icon="TEXT")
+            row = self.layout.row(align=True)
+            row.alignment = "RIGHT"
+            row.prop(self.props, "work_schedule_predefined_types")
+            row.operator("bim.add_work_schedule", text="Add new", icon="ADD")
 
         for work_schedule_id, work_schedule in SequenceData.data["work_schedules"].items():
             self.draw_work_schedule_ui(work_schedule_id, work_schedule)
@@ -133,17 +137,43 @@ class BIM_PT_work_schedules(Panel):
     def draw_work_schedule_ui(self, work_schedule_id, work_schedule):
         row = self.layout.row(align=True)
         row.label(text=work_schedule["Name"] or "Unnamed", icon="LINENUMBERS_ON")
-
         if self.props.active_work_schedule_id == work_schedule_id:
             if self.props.editing_type == "WORK_SCHEDULE":
                 row.operator("bim.edit_work_schedule", text="", icon="CHECKMARK")
             elif self.props.editing_type == "TASKS":
-                row.prop(self.props, "should_show_column_ui", text="", icon="SHORTDISPLAY")
-                row.prop(self.props, "should_show_visualisation_ui", text="", icon="CAMERA_STEREO")
-                row.operator("bim.generate_gantt_chart", text="", icon="NLA").work_schedule = work_schedule_id
-                row.operator("bim.recalculate_schedule", text="", icon="FILE_REFRESH").work_schedule = work_schedule_id
-                row.operator("bim.add_summary_task", text="", icon="ADD").work_schedule = work_schedule_id
-            row.operator("bim.disable_editing_work_schedule", text="", icon="CANCEL")
+                grid = self.layout.grid_flow(columns=2, even_columns=True)
+
+                col = grid.column()
+                row1 = col.row(align=True)
+                row1.alignment = "LEFT"
+                row1.label(text="Schedule tools")
+                row1 = col.row(align=True)
+                row1.alignment = "RIGHT"
+                row1.operator(
+                    "bim.generate_gantt_chart", text="Generate Gantt", icon="NLA"
+                ).work_schedule = work_schedule_id
+                row1.operator(
+                    "bim.recalculate_schedule", text="Re-calculate Schedule", icon="FILE_REFRESH"
+                ).work_schedule = work_schedule_id
+                row2 = col.row(align=True)
+                row2.alignment = "RIGHT"
+                row2.operator(
+                    "bim.select_work_schedule_products", text="Select Assigned", icon="RESTRICT_SELECT_OFF"
+                ).work_schedule = work_schedule_id
+                row2.operator(
+                    "bim.select_unassigned_work_schedule_products", text="Select Unassigned", icon="RESTRICT_SELECT_OFF"
+                ).work_schedule = work_schedule_id
+                col = grid.column()
+                row1 = col.row(align=True)
+                row1.alignment = "LEFT"
+                row1.label(text="Settings")
+                row1 = col.row(align=True)
+                row1.alignment = "RIGHT"
+                row1.prop(self.props, "should_show_column_ui", text="Schedule Columns", icon="SHORTDISPLAY")
+                row2 = col.row(align=True)
+                row2.prop(self.props, "should_show_visualisation_ui", text="Animation Options", icon="CAMERA_STEREO")
+                row2.prop(self.props, "should_show_snapshot_ui", text="Snapshot Options", icon="CAMERA_STEREO")
+            row.operator("bim.disable_editing_work_schedule", text="Disable editing", icon="CANCEL")
         else:
             row.operator(
                 "bim.enable_editing_work_schedule_tasks", text="", icon="ACTION"
@@ -161,6 +191,8 @@ class BIM_PT_work_schedules(Panel):
                     self.draw_column_ui()
                 if self.props.should_show_visualisation_ui:
                     self.draw_visualisation_ui()
+                if self.props.should_show_snapshot_ui:
+                    self.draw_snapshot_ui()
                 self.draw_editable_task_ui(work_schedule_id)
 
     def draw_task_operators(self):
@@ -178,18 +210,28 @@ class BIM_PT_work_schedules(Panel):
                     row.operator("bim.edit_task", text="", icon="CHECKMARK")
                 row.operator("bim.disable_editing_task", text="", icon="CANCEL")
             else:
-                row.prop(self.props, "should_show_bar_visual_option", text="", icon="NLA_PUSHDOWN")
-                row.operator("bim.enable_editing_task_sequence", text="", icon="TRACKING").task = ifc_definition_id
-                row.operator("bim.enable_editing_task_time", text="", icon="TIME").task = ifc_definition_id
-                row.operator("bim.enable_editing_task_calendar", text="", icon="VIEW_ORTHO").task = ifc_definition_id
-                row.operator("bim.enable_editing_task", text="", icon="GREASEPENCIL").task = ifc_definition_id
-                row.operator("bim.add_task", text="", icon="ADD").task = ifc_definition_id
-                row.operator("bim.duplicate_task", text="", icon="DUPLICATE").task = ifc_definition_id
-                row.operator("bim.remove_task", text="", icon="X").task = ifc_definition_id
+                row.prop(self.props, "show_task_operators", text="Edit", icon="GREASEPENCIL")
+                if self.props.show_task_operators:
+                    row2 = self.layout.row(align=True)
+                    row2.alignment = "RIGHT"
+
+                    row2.prop(self.props, "enable_reorder", text="", icon="SORTALPHA")
+                    row2.operator("bim.enable_editing_task_sequence", text="", icon="TRACKING").task = ifc_definition_id
+                    row2.operator("bim.enable_editing_task_time", text="", icon="TIME").task = ifc_definition_id
+                    row2.operator(
+                        "bim.enable_editing_task_calendar", text="", icon="VIEW_ORTHO"
+                    ).task = ifc_definition_id
+                    row2.operator(
+                        "bim.enable_editing_task_attributes", text="", icon="GREASEPENCIL"
+                    ).task = ifc_definition_id
+                row.operator("bim.add_task", text="Add", icon="ADD").task = ifc_definition_id
+                row.operator("bim.duplicate_task", text="Copy", icon="DUPLICATE").task = ifc_definition_id
+                row.operator("bim.remove_task", text="Delete", icon="X").task = ifc_definition_id
 
     def draw_column_ui(self):
-        row = self.layout.row(align=True)
-        row.operator("bim.setup_default_task_columns", text="Show Default Columns", icon="ANCHOR_BOTTOM")
+        row = self.layout.row()
+        row.operator("bim.setup_default_task_columns", text="Add Default Columns", icon="ANCHOR_BOTTOM")
+        row.alignment = "RIGHT"
         row = self.layout.row(align=True)
         row.prop(self.props, "column_types", text="")
         column_type = self.props.column_types
@@ -226,7 +268,7 @@ class BIM_PT_work_schedules(Panel):
         op.work_schedule = self.props.active_work_schedule_id
 
         row = self.layout.row(align=True)
-        row.label(text="Animation Options")
+        row.label(text="Speed Settings")
         row = self.layout.row(align=True)
         row.prop(self.props, "speed_types", text="")
         if self.props.speed_types == "FRAME_SPEED":
@@ -237,21 +279,50 @@ class BIM_PT_work_schedules(Panel):
             row.prop(self.props, "speed_real_duration", text="")
         elif self.props.speed_types == "MULTIPLIER_SPEED":
             row.prop(self.props, "speed_multiplier", text="")
+        row = self.layout.row(align=True)
+        row.label(text="Display Settings")
+        row = self.layout.row(align=True)
         if not self.animation_props.is_editing:
             op = row.operator(
-                "bim.enable_editing_task_animation_colors", text="Customize Animation Colors", icon="SEQUENCE_COLOR_04"
+                "bim.enable_editing_task_animation_colors", text="Customize Object Colors", icon="SEQUENCE_COLOR_04"
             )
         else:
             op = row.operator(
-                "bim.disable_editing_task_animation_colors", text="Hide Animation Colors", icon="SEQUENCE_COLOR_01"
+                "bim.disable_editing_task_animation_colors", text="Hide Object Colors", icon="SEQUENCE_COLOR_01"
             )
 
+        row.prop(self.animation_props, "should_show_task_bar_options", text="Task Bar", icon="NLA_PUSHDOWN")
+        if self.animation_props.should_show_task_bar_options:
+            row = self.layout.row()
+            row.label(text="Task Bar Options", icon="NLA_PUSHDOWN")
+            row.alignment = "LEFT"
+            row = self.layout.row(align=True)
+            row.prop(self.props, "should_show_task_bar_selection", text="Enable Selection", icon="NLA_PUSHDOWN")
+            row.operator("bim.add_task_bars", text="Generate bars", icon="NLA_PUSHDOWN")
+
+            grid = self.layout.grid_flow(columns=2, even_columns=True)
+            # Column1
+            col = grid.column()
+
+            row = col.row(align=True)
+            row.prop(self.animation_props, "color_progress")
+
+            row = col.row(align=True)
+            row.prop(self.animation_props, "color_full")
+
         if self.animation_props.is_editing:
             self.draw_visualisation_settings_ui()
 
-        row = self.layout.row()
+        row = self.layout.row(align=True)
         op = row.operator("bim.visualise_work_schedule_date_range", text="Create Animation", icon="OUTLINER_OB_CAMERA")
         op.work_schedule = self.props.active_work_schedule_id
+
+    def draw_snapshot_ui(self):
+        row = self.layout.row(align=True)
+        row.label(text="Create Construction Snapshot:")
+        row = self.layout.row(align=True)
+        op = row.operator("bim.datepicker", text=self.props.visualisation_start or "Date", icon="REW")
+        op.target_prop = "BIMWorkScheduleProperties.visualisation_start"
         op = row.operator("bim.visualise_work_schedule_date", text="Create SnapShot", icon="RESTRICT_RENDER_OFF")
         op.work_schedule = self.props.active_work_schedule_id
 
@@ -286,6 +357,13 @@ class BIM_PT_work_schedules(Panel):
         draw_attributes(self.props.work_schedule_attributes, self.layout)
 
     def draw_editable_task_ui(self, work_schedule_id):
+        row = self.layout.row(align=True)
+        row.label(text="")
+        row = self.layout.row(align=True)
+        row.alignment = "RIGHT"
+        row.operator("bim.add_summary_task", text="Add Summary Task", icon="ADD").work_schedule = work_schedule_id
+        row.operator("bim.expand_all_tasks", text="Expand All")
+        row.operator("bim.contract_all_tasks", text="Contract All")
         self.draw_task_operators()
         self.layout.template_list(
             "BIM_UL_tasks",
@@ -295,9 +373,6 @@ class BIM_PT_work_schedules(Panel):
             self.props,
             "active_task_index",
         )
-        row = self.layout.row()
-        row.operator("bim.expand_all_tasks", text="Expand All")
-        row.operator("bim.contract_all_tasks", text="Contract All")
         if self.props.active_task_id and self.props.editing_task_type == "ATTRIBUTES":
             self.draw_editable_task_attributes_ui()
         elif self.props.active_task_id and self.props.editing_task_type == "CALENDAR":
@@ -430,7 +505,7 @@ class BIM_PT_task_icom(Panel):
                 input_id = self.props.task_inputs[self.props.active_task_input_index].ifc_definition_id
                 op.related_object = input_id
 
-        op = row2.operator("bim.select_task_related_inputs", icon="RESTRICT_SELECT_OFF", text="")
+        op = row2.operator("bim.select_task_related_inputs", icon="RESTRICT_SELECT_OFF", text="Select")
         op.task = task.ifc_definition_id
 
         row2 = col.row()
@@ -519,7 +594,7 @@ class BIM_UL_task_resources(UIList):
         if item:
             row = layout.row(align=True)
             row.prop(item, "name", emboss=False, text="")
-            row.prop(item, "schedule_usage", emboss=False, text="")
+            row.label(text=str(item.schedule_usage))
 
 
 class BIM_UL_animation_colors(UIList):
@@ -583,7 +658,7 @@ class BIM_UL_tasks(UIList):
                     text="",
                     emboss=False,
                 )
-            if self.props.should_show_bar_visual_option:
+            if self.props.should_show_task_bar_selection:
                 row.prop(
                     item,
                     "has_bar_visual",
@@ -591,6 +666,8 @@ class BIM_UL_tasks(UIList):
                     text="",
                     emboss=False,
                 )
+            if self.props.enable_reorder:
+                self.draw_order_operator(row, item.ifc_definition_id)
             if self.props.active_task_id:
                 if self.props.editing_task_type == "SEQUENCE" and self.props.active_task_id != item.ifc_definition_id:
                     if item.is_predecessor:
@@ -605,6 +682,18 @@ class BIM_UL_tasks(UIList):
                         op = row.operator("bim.assign_successor", text="", icon="TRACKING_FORWARDS", emboss=False)
                     op.task = item.ifc_definition_id
 
+    def draw_order_operator(self, row, ifc_definition_id):
+        task = SequenceData.data["tasks"][ifc_definition_id]
+        if task["NestingIndex"] is not None:
+            if task["NestingIndex"] == 0:
+                op = row.operator("bim.reorder_task_nesting", icon="TRIA_DOWN", text="")
+                op.task = ifc_definition_id
+                op.new_index = task["NestingIndex"] + 1
+            elif task["NestingIndex"] > 0:
+                op = row.operator("bim.reorder_task_nesting", icon="TRIA_UP", text="")
+                op.task = ifc_definition_id
+                op.new_index = task["NestingIndex"] - 1
+
     def draw_hierarchy(self, row, item):
         for i in range(0, item.level_index):
             row.label(text="", icon="BLANK1")
@@ -825,7 +914,7 @@ class BIM_PT_4D_Tools(Panel):
     def draw(self, context):
         self.props = context.scene.BIMWorkScheduleProperties
         row = self.layout.row()
-        row.operator("bim.load_product_tasks", text="Load Tasks", icon="FILE_REFRESH")
+        row.operator("bim.load_product_related_tasks", text="Load Tasks", icon="FILE_REFRESH")
 
         grid = self.layout.grid_flow(columns=2, even_columns=True)
         col1 = grid.column()

src/blenderbim/blenderbim/bim/ui.py

@@ -120,6 +120,36 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         name="Should Make A Cha-Ching Sound When Project Costs Updates", default=False
     )
     lock_grids_on_import: BoolProperty(name="Should Lock Grids By Default", default=True)
+    decorations_colour: bpy.props.FloatVectorProperty(
+        name="Decorations Colour", subtype="COLOR", default=(1, 1, 1, 1), min=0.0, max=1.0, size=4
+    )
+    decorator_color_selected: bpy.props.FloatVectorProperty(
+        name="Selected Elements Color",
+        subtype="COLOR",
+        default=(0.545, 0.863, 0, 1),  # green
+        min=0.0,
+        max=1.0,
+        size=4,
+        description="Color of selected verts/edges (used in profile editing mode)",
+    )
+    decorator_color_unselected: bpy.props.FloatVectorProperty(
+        name="Not Selected Elements Color",
+        subtype="COLOR",
+        default=(1, 1, 1, 1),  # white
+        min=0.0,
+        max=1.0,
+        size=4,
+        description="Color of not selected verts/edges (used in profile editing mode)",
+    )
+    decorator_color_special: bpy.props.FloatVectorProperty(
+        name="Special Elements Color",
+        subtype="COLOR",
+        default=(0.157, 0.565, 1, 1),  # blue
+        min=0.0,
+        max=1.0,
+        size=4,
+        description="Color of special selected verts/edges (openings, preview verts/edges in roof editing, verts with arcs/circles in profile editing)",
+    )
 
     def draw(self, context):
         layout = self.layout
@@ -172,13 +202,13 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         row.prop(context.scene.BIMModelProperties, "occurrence_name_function")
 
         row = self.layout.row()
-        row.prop(context.scene.DocProperties, "decorations_colour")
+        row.prop(self, "decorations_colour")
         row = self.layout.row()
-        row.prop(context.scene.BIMModelProperties, "decorator_color_selected")
+        row.prop(self, "decorator_color_selected")
         row = self.layout.row()
-        row.prop(context.scene.BIMModelProperties, "decorator_color_unselected")
+        row.prop(self, "decorator_color_unselected")
         row = self.layout.row()
-        row.prop(context.scene.BIMModelProperties, "decorator_color_special")
+        row.prop(self, "decorator_color_special")
 
         row = self.layout.row(align=True)
         row.prop(context.scene.BIMProperties, "schema_dir")

src/blenderbim/blenderbim/core/resource.py

@@ -170,3 +170,15 @@ def unassign_resource(ifc, spatial, resource=None, products=None):
         products = spatial.get_selected_products()
     for product in products:
         ifc.run("resource.unassign_resource", relating_resource=resource, related_object=product)
+
+
+def edit_productivity_pset(ifc, resource_tool):
+    resource = resource_tool.get_highlighted_resource()
+    if resource is None:
+        return
+    productivity = resource_tool.get_productivity(resource)
+    if productivity:
+        pset = ifc.get().by_id(productivity["id"])
+    else:
+        pset = ifc.run("pset.add_pset", product=resource, name="EPset_Productivity")
+    ifc.run("pset.edit_pset", pset=pset, properties=resource_tool.get_productivity_attributes())

src/blenderbim/blenderbim/core/sequence.py

@@ -74,47 +74,47 @@ def enable_editing_work_schedule(sequence, work_schedule=None):
 
 def enable_editing_work_schedule_tasks(sequence, work_schedule=None):
     sequence.enable_editing_work_schedule_tasks(work_schedule)
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
-def create_task_tree(sequence, work_schedule):
-    sequence.create_task_tree(work_schedule)
+def load_task_tree(sequence, work_schedule):
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def expand_task(sequence, task=None):
     sequence.expand_task(task)
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def expand_all_tasks(sequence):
     sequence.expand_all_tasks()
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def contract_task(sequence, task=None):
     sequence.contract_task(task)
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def contract_all_tasks(sequence):
     sequence.contract_all_tasks()
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def remove_task(ifc, sequence, task=None):
     ifc.run("sequence.remove_task", task=task)
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
     sequence.disable_selecting_deleted_task()
 
@@ -129,21 +129,24 @@ def disable_editing_work_schedule(sequence):
 
 def add_summary_task(ifc, sequence, work_schedule=None):
     ifc.run("sequence.add_task", work_schedule=work_schedule)
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def add_task(ifc, sequence, parent_task=None):
     ifc.run("sequence.add_task", parent_task=parent_task)
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
 def enable_editing_task(sequence, task=None):
-    sequence.load_task_attributes(task)
     sequence.enable_editing_task(task)
 
+def enable_editing_task_attributes(sequence, task=None):
+    sequence.load_task_attributes(task)
+    sequence.enable_editing_task_attributes(task)
+
 
 def edit_task(ifc, sequence, task=None):
     attributes = sequence.get_task_attributes()
@@ -165,7 +168,7 @@ def copy_task_attribute(ifc, sequence, attribute_name=None):
 def duplicate_task(ifc, sequence, task=None):
     ifc.run("sequence.duplicate_task", task=task)
     work_schedule = sequence.get_active_work_schedule()
-    sequence.create_task_tree(work_schedule)
+    sequence.load_task_tree(work_schedule)
     sequence.load_task_properties()
 
 
@@ -430,6 +433,20 @@ def select_task_inputs(sequence, spatial, task=None):
     spatial.select_products(products=sequence.get_task_inputs(task))
 
 
+def select_work_schedule_products(sequence, spatial, work_schedule=None):
+    products = sequence.get_work_schedule_products(work_schedule)
+    spatial.select_products(products)
+
+
+def select_unassigned_work_schedule_products(ifc, sequence, spatial):
+    spatial.deselect_all()
+    products = ifc.get().by_type("IfcElement")
+    work_schedule = sequence.get_active_work_schedule()
+    schedule_products = sequence.get_work_schedule_products(work_schedule)
+    selection = [product for product in products if product not in schedule_products]
+    spatial.select_products(selection)
+
+
 def recalculate_schedule(ifc, work_schedule=None):
     ifc.run("sequence.recalculate_schedule", work_schedule=work_schedule)
 
@@ -450,7 +467,7 @@ def calculate_task_duration(ifc, sequence, task=None):
     ifc.run("sequence.calculate_task_duration", task=task)
     work_schedule = sequence.get_active_work_schedule()
     if work_schedule:
-        sequence.create_task_tree(work_schedule)
+        sequence.load_task_tree(work_schedule)
         sequence.load_task_properties()
 
 
@@ -459,6 +476,8 @@ def highlight_task(sequence, task=None):
     is_work_schedule_active = sequence.is_work_schedule_active(work_schedule)
     if is_work_schedule_active:
         sequence.highlight_task(task)
+    else:
+        return "Work schedule is not active"
 
 
 def highlight_product_related_task(sequence, spatial, product_type=None):
@@ -522,5 +541,18 @@ def generate_gantt_chart(sequence, work_schedule):
     json = sequence.create_tasks_json(work_schedule)
     sequence.generate_gantt_browser_chart(json)
 
-def load_product_tasks(sequence, product=None):
-    sequence.load_product_tasks(product)
+
+def load_product_related_tasks(sequence, product=None):
+    sequence.load_product_related_tasks(product)
+
+
+def reorder_task_nesting(ifc, sequence, task, new_index):
+    is_sorting_enabled = sequence.is_sorting_enabled()
+    is_sort_reversed = sequence.is_sort_reversed()
+    if is_sorting_enabled or is_sort_reversed:
+        return "Remove manual sorting"
+    else:
+        ifc.run("nest.reorder_nesting", item= task, new_index= new_index)
+        work_schedule= sequence.get_active_work_schedule()
+        sequence.load_task_tree(work_schedule)
+        sequence.load_task_properties()

src/blenderbim/blenderbim/core/tool.py

@@ -562,32 +562,37 @@ class Qto:
 
 @interface
 class Resource:
-    def load_resources(cls): pass
-    def load_resource_properties(cls): pass
+    def clear_productivity_data(cls, props): pass
+    def contract_resource(cls, resource): pass
+    def disable_editing_resource_cost_value(cls): pass
+    def disable_editing_resource_quantity(cls): pass
     def disable_editing_resource(cls): pass
     def disable_resource_editing_ui(cls): pass
-    def load_resource_attributes(cls, resource): pass
-    def enable_editing_resource(cls, resource): pass
-    def get_resource_attributes(cls): pass
-    def enable_editing_resource_time(cls, resource): pass
-    def get_resource_time(cls, resource): pass
-    def load_resource_time_attributes(cls, resource_time): pass
-    def get_resource_time_attributes(cls): pass
-    def enable_editing_resource_costs(cls, resource): pass
-    def disable_editing_resource_cost_value(cls): pass
-    def enable_editing_resource_cost_value_formula(cls, cost_value): pass
-    def load_cost_value_attributes(cls, cost_value): pass
+    def edit_productivity_pset(cls, resource, attributes): pass
     def enable_editing_cost_value_attributes(cls, cost_value): pass
-    def get_resource_cost_value_formula(cls): pass
-    def get_resource_cost_value_attributes(cls): pass
     def enable_editing_resource_base_quantity(cls, resource): pass
+    def enable_editing_resource_cost_value_formula(cls, cost_value): pass
+    def enable_editing_resource_costs(cls, resource): pass
     def enable_editing_resource_quantity(cls, resource_quantity): pass
-    def disable_editing_resource_quantity(cls): pass
-    def get_resource_quantity_attributes(cls): pass
+    def enable_editing_resource_time(cls, resource): pass
+    def enable_editing_resource(cls, resource): pass
     def expand_resource(cls, resource): pass
-    def contract_resource(cls, resource): pass
+    def get_highlighted_resource(cls): pass
+    def get_productivity_attributes(cls): pass
+    def get_productivity(cls, resource, should_inherit): pass
+    def get_resource_attributes(cls): pass
+    def get_resource_cost_value_attributes(cls): pass
+    def get_resource_cost_value_formula(cls): pass
+    def get_resource_quantity_attributes(cls): pass
+    def get_resource_time_attributes(cls): pass
+    def get_resource_time(cls, resource): pass
     def import_resources(cls, file_path): pass
-
+    def load_cost_value_attributes(cls, cost_value): pass
+    def load_productivity_data(cls): pass
+    def load_resource_attributes(cls, resource): pass
+    def load_resource_properties(cls): pass
+    def load_resource_time_attributes(cls, resource_time): pass
+    def load_resources(cls): pass
 
 @interface
 class Root:
@@ -619,11 +624,24 @@ class Search:
 @interface
 class Sequence:
     def add_task_column(cls, column_type, name, data_type): pass
+    def add_text_animation_handler(cls, settings): pass
+    def animate_consumption(cls, obj, start_frame, product_frame, color, animation_type): pass
+    def animate_creation(cls, obj, start_frame, product_frame, color): pass
+    def animate_destruction(cls, obj, start_frame, color, animation_type): pass
+    def animate_input(cls, obj, start_frame, product_frame, animation_type): pass
+    def animate_movement_from(cls, obj, start_frame, color, animation_type): pass
+    def animate_movement_to(cls, obj, start_frame, product_frame, color): pass
+    def animate_objects(cls, settings, frames, clear_previous, animation_type): pass
+    def animate_operation(cls, obj, start_frame, product_frame, color): pass
+    def animate_output(cls, obj, start_frame, product_frame): pass
+    def clear_object_animation(cls, obj): pass
+    def clear_objects_animation(cls, include_blender_objects): pass
     def contract_all_tasks(cls): pass
     def contract_task(cls, task): pass
     def create_bars(cls, tasks): pass
-    def create_bars(cls, tasks):pass
-    def create_task_tree(cls, work_schedule): pass
+    def create_new_task_json(cls, task, json, type_map=None): pass
+    def load_task_tree(cls, work_schedule): pass
+    def create_tasks_json(cls, work_schedule=None): pass
     def disable_editing_rel_sequence(cls): pass
     def disable_editing_task_animation_colors(cls): pass
     def disable_editing_task_time(cls): pass
@@ -640,7 +658,7 @@ class Sequence:
     def enable_editing_task_calendar(cls, task): pass
     def enable_editing_task_sequence(cls, task): pass
     def enable_editing_task_time(cls, task): pass
-    def enable_editing_task(cls, task): pass
+    def enable_editing_task_attributes(cls, task): pass
     def enable_editing_work_calendar_times(cls, work_calendar): pass
     def enable_editing_work_calendar(cls, work_calendar): pass
     def enable_editing_work_plan_schedules(cls, work_plan): pass
@@ -651,11 +669,13 @@ class Sequence:
     def expand_all_tasks(cls): pass
     def expand_task(cls, task): pass
     def find_related_input_tasks(cls, product): pass
-    def find_related_output_tasks(cls, column): pass
     def find_related_output_tasks(cls, product): pass
+    def generate_gantt_browser_chart(cls, task_json): pass
     def get_active_task(cls): pass
     def get_active_work_schedule(cls): pass
     def get_animation_bar_tasks(cls): pass
+    def get_animation_product_frames(cls, work_schedule, settings): pass
+    def get_animation_settings(cls): pass
     def get_checked_tasks(cls): pass
     def get_direct_nested_tasks(cls, task):pass
     def get_direct_task_outputs(cls, task): pass
@@ -665,7 +685,6 @@ class Sequence:
     def get_recurrence_pattern_attributes(cls, recurrence_pattern): pass
     def get_recurrence_pattern_times(cls): pass
     def get_rel_sequence_attributes(cls): pass
-
     def get_selected_resource(cls): pass
     def get_start_date(cls): pass
     def get_task_attribute_value(cls, attribute_name): pass
@@ -678,12 +697,15 @@ class Sequence:
     def get_work_calendar_attributes(cls): pass
     def get_work_plan_attributes(cls): pass
     def get_work_schedule_attributes(cls): pass
+    def get_work_schedule_products(cls, work_schedule): pass
     def get_work_schedule(cls, task): pass
     def get_work_time_attributes(cls): pass
     def guess_date_range(cls, work_schedule): pass
+    def has_task_assignments(cls, product, cost_schedule=None): pass
     def highlight_task(cls, task): pass
     def is_work_schedule_active(cls, work_schedule): pass
     def load_lag_time_attributes(cls, lag_time): pass
+    def load_product_related_tasks(cls, product): pass
     def load_rel_sequence_attributes(cls, rel_sequence): pass
     def load_resources(cls): pass
     def load_task_animation_colors(cls): pass
@@ -707,6 +729,7 @@ class Sequence:
     def show_snapshot(cls, product_states): pass
     def update_visualisation_date(cls, start_date, finish_date): pass
 
+
 @interface
 class Spatial:
     def can_contain(cls, structure_obj, element_obj): pass

src/blenderbim/blenderbim/tool/drawing.py

@@ -1347,15 +1347,16 @@ class Drawing(blenderbim.core.tool.Drawing):
         """returns a set of elements that are included in the drawing"""
         ifc_file = tool.Ifc.get()
         pset = ifcopenshell.util.element.get_psets(drawing).get("EPset_Drawing", {})
+        elements = cls.get_elements_in_camera_view(tool.Ifc.get_object(drawing), bpy.data.objects)
         include = pset.get("Include", None)
         if include:
-            elements = set(ifcopenshell.util.selector.Selector.parse(ifc_file, include))
+            elements = set(ifcopenshell.util.selector.Selector.parse(ifc_file, include, elements=elements))
         else:
             if tool.Ifc.get_schema() == "IFC2X3":
-                elements = set(ifc_file.by_type("IfcElement") + ifc_file.by_type("IfcSpatialStructureElement"))
+                base_elements = set(ifc_file.by_type("IfcElement") + ifc_file.by_type("IfcSpatialStructureElement"))
             else:
-                elements = set(ifc_file.by_type("IfcElement") + ifc_file.by_type("IfcSpatialElement"))
-            elements = {e for e in elements if e.is_a() != "IfcSpace"}
+                base_elements = set(ifc_file.by_type("IfcElement") + ifc_file.by_type("IfcSpatialElement"))
+            elements = {e for e in (elements & base_elements) if e.is_a() != "IfcSpace"}
             annotations = tool.Drawing.get_group_elements(tool.Drawing.get_drawing_group(drawing))
             elements.update(annotations)
 
@@ -1370,7 +1371,7 @@ class Drawing(blenderbim.core.tool.Drawing):
         ifc_file = tool.Ifc.get()
         pset = ifcopenshell.util.element.get_psets(drawing).get("EPset_Drawing", {})
         include = pset.get("Include", None)
-        elements = set(ifc_file.by_type("IfcSpace"))
+        elements = cls.get_elements_in_camera_view(tool.Ifc.get_object(drawing), [tool.Ifc.get_object(e) for e in ifc_file.by_type("IfcSpace")])
         if include:
             elements = set(ifcopenshell.util.selector.Selector.parse(ifc_file, include, elements=elements))
         exclude = pset.get("Exclude", None)
@@ -1449,14 +1450,13 @@ class Drawing(blenderbim.core.tool.Drawing):
 
         # Sync viewport objects visibility with selectors from EPset_Drawing/Include and /Exclude
         drawing = tool.Ifc.get_entity(camera)
-        all_elements = set(tool.Ifc.get().by_type("IfcElement")) - set(tool.Ifc.get().by_type("IfcOpeningElement"))
-        filtered_elements = cls.get_drawing_elements(drawing)
-        hidden_elements = list(all_elements - filtered_elements)
-        hidden_objs = [tool.Ifc.get_object(e) for e in hidden_elements]
 
         # Running operators is much more efficient in this scenario than looping through each element
         bpy.ops.object.hide_view_clear()
 
+        filtered_elements = cls.get_drawing_elements(drawing) | cls.get_drawing_spaces(drawing)
+        hidden_objs = [o for o in bpy.context.visible_objects if tool.Ifc.get_entity(o) not in filtered_elements]
+
         for hidden_obj in hidden_objs:
             if bpy.context.view_layer.objects.get(hidden_obj.name):
                 hidden_obj.hide_set(True)
@@ -1492,6 +1492,36 @@ class Drawing(blenderbim.core.tool.Drawing):
                         )
                     break
 
+    @classmethod
+    def get_elements_in_camera_view(cls, camera, objs):
+        if bpy.context.scene.render.resolution_x > bpy.context.scene.render.resolution_y:
+            x = camera.data.ortho_scale / 2
+            y = (camera.data.BIMCameraProperties.raster_y / camera.data.BIMCameraProperties.raster_x) * x
+        else:
+            y = camera.data.ortho_scale / 2
+            x = (camera.data.BIMCameraProperties.raster_x / camera.data.BIMCameraProperties.raster_y) * y
+
+        camera_inverse_matrix = camera.matrix_world.inverted()
+        return set([
+            tool.Ifc.get_entity(o)
+            for o in objs
+            if cls.is_in_camera_view(o, camera_inverse_matrix, x, y, camera.data.clip_start, camera.data.clip_end)
+            and tool.Ifc.get_entity(o)
+        ])
+
+    @classmethod
+    def is_in_camera_view(cls, obj, camera_inverse_matrix, x, y, clip_start, clip_end):
+        local_bbox = [camera_inverse_matrix @ obj.matrix_world @ Vector(v) for v in obj.bound_box]
+        for v in local_bbox:
+            if v.z < -clip_start and v.z > -clip_end and abs(v.x) < x and abs(v.y) < y:
+                return True
+        if any([v.z > -clip_start for v in local_bbox]) and any([v.z < -clip_end for v in local_bbox]):
+            return True
+        elif any([v.x < -x for v in local_bbox]) and any([v.x > x for v in local_bbox]):
+            return True
+        elif any([v.y < -y for v in local_bbox]) and any([v.y > y for v in local_bbox]):
+            return True
+
     @classmethod
     def is_intersecting_camera(cls, obj, camera):
         # Based on separating axis theorem

src/blenderbim/blenderbim/tool/geometry.py

@@ -84,6 +84,7 @@ class Geometry(blenderbim.core.tool.Geometry):
             bpy.data.collections.remove(obj.users_collection[0])
         if getattr(element, "FillsVoids", None):
             bpy.ops.bim.remove_filling(filling=element.id())
+
         if element.is_a("IfcOpeningElement"):
             if element.HasFillings:
                 for rel in element.HasFillings:
@@ -97,7 +98,7 @@ class Geometry(blenderbim.core.tool.Geometry):
                     bpy.ops.bim.remove_opening(opening_id=rel.RelatedOpeningElement.id())
             for port in ifcopenshell.util.system.get_ports(element):
                 blenderbim.core.system.remove_port(tool.Ifc, tool.System, port=port)
-        ifcopenshell.api.run("root.remove_product", tool.Ifc.get(), product=element)
+            ifcopenshell.api.run("root.remove_product", tool.Ifc.get(), product=element)
         try:
             obj.name
             bpy.data.objects.remove(obj)
@@ -316,7 +317,7 @@ class Geometry(blenderbim.core.tool.Geometry):
 
     @classmethod
     def is_edited(cls, obj):
-        return list(obj.scale) != [1.0, 1.0, 1.0] or obj in IfcStore.edited_objs
+        return not all([tool.Cad.is_x(o, 1.0) for o in obj.scale]) or obj in IfcStore.edited_objs
 
     @classmethod
     def is_mapped_representation(cls, representation):

src/blenderbim/blenderbim/tool/ifcgit.py

@@ -285,9 +285,6 @@ class IfcGit:
         for obj in blender_collection.objects:
             bpy.data.objects.remove(obj, do_unlink=True)
         bpy.data.collections.remove(blender_collection)
-        for collection in bpy.data.collections:
-            if not collection.users:
-                bpy.data.collections.remove(collection)
 
     @classmethod
     def is_valid_branch_name(cls, new_branch_name):

src/blenderbim/blenderbim/tool/model.py

@@ -115,6 +115,56 @@ class Model(blenderbim.core.tool.Model):
         cls.bm.free()
         return profile
 
+    @classmethod
+    def export_surface(cls, obj):
+        p1, p2, p3 = [v.co.copy() for v in obj.data.vertices[0:3]]
+
+        edge1 = p2 - p1
+        edge2 = p3 - p1
+        normal = edge1.cross(edge2)
+        z_axis = normal.normalized()
+        x_axis = p2 - p1
+        x_axis.normalize()
+        y_axis = z_axis.cross(x_axis)
+
+        position = Matrix()
+        position.col[0][:3] = x_axis
+        position.col[1][:3] = y_axis
+        position.col[2][:3] = z_axis
+        position.col[3][:3] = p1
+
+        cls.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+
+        helper = Helper(tool.Ifc.get())
+        indices = helper.auto_detect_arbitrary_profile_with_voids(obj, obj.data)
+
+        if isinstance(indices, tuple) and indices[0] is False:  # Ugly
+            return
+
+        cls.bm = bmesh.new()
+        cls.bm.from_mesh(obj.data)
+        cls.bm.verts.ensure_lookup_table()
+        cls.bm.edges.ensure_lookup_table()
+
+        surface = tool.Ifc.get().createIfcCurveBoundedPlane()
+        surface.BasisSurface = tool.Ifc.get().createIfcPlane(tool.Ifc.get().createIfcAxis2Placement3D(
+            tool.Ifc.get().createIfcCartesianPoint([o / cls.unit_scale for o in p1]),
+            tool.Ifc.get().createIfcDirection([float(o) for o in z_axis]),
+            tool.Ifc.get().createIfcDirection([float(o) for o in x_axis]),
+        ))
+
+        if tool.Ifc.get().schema != "IFC2X3":
+            cls.points = cls.export_points(position, indices["points"])
+
+        surface.OuterBoundary = cls.export_curve(position, indices["profile"])
+        results = []
+        for inner_curve in indices["inner_curves"]:
+            results.append(cls.export_curve(position, inner_curve))
+        surface.InnerBoundaries = results
+
+        cls.bm.free()
+        return surface
+
     @classmethod
     def generate_occurrence_name(cls, element_type, ifc_class):
         props = bpy.context.scene.BIMModelProperties
@@ -218,6 +268,44 @@ class Model(blenderbim.core.tool.Model):
 
         return obj
 
+    @classmethod
+    def import_surface(cls, surface, obj=None):
+        cls.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+
+        cls.vertices = []
+        cls.edges = []
+        cls.arcs = []
+        cls.circles = []
+
+        if surface.is_a("IfcCurveBoundedPlane"):
+            position = Matrix(ifcopenshell.util.placement.get_axis2placement(surface.BasisSurface.Position).tolist())
+            position[0][3] *= cls.unit_scale
+            position[1][3] *= cls.unit_scale
+            position[2][3] *= cls.unit_scale
+
+            cls.import_curve(obj, position, surface.OuterBoundary)
+            for inner_boundary in surface.InnerBoundaries:
+                cls.import_curve(obj, position, inner_boundary)
+
+        mesh = bpy.data.meshes.new("Surface")
+        mesh.from_pydata(cls.vertices, cls.edges, [])
+        mesh.BIMMeshProperties.subshape_type = "PROFILE"
+
+        if obj is None:
+            obj = bpy.data.objects.new("Surface", mesh)
+        else:
+            obj.data = mesh
+
+        for arc in cls.arcs:
+            group = obj.vertex_groups.new(name="IFCARCINDEX")
+            group.add(arc, 1, "REPLACE")
+
+        for circle in cls.circles:
+            group = obj.vertex_groups.new(name="IFCCIRCLE")
+            group.add(circle, 1, "REPLACE")
+
+        return obj
+
     @classmethod
     def import_curve(cls, obj, position, curve):
         offset = len(cls.vertices)
@@ -232,6 +320,10 @@ class Model(blenderbim.core.tool.Model):
                 cls.vertices.append(global_point)
             cls.edges.extend([(i, i + 1) for i in range(offset, len(cls.vertices))])
             cls.edges[-1] = (len(cls.vertices) - 1, offset)  # Close the loop
+        elif curve.is_a("IfcCompositeCurve"):
+            # This is a first pass incomplete implementation only for simple polylines, and misses many details.
+            for segment in curve.Segments:
+                cls.import_curve(obj, position, segment.ParentCurve)
         elif curve.is_a("IfcIndexedPolyCurve"):
             is_arc = False
             is_closed = False

src/blenderbim/blenderbim/tool/project.py

@@ -133,8 +133,8 @@ class Project(blenderbim.core.tool.Project):
     def set_default_modeling_dimensions(cls):
         props = bpy.context.scene.BIMModelProperties
         unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
-        props.extrusion_depth = 3 / unit_scale
-        props.length = 1 / unit_scale
+        props.extrusion_depth = 3
+        props.length = 1
         props.rl1 = 0
         props.rl2 = 1 / unit_scale
         props.x = 0.5 / unit_scale

src/blenderbim/blenderbim/tool/resource.py

@@ -30,6 +30,8 @@ from datetime import datetime
 from dateutil import parser
 import ifcopenshell.util.date as ifcdateutils
 import ifcopenshell.util.cost
+import ifcopenshell.util.resource
+import blenderbim.bim.schema
 
 
 class Resource(blenderbim.core.tool.Resource):
@@ -58,6 +60,7 @@ class Resource(blenderbim.core.tool.Resource):
             if not resource.HasContext:
                 continue
             create_new_resource_li(resource, 0)
+        cls.load_productivity_data()
         props.is_editing = True
 
     @classmethod
@@ -299,8 +302,83 @@ class Resource(blenderbim.core.tool.Resource):
 
     @classmethod
     def get_highlighted_resource(cls):
-        return tool.Ifc.get().by_id(
-            bpy.context.scene.BIMResourceTreeProperties.resources[
-                bpy.context.scene.BIMResourceProperties.active_resource_index
+        resources = len(bpy.context.scene.BIMResourceTreeProperties.resources)
+        if resources and resources > bpy.context.scene.BIMResourceProperties.active_resource_index:
+            return tool.Ifc.get().by_id(
+                bpy.context.scene.BIMResourceTreeProperties.resources[
+                    bpy.context.scene.BIMResourceProperties.active_resource_index
                 ].ifc_definition_id
-            )
+            )
+
+    @classmethod
+    def clear_productivity_data(cls, props):
+        for duration_prop in props.quantity_consumed or []:
+            if duration_prop.name == "BaseQuantityConsumed":
+                duration_prop.years = 0
+                duration_prop.months = 0
+                duration_prop.days = 0
+                duration_prop.hours = 0
+                duration_prop.minutes = 0
+                duration_prop.seconds = 0
+        props.quantity_produced = 0
+        props.quantity_produced_name = ""
+
+    @classmethod
+    def load_productivity_data(cls):
+        duration_props = None
+        for collection_prop in bpy.context.scene.BIMResourceProductivity.quantity_consumed:
+            duration_props = collection_prop if collection_prop.name == "BaseQuantityConsumed" else None
+            break
+        if not duration_props:
+            duration_props = bpy.context.scene.BIMResourceProductivity.quantity_consumed.add()
+            duration_props.name = "BaseQuantityConsumed"
+        cls.clear_productivity_data(bpy.context.scene.BIMResourceProductivity)
+        current_resource = tool.Resource.get_highlighted_resource()
+        if current_resource:
+            productivity = cls.get_productivity(current_resource)
+            print("Resource:", current_resource, "productivity", productivity)
+            if productivity:
+                bpy.context.scene.BIMResourceProductivity.quantity_produced = (
+                    ifcopenshell.util.resource.get_quantity_produced(productivity)
+                )
+                bpy.context.scene.BIMResourceProductivity.quantity_produced_name = (
+                    ifcopenshell.util.resource.get_quantity_produced_name(productivity)
+                )
+                time_consumed = ifcopenshell.util.resource.get_unit_consumed(productivity)
+                if time_consumed:
+                    durations_attributes = helper.parse_duration_as_blender_props(time_consumed)
+                    duration_props.years = durations_attributes["years"]
+                    duration_props.months = durations_attributes["months"]
+                    duration_props.days = durations_attributes["days"]
+                    duration_props.hours = durations_attributes["hours"]
+                    duration_props.minutes = durations_attributes["minutes"]
+                    duration_props.seconds = durations_attributes["seconds"]
+
+    @classmethod
+    def get_productivity_attributes(cls):
+        props = bpy.context.scene.BIMResourceProductivity
+        productivity = {}
+        if props.quantity_consumed:
+            productivity["BaseQuantityConsumed"] = helper.simplify_duration(
+                props.quantity_consumed, "ELAPSEDTIME", "BaseQuantityConsumed"
+            )
+        productivity["BaseQuantityProducedValue"] = props.quantity_produced
+        productivity["BaseQuantityProducedName"] = props.quantity_produced_name
+        return productivity
+
+    @classmethod
+    def get_productivity(cls, resource, should_inherit=False):
+        return ifcopenshell.util.resource.get_productivity(resource, should_inherit=should_inherit)
+
+    @classmethod
+    def edit_productivity_pset(cls, resource, attributes):
+        productivity = cls.get_productivity(resource)
+        if productivity:
+            pset = tool.Ifc.get().by_id(productivity["id"])
+        else:
+            pset = tool.Ifc.run("pset.add_pset", product=resource, name="EPset_Productivity")
+        tool.Ifc.run(
+            "pset.edit_pset",
+            pset=pset,
+            properties=attributes,
+        )

src/blenderbim/blenderbim/tool/sequence.py

@@ -27,6 +27,7 @@ import ifcopenshell.util.element
 import ifcopenshell.util.unit
 import json
 import blenderbim.core.tool
+import blenderbim.core
 import blenderbim.tool as tool
 import blenderbim.bim.helper
 import blenderbim.bim.module.sequence.helper as helper
@@ -132,7 +133,7 @@ class Sequence(blenderbim.core.tool.Sequence):
             props.editing_type = "TASKS"
 
     @classmethod
-    def create_task_tree(cls, work_schedule):
+    def load_task_tree(cls, work_schedule):
         bpy.context.scene.BIMTaskTreeProperties.tasks.clear()
         props = bpy.context.scene.BIMWorkScheduleProperties
         cls.contracted_tasks = json.loads(props.contracted_tasks)
@@ -143,10 +144,30 @@ class Sequence(blenderbim.core.tool.Sequence):
 
     @classmethod
     def get_sorted_tasks_ids(cls, tasks):
-        cls.sort_keys = {task.id(): cls.get_sort_key(task) for task in tasks}
-        related_object_ids = sorted(cls.sort_keys, key=cls.natural_sort_key)
+        def get_sort_key(task):
+            # Sorting only applies to actual tasks, not the WBS
+            # for rel in task.IsNestedBy:
+            #     for object in rel.RelatedObjects:
+            #         if object.is_a("IfcTask"):
+            #             return "0000000000" + (task.Identification or "")
+            column_type, name = bpy.context.scene.BIMWorkScheduleProperties.sort_column.split(".")
+            if column_type == "IfcTask":
+                return task.get_info(task)[name] or ""
+            elif column_type == "IfcTaskTime" and task.TaskTime:
+                return task.TaskTime.get_info(task)[name]
+            return task.Identification or ""
+
+        def natural_sort_key(i, _nsre=re.compile("([0-9]+)")):
+            s = sort_keys[i]
+            return [int(text) if text.isdigit() else text.lower() for text in _nsre.split(s)]
+
+        if bpy.context.scene.BIMWorkScheduleProperties.sort_column:
+            sort_keys = {task.id(): get_sort_key(task) for task in tasks}
+            related_object_ids = sorted(sort_keys, key=natural_sort_key)
+        else:
+            related_object_ids = [task.id() for task in tasks]
         if bpy.context.scene.BIMWorkScheduleProperties.is_sort_reversed:
-            return related_object_ids.reverse()
+            related_object_ids.reverse()
         return related_object_ids
 
     @classmethod
@@ -162,27 +183,6 @@ class Sequence(blenderbim.core.tool.Sequence):
                 for related_object_id in cls.get_sorted_tasks_ids(ifcopenshell.util.sequence.get_nested_tasks(task)):
                     cls.create_new_task_li(related_object_id, level_index + 1)
 
-    @classmethod
-    def natural_sort_key(cls, i, _nsre=re.compile("([0-9]+)")):
-        s = cls.sort_keys[i]
-        return [int(text) if text.isdigit() else text.lower() for text in _nsre.split(s)]
-
-    @classmethod
-    def get_sort_key(cls, task):
-        # Sorting only applies to actual tasks, not the WBS
-        for rel in task.IsNestedBy:
-            for object in rel.RelatedObjects:
-                if object.is_a("IfcTask"):
-                    return "0000000000" + (task.Identification or "")
-        if not bpy.context.scene.BIMWorkScheduleProperties.sort_column:
-            return task.Identification or ""
-        column_type, name = bpy.context.scene.BIMWorkScheduleProperties.sort_column.split(".")
-        if column_type == "IfcTask":
-            return task.Name or ""
-        elif column_type == "IfcTaskTime" and task.TaskTime:
-            return task.TaskTime.Name or ""
-        return task.Identification or ""
-
     @classmethod
     def load_task_properties(cls, task=None):
         def canonicalise_time(time):
@@ -330,7 +330,7 @@ class Sequence(blenderbim.core.tool.Sequence):
         blenderbim.bim.helper.import_attributes2(task, props.task_attributes)
 
     @classmethod
-    def enable_editing_task(cls, task):
+    def enable_editing_task_attributes(cls, task):
         props = bpy.context.scene.BIMWorkScheduleProperties
         props.active_task_id = task.id()
         props.editing_task_type = "ATTRIBUTES"
@@ -409,16 +409,15 @@ class Sequence(blenderbim.core.tool.Sequence):
     def load_task_resources(cls, resources):
         props = bpy.context.scene.BIMWorkScheduleProperties
         props.task_resources.clear()
-        if resources:
-            for resource in resources:
-                new = props.task_resources.add()
-                new.ifc_definition_id = resource.id()
-                new.name = resource.Name or "Unnamed"
-                new.schedule_usage = resource.Usage.ScheduleUsage or 1 if resource.Usage else 0
+        for resource in resources or []:
+            new = props.task_resources.add()
+            new.ifc_definition_id = resource.id()
+            new.name = resource.Name or "Unnamed"
+            new.schedule_usage = resource.Usage.ScheduleUsage or 1 if resource.Usage else 0
 
     @classmethod
     def load_resources(cls):
-        bpy.ops.bim.load_resources()  # remove and refactor
+        blenderbim.core.resource.load_resources(tool.Resource)
 
     @classmethod
     def get_task_inputs(cls, task):
@@ -430,10 +429,22 @@ class Sequence(blenderbim.core.tool.Sequence):
         is_deep = bpy.context.scene.BIMWorkScheduleProperties.show_nested_outputs
         return ifcopenshell.util.sequence.get_task_outputs(task, is_deep)
 
+    @classmethod
+    def are_entities_same_class(cls, entities):
+        if not entities:
+            return False
+        if len(entities) == 1:
+            return True
+        first = entities[0]
+        for entity in entities:
+            if entity.is_a() != first.is_a():
+                return False
+        return True
+
     @classmethod
     def get_task_resources(cls, task):
         is_deep = bpy.context.scene.BIMWorkScheduleProperties.show_nested_resources
-        return ifcopenshell.util.sequence.get_task_resource(task, is_deep)
+        return ifcopenshell.util.sequence.get_task_resources(task, is_deep)
 
     @classmethod
     def load_task_inputs(cls, inputs):
@@ -734,6 +745,8 @@ class Sequence(blenderbim.core.tool.Sequence):
     def remove_task_column(cls, name):
         props = bpy.context.scene.BIMWorkScheduleProperties
         props.columns.remove(props.columns.find(name))
+        if props.sort_column == name:
+            props.sort_column = ""
 
     @classmethod
     def set_task_sort_column(cls, column):
@@ -781,7 +794,7 @@ class Sequence(blenderbim.core.tool.Sequence):
                     bpy.context.scene.BIMWorkScheduleProperties.contracted_tasks = json.dumps(contracted_tasks)
                     expand_ancestors(parent_task)
             work_schedule = cls.get_active_work_schedule()
-            cls.create_task_tree(work_schedule)
+            cls.load_task_tree(work_schedule)
             cls.load_task_properties()
 
         task_props = bpy.context.scene.BIMTaskTreeProperties
@@ -1512,9 +1525,8 @@ class Sequence(blenderbim.core.tool.Sequence):
         webbrowser.open("file://" + os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.html"))
 
     @classmethod
-    def load_product_tasks(cls, product):
+    def load_product_related_tasks(cls, product):
         props = bpy.context.scene.BIMWorkScheduleProperties
-        props.is_task_update_enabled = False
         props.product_input_tasks.clear()
         props.product_output_tasks.clear()
         task_inputs, task_ouputs = ifcopenshell.util.sequence.get_tasks_for_product(product)
@@ -1526,3 +1538,27 @@ class Sequence(blenderbim.core.tool.Sequence):
             new = props.product_output_tasks.add()
             new.name = task.Name or "Unnamed"
             new.ifc_definition_id = task.id()
+
+    @classmethod
+    def get_work_schedule_products(cls, work_schedule):
+        products = []
+        for task in ifcopenshell.util.sequence.get_root_tasks(work_schedule):
+            products.extend(ifcopenshell.util.sequence.get_task_inputs(task, is_deep=True))
+            products.extend(ifcopenshell.util.sequence.get_task_outputs(task, is_deep=True))
+        return products
+
+    @classmethod
+    def has_task_assignments(cls, product, work_schedule=None):
+        task_inputs, task_ouputs = ifcopenshell.util.sequence.get_tasks_for_product(product)
+        if work_schedule:
+            task_inputs = [task for task in task_inputs or [] if cls.get_work_schedule(task) == work_schedule]
+            task_ouputs = [task for task in task_ouputs or [] if cls.get_work_schedule(task) == work_schedule]
+        return bool(task_inputs or task_ouputs)
+
+    @classmethod
+    def is_sorting_enabled(cls):
+        return bpy.context.scene.BIMWorkScheduleProperties.sort_column
+
+    @classmethod
+    def is_sort_reversed(cls):
+        return bpy.context.scene.BIMWorkScheduleProperties.is_sort_reversed

src/blenderbim/test/bim/feature/resource.feature

@@ -241,6 +241,22 @@ Scenario: Remove Resource Quantity
     When I press "bim.remove_resource_quantity(resource={labor_resource})"
     Then nothing happens
 
+Scenario: Add Productivity data
+    Given an empty IFC project
+    When I press "bim.load_resources"
+    When I press "bim.add_resource(ifc_class="IfcCrewResource")"
+    And the variable "crew_resource" is "IfcStore.get_file().by_type('IfcCrewResource')[0].id()" 
+    When I press "bim.add_resource(ifc_class="IfcLaborResource", parent_resource={crew_resource})"
+    And the variable "labor_resource" is "IfcStore.get_file().by_type('IfcLaborResource')[0].id()" 
+    And I set "scene.BIMResourceProperties.active_resource_index" to "1"
+    And I set "scene.BIMResourceProperties.should_show_productivity" to "True"
+    And I set "scene.BIMResourceProductivity.quantity_produced" to "5.00"
+    And I set "scene.BIMResourceProductivity.quantity_produced_name" to "GrossSideArea"
+    And I set "scene.BIMResourceProductivity.quantity_consumed[0].hours" to "5"
+    When I press "bim.edit_productivity_data()"
+    And the variable "productivity_data" is "IfcStore.get_file().by_type('IfcPropertySet')[-1].id()"
+
+
 Scenario: Calculate Resource Work
     Given an empty IFC project
     And I press "bim.add_work_schedule"
@@ -248,7 +264,7 @@ Scenario: Calculate Resource Work
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes.get('PredefinedType').enum_value" to "CONSTRUCTION"
     And I press "bim.edit_task"
     And I press "bim.enable_editing_task_time(task={task})"
@@ -261,12 +277,23 @@ Scenario: Calculate Resource Work
     And I press "bim.assign_class"
     And the object "IfcWall/Cube" is selected
     And I set "active_object.PsetProperties.qto_name" to "Qto_WallBaseQuantities"
-    When I press "bim.add_pset(obj='IfcWall/Cube', obj_type='Object')"
-    And the variable "qto" is "{ifc}.by_type('IfcElementQuantity')[-1].id()"
-    And I press "bim.enable_pset_editing(obj='IfcWall/Cube', obj_type='Object', pset_id={qto})"
-    #And I set "active_object.PsetProperties.properties[2].metadata.float_value" to "3.00"
-    # TO DO: complete
-    Then nothing happens
+    When I press "bim.add_qto(obj='IfcWall/Cube', obj_type='Object')"
+    And I set "active_object.PsetProperties.properties[5].metadata.float_value" to "50.00"
+    And I press "bim.edit_pset(obj='IfcWall/Cube', obj_type='Object')"
+    When I press "bim.load_resources"
+    When I press "bim.add_resource(ifc_class="IfcCrewResource")"
+    And the variable "crew_resource" is "IfcStore.get_file().by_type('IfcCrewResource')[0].id()" 
+    When I press "bim.add_resource(ifc_class="IfcLaborResource", parent_resource={crew_resource})"
+    And the variable "labor_resource" is "IfcStore.get_file().by_type('IfcLaborResource')[0].id()" 
+    And I set "scene.BIMResourceProperties.active_resource_index" to "1"
+    And I set "scene.BIMResourceProperties.should_show_productivity" to "True"
+    And I set "scene.BIMResourceProductivity.quantity_produced" to "5.00"
+    And I set "scene.BIMResourceProductivity.quantity_produced_name" to "GrossSideArea"
+    And I set "scene.BIMResourceProductivity.quantity_consumed[0].hours" to "5"
+    When I press "bim.edit_productivity_data()"
+    And the variable "productivity_data" is "IfcStore.get_file().by_type('IfcPropertySet')[-1].id()" 
+    When I press "bim.calculate_resource_work(resource={labor_resource})"
+    Then nothing happens    
 
 
 Scenario: Assign Resource

src/blenderbim/test/bim/feature/sequence.feature

@@ -225,7 +225,7 @@ Scenario: Enable editing task
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    When I press "bim.enable_editing_task(task={task})"
+    When I press "bim.enable_editing_task_attributes(task={task})"
     Then nothing happens
 
 Scenario: Copy task attribute
@@ -236,7 +236,7 @@ Scenario: Copy task attribute
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes[2].string_value" to "Foo"
     When I set "scene.BIMTaskTreeProperties.tasks[1].is_selected" to "True"
     And I press "bim.copy_task_attribute(name='Description')"
@@ -253,7 +253,7 @@ Scenario: Unassign task Successor
     And the variable "nested_task_one" is "IfcStore.get_file().by_type('IfcTask')[1].id()"
     When I press "bim.add_task(task={task})"
     And the variable "nested_task_two" is "IfcStore.get_file().by_type('IfcTask')[2].id()"
-    And I press "bim.enable_editing_task(task={nested_task_one})"
+    And I press "bim.enable_editing_task_attributes(task={nested_task_one})"
     And I press "bim.assign_successor(task={nested_task_two})"
     When I press "bim.unassign_successor(task={nested_task_two})"
     Then nothing happens
@@ -269,7 +269,7 @@ Scenario: Edit time Lag
     And the variable "nested_task_one" is "IfcStore.get_file().by_type('IfcTask')[1].id()"
     When I press "bim.add_task(task={task})"
     And the variable "nested_task_two" is "IfcStore.get_file().by_type('IfcTask')[2].id()"
-    And I press "bim.enable_editing_task(task={nested_task_one})"
+    And I press "bim.enable_editing_task_attributes(task={nested_task_one})"
     When I press "bim.assign_successor(task={nested_task_two})"
     And the variable "rel_sequence" is "IfcStore.get_file().by_type('IfcRelSequence')[0].id()"
     When I press "bim.assign_lag_time(sequence={rel_sequence})"
@@ -290,7 +290,7 @@ Scenario: Unassign time Lag
     And the variable "nested_task_one" is "IfcStore.get_file().by_type('IfcTask')[1].id()"
     When I press "bim.add_task(task={task})"
     And the variable "nested_task_two" is "IfcStore.get_file().by_type('IfcTask')[2].id()"
-    And I press "bim.enable_editing_task(task={nested_task_one})"
+    And I press "bim.enable_editing_task_attributes(task={nested_task_one})"
     When I press "bim.assign_successor(task={nested_task_two})"
     And the variable "rel_sequence" is "IfcStore.get_file().by_type('IfcRelSequence')[0].id()"
     When I press "bim.assign_lag_time(sequence={rel_sequence})"
@@ -309,7 +309,7 @@ Scenario: Edit Sequence Relationship
     And the variable "nested_task_one" is "IfcStore.get_file().by_type('IfcTask')[1].id()"
     When I press "bim.add_task(task={task})"
     And the variable "nested_task_two" is "IfcStore.get_file().by_type('IfcTask')[2].id()"
-    And I press "bim.enable_editing_task(task={nested_task_one})"
+    And I press "bim.enable_editing_task_attributes(task={nested_task_one})"
     When I press "bim.assign_successor(task={nested_task_two})"
     And the variable "rel_sequence" is "IfcStore.get_file().by_type('IfcRelSequence')[0].id()"
     And I press "bim.enable_editing_sequence_attributes(sequence={rel_sequence})"
@@ -340,7 +340,7 @@ Scenario: Animate the construction of a wall
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes.get('PredefinedType').enum_value" to "CONSTRUCTION"
     And I press "bim.edit_task"
     And I press "bim.enable_editing_task_time(task={task})"
@@ -376,7 +376,7 @@ Scenario: Animate the demolition of a wall
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes.get('PredefinedType').enum_value" to "DEMOLITION"
     And I press "bim.edit_task"
     And I press "bim.enable_editing_task_time(task={task})"
@@ -415,7 +415,7 @@ Scenario: Animate the operation of a wall
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes.get('PredefinedType').enum_value" to "OPERATION"
     And I press "bim.edit_task"
     And I press "bim.enable_editing_task_time(task={task})"
@@ -448,7 +448,7 @@ Scenario: Animate the movement of a wall
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes.get('PredefinedType').enum_value" to "MOVE"
     And I press "bim.edit_task"
     And I press "bim.enable_editing_task_time(task={task})"
@@ -539,7 +539,7 @@ Scenario: Generate Gantt Chart
     And I press "bim.enable_editing_work_schedule_tasks(work_schedule={work_schedule})"
     And I press "bim.add_summary_task(work_schedule={work_schedule})"
     And the variable "task" is "IfcStore.get_file().by_type('IfcTask')[0].id()"
-    And I press "bim.enable_editing_task(task={task})"
+    And I press "bim.enable_editing_task_attributes(task={task})"
     And I set "scene.BIMWorkScheduleProperties.task_attributes.get('PredefinedType').enum_value" to "CONSTRUCTION"
     And I press "bim.edit_task"
     And I press "bim.enable_editing_task_time(task={task})"
@@ -788,7 +788,7 @@ Scenario: Duplicate Task
     And the variable "nested_task_one" is "IfcStore.get_file().by_type('IfcTask')[1].id()"
     When I press "bim.add_task(task={task})"
     And the variable "nested_task_two" is "IfcStore.get_file().by_type('IfcTask')[2].id()"
-    And I press "bim.enable_editing_task(task={nested_task_one})"
+    And I press "bim.enable_editing_task_attributes(task={nested_task_one})"
     And I press "bim.assign_successor(task={nested_task_two})"
     When I press "bim.duplicate_task(task={task})"
     Then nothing happens
@@ -804,7 +804,7 @@ Scenario: Duplicate Task and edit sequence Relationship
     And the variable "nested_task_one" is "IfcStore.get_file().by_type('IfcTask')[1].id()"
     When I press "bim.add_task(task={task})"
     And the variable "nested_task_two" is "IfcStore.get_file().by_type('IfcTask')[2].id()"
-    And I press "bim.enable_editing_task(task={nested_task_one})"
+    And I press "bim.enable_editing_task_attributes(task={nested_task_one})"
     And I press "bim.assign_successor(task={nested_task_two})"
     And I press "bim.duplicate_task(task={task})"
     When I press "bim.enable_editing_task_sequence(task={nested_task_one})"

src/blenderbim/test/bim/test_feature.py

@@ -751,6 +751,14 @@ def saving_sample_test_files(and_open_in_blender=None):
     bpy.ops.wm.save_as_mainfile(filepath=f"{filepath}.blend")
 
 
+@given(parsers.parse("I load test blend file"))
+@when(parsers.parse("I load test blend file"))
+@then(parsers.parse("I load test blend file"))
+def opening_sample_test_files_in_blender():
+    filepath = f"{variables['cwd']}/test/files/temp/sample_test_file.blend"
+    bpy.ops.wm.open_mainfile(filepath=filepath, display_file_selector=False)
+
+
 # TODO: merge to single fixture with `saving_sample_test_files`; add "and wait"
 @given(parsers.parse("I save sample test files and open in blender"))
 @when(parsers.parse("I save sample test files and open in blender"))

src/blenderbim/test/tool/test_project.py

@@ -127,8 +127,8 @@ class TestSetDefaultModelingDimensions(NewFile):
         ifcopenshell.api.run("unit.assign_unit", ifc)
         subject.set_default_modeling_dimensions()
         props = bpy.context.scene.BIMModelProperties
-        assert props.extrusion_depth == 3000
-        assert props.length == 1000
+        assert props.extrusion_depth == 3
+        assert props.length == 1
         assert props.rl1 == 0
         assert props.rl2 == 1000
         assert props.x == 500

src/ifcopenshell-python/ifcopenshell/api/geometry/add_railing_representation.py

@@ -19,11 +19,11 @@
 import ifcopenshell.util.unit
 from ifcopenshell.util.shape_builder import ShapeBuilder, V
 from itertools import chain
-from mathutils import Vector
+from mathutils import Vector, Matrix
 import collections
 import mathutils
 from pprint import pprint
-from math import pi, cos, sin, tan
+from math import pi, cos, sin, tan, radians
 
 
 def mm(x):
@@ -75,7 +75,8 @@ class Usecase:
         railing_radius = self.settings["railing_diameter"] / 2
         support_spacing = self.settings["support_spacing"]
         clear_width = self.settings["clear_width"]
-        height = self.settings["height"]
+        # for calculations purposes we use height without railing radius
+        height = self.settings["height"] - railing_radius
         cap_type = self.settings["terminal_type"]
         ifc_context = self.settings["context"]
         railing_coords = self.settings["railing_path"]
@@ -106,8 +107,11 @@ class Usecase:
             solid = builder.create_swept_disk_solid(polyline, support_radius)
 
             support_disk_circle = builder.circle(radius=support_disk_radius)
+
+            angle = V(0, 1).angle_signed(ortho_dir.xy)
+            y_extrusion_kwargs = builder.rotate_extrusion_kwargs_by_z(builder.extrude_by_y_kwargs(), angle)
             support_disk = builder.extrude(
-                support_disk_circle, support_disk_depth, position=support_points[-1], **builder.extrude_by_y_kwargs()
+                support_disk_circle, support_disk_depth, position=support_points[-1], **y_extrusion_kwargs
             )
             return [solid, support_disk]
 
@@ -127,7 +131,7 @@ class Usecase:
             )[0]
 
             midpointco = center + ((fillet_v1co.lerp(fillet_v2co, 0.5) - center).normalized() * radius)
-            return fillet_v1co, midpointco, fillet_v2co
+            return [fillet_v1co, midpointco, fillet_v2co]
 
         def add_arcs_on_turnings_points(base_points):
             """add 3 point fillet arcs on turning points of the railing path"""
@@ -204,12 +208,54 @@ class Usecase:
             # TODO: implement more cap types
             railing_coords_for_cap = railing_coords[::-1] if start else railing_coords
 
-            start = railing_coords_for_cap[-1]
+            start_point = railing_coords_for_cap[-1]
             cap_dir = (railing_coords_for_cap[-1] - railing_coords_for_cap[-2]).xy.to_3d().normalized()
-            arc_point = start + cap_dir * terminal_radius + terminal_radius * z_down
-            arc_points.append(arc_point)
-            cap_coords = [arc_point, start + terminal_radius * 2 * z_down]
+            ortho_dir = (cap_dir.yx * V(1, -1)).to_3d().normalized()
+            if start:
+                ortho_dir = -ortho_dir
 
+            arc_middle_point_cos = sin(radians(45))
+            
+            if cap_type in ('180', 'TO_END_POST'):
+                arc_point = start_point + cap_dir * terminal_radius + terminal_radius * z_down
+                arc_points.append(arc_point)
+                cap_coords = [arc_point, start_point + terminal_radius * 2 * z_down]
+
+                if cap_type == 'TO_END_POST':
+                    end_point = railing_coords_for_cap[-2].copy()
+                    end_point.z -= terminal_radius * 2
+                    cap_coords.append(end_point)
+            
+            elif cap_type == 'TO_WALL':
+                arc_point = start_point + cap_dir * clear_width * arc_middle_point_cos + ortho_dir * clear_width * (1-arc_middle_point_cos)
+                arc_points.append(arc_point)
+                cap_coords = [arc_point, start_point + ortho_dir * clear_width + cap_dir * clear_width]
+
+            elif cap_type == 'TO_FLOOR':
+                arc_point = start_point + cap_dir * terminal_radius * arc_middle_point_cos + z_down * terminal_radius * (1-arc_middle_point_cos)
+                arc_points.append(arc_point)
+                arc_end = start_point + cap_dir * terminal_radius + terminal_radius * z_down
+                cap_coords = [
+                    arc_point, 
+                    arc_end,
+                    arc_end+z_down*(height-terminal_radius),
+                ]
+
+            elif cap_type == 'TO_END_POST_AND_FLOOR':
+                first_arc_end = start_point + cap_dir * terminal_radius + terminal_radius * z_down
+                first_arc_coords = get_fillet_points(
+                    start_point, start_point + cap_dir * terminal_radius, 
+                    first_arc_end, terminal_radius)
+                arc_points.append(first_arc_coords[1])
+
+                end_point = railing_coords_for_cap[-2].copy()
+                end_point.z -= height
+                second_arc_coords = get_fillet_points(
+                    first_arc_end, first_arc_end + z_down * terminal_radius, end_point, terminal_radius
+                )
+                arc_points.append(second_arc_coords[1])
+                cap_coords = [start_point] + first_arc_coords + second_arc_coords + [end_point]
+                
             railing_coords = railing_coords_for_cap + cap_coords
 
             if start:
@@ -219,8 +265,9 @@ class Usecase:
         items_3d.extend(create_supports_items(railing_coords, manual_supports=use_manual_supports))
         railing_coords = add_arcs_on_turnings_points(railing_coords)
 
-        railing_coords, arc_points = add_cap(railing_coords, arc_points, start=True)
-        railing_coords, arc_points = add_cap(railing_coords, arc_points, start=False)
+        if cap_type != 'NONE':
+            railing_coords, arc_points = add_cap(railing_coords, arc_points, start=True)
+            railing_coords, arc_points = add_cap(railing_coords, arc_points, start=False)
 
         railing_path = builder.polyline(
             railing_coords, closed=False, arc_points=[railing_coords.index(p) for p in arc_points]

src/ifcopenshell-python/ifcopenshell/api/resource/add_resource.py

@@ -21,7 +21,12 @@ import ifcopenshell.api
 
 class Usecase:
     def __init__(
-        self, file, parent_resource=None, ifc_class="IfcCrewResource", name=None, predefined_type="NOTDEFINED"
+        self,
+        file,
+        parent_resource=None,
+        ifc_class="IfcCrewResource",
+        name=None,
+        predefined_type="NOTDEFINED",
     ):
         """Add a new construction resource
 

src/ifcopenshell-python/ifcopenshell/api/resource/calculate_resource_work.py

@@ -20,6 +20,7 @@ import math
 import ifcopenshell.api
 import ifcopenshell.util.date
 import ifcopenshell.util.element
+import ifcopenshell.util.resource
 
 
 class Usecase:
@@ -59,28 +60,10 @@ class Usecase:
         self.settings = {"resource": resource}
 
     def execute(self):
-        self.productivity = ifcopenshell.util.element.get_psets(
+        amount_worked = ifcopenshell.util.resource.get_resource_required_work(
             self.settings["resource"]
-        ).get("EPset_Productivity", None)
-        if not self.productivity:
-            # Proposal for Schema - If instance doesn't have any productivity, use the parent's productivity - if any.
-            if not self.settings["resource"].Nests:
-                return
-            else:
-                parent_resource = self.settings["resource"].Nests[0].RelatingObject
-                self.productivity = ifcopenshell.util.element.get_psets(
-                    parent_resource
-                ).get("EPset_Productivity", None)
-                if not self.productivity:
-                    return
-
-        unit_consumed = self.get_unit_consumed()
-        self.unit_produced_name = self.productivity.get(
-            "BaseQuantityProducedName", None
         )
-        unit_produced = self.productivity.get("BaseQuantityProducedValue", None)
-        total_produced = self.get_total_produced()
-        if not unit_consumed or not unit_produced or not total_produced:
+        if not amount_worked:
             return
         if not self.settings["resource"].Usage:
             ifcopenshell.api.run(
@@ -88,37 +71,4 @@ class Usecase:
                 self.file,
                 resource=self.settings["resource"],
             )
-        if "T" in self.productivity.get("BaseQuantityConsumed", None):
-            seconds = (unit_consumed.days * 24 * 60 * 60) + unit_consumed.seconds
-            amount_worked = total_produced / unit_produced * seconds
-            self.settings[
-                "resource"
-            ].Usage.ScheduleWork = f"PT{amount_worked / 60 / 60}H"
-        else:
-            days = unit_consumed.days + (unit_consumed.seconds / (24 * 60 * 60))
-            amount_worked = total_produced / unit_produced * days
-            self.settings["resource"].Usage.ScheduleWork = f"P{amount_worked}D"
-
-    def get_unit_consumed(self):
-        duration = self.productivity.get("BaseQuantityConsumed", None)
-        if not duration:
-            return
-        return ifcopenshell.util.date.ifc2datetime(duration)
-
-    def get_total_produced(self):
-        total = 0
-        for rel in self.settings["resource"].HasAssignments or []:
-            if not rel.is_a("IfcRelAssignsToProcess"):
-                continue
-            for rel2 in rel.RelatingProcess.HasAssignments or []:
-                if not rel2.is_a("IfcRelAssignsToProduct"):
-                    continue
-                if self.unit_produced_name == "Count":
-                    total += 1
-                else:
-                    psets = ifcopenshell.util.element.get_psets(rel2.RelatingProduct)
-                    for pset in psets.values():
-                        for name, value in pset.items():
-                            if name == self.unit_produced_name:
-                                total += float(value)
-        return total
+        self.settings["resource"].Usage.ScheduleWork = amount_worked

src/ifcopenshell-python/ifcopenshell/api/resource/edit_resource_quantity.py

@@ -51,7 +51,10 @@ class Usecase:
                 physical_quantity=time, attributes={"TimeValue": 8.0})
         """
         self.file = file
-        self.settings = {"physical_quantity": physical_quantity, "attributes": attributes or {}}
+        self.settings = {
+            "physical_quantity": physical_quantity,
+            "attributes": attributes or {},
+        }
 
     def execute(self):
         for name, value in self.settings["attributes"].items():

src/ifcopenshell-python/ifcopenshell/api/sequence/duplicate_task.py

@@ -49,8 +49,9 @@ class Usecase:
         self.settings = {"task": task}
 
     def execute(self):
-        result = ifcopenshell.util.element.copy(self.file, self.settings["task"])
+        result = ifcopenshell.util.element.copy_deep(self.file, self.settings["task"])
         self.copy_indirect_attributes(self.settings["task"], result)
+        self.copy_sequence_relationship([self.settings["task"]], [result])
         return result
 
     def copy_sequence_relationship(self, original_tasks, duplicated_tasks):

src/ifcopenshell-python/ifcopenshell/express/rule_executor.py

@@ -9,7 +9,7 @@ from codegen import indent
 
 def reverse_compile(s):
     return re.sub(
-        "\s*\-\s*EXPRESS_ONE_BASED_INDEXING",
+        r"\s*\-\s*EXPRESS_ONE_BASED_INDEXING",
         "",
         re.sub(
             ", )?+.(, INDETERMINATE)\\"[::-1],

src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py

@@ -216,6 +216,11 @@ def get_bounding_box_center(bbox):
 
 def serialize_shape(shape):
     shapes = BRepTools.BRepTools_ShapeSet()
+
+    # @todo provide method to get ifcopenshell's built-in occt version to
+    # see whether this is necessary
+    shapes.SetFormatNb(2)
+
     shapes.Add(shape)
     return shapes.WriteToString()
 

src/ifcopenshell-python/ifcopenshell/util/element.py

@@ -781,6 +781,18 @@ def remove_deep2(ifc_file, element, also_consider=[], do_not_delete=[]):
         ):
             to_delete.add(subelement)
             subelement_queue.extend(ifc_file.traverse(subelement, max_levels=1)[1:])
+            # See #3052. IfcOpenShell is extremely slow in removing elements if
+            # the element has an inverse, and that inverse references that
+            # element in a big list. The most common example is an
+            # IfcPolygonalFaceSet with a Faces attribute of tens of thousands
+            # of IfcIndexedPolygonalFace. In this situation, removing a
+            # IfcIndexedPolygonalFace will take very, very long. If we are
+            # going to delete an element (i.e. added to the to_delete set), we
+            # clear any large lists (10 is an arbitrary threshold) to prevent
+            # this issue.
+            for i, attribute in enumerate(subelement):
+                if isinstance(attribute, tuple) and len(attribute) > 10:
+                    subelement[i] = []
     # We delete elements from subgraph in reverse order to allow batching to work
     for subelement in filter(lambda e: e in to_delete, subgraph[::-1]):
         ifc_file.remove(subelement)

src/ifcopenshell-python/ifcopenshell/util/resource.py

@@ -0,0 +1,102 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import ifcopenshell.util.element
+import ifcopenshell.util.date
+
+
+def get_productivity(resource, should_inherit=True):
+    productivity = ifcopenshell.util.element.get_psets(
+        resource
+    ).get("EPset_Productivity", None)
+    if should_inherit and not productivity:
+        # Proposal for Schema - If instance doesn't have any productivity, inherit it's parent's productivity
+        if not resource.Nests:
+            return None
+        else:
+            parent_resource = resource.Nests[0].RelatingObject
+            productivity = ifcopenshell.util.element.get_psets(
+                parent_resource
+            ).get("EPset_Productivity", None)
+    return productivity
+
+def get_unit_consumed(productivity):
+    duration = productivity.get("BaseQuantityConsumed", None)
+    if not duration:
+        return
+    return ifcopenshell.util.date.ifc2datetime(duration)
+
+def get_quantity_produced(productivity):
+    if not productivity:
+        return 0
+    return productivity.get("BaseQuantityProducedValue", 0)
+
+def get_quantity_produced_name(productivity):
+    if not productivity:
+        return ""
+    return productivity.get("BaseQuantityProducedName", "")
+
+def get_total_quantity_produced(resource, quantity_name_in_process):
+    def get_product_quantity(product, quantity_name):
+        psets = ifcopenshell.util.element.get_psets(product)
+        for pset in psets.values():
+            for name, value in pset.items():
+                if name == quantity_name:
+                    return float(value)
+
+    total = 0
+    products = get_parametric_resource_products(resource)
+    if quantity_name_in_process == "Count":
+        total = len(products)
+    else:
+        for product in products:
+            total += get_product_quantity(product, quantity_name_in_process)
+    return total
+
+def get_parametric_resource_products(resource):
+    products = []
+    for rel in resource.HasAssignments or []:
+        if not rel.is_a("IfcRelAssignsToProcess"):
+            continue
+        for rel2 in rel.RelatingProcess.HasAssignments or []:
+            if not rel2.is_a("IfcRelAssignsToProduct"):
+                continue
+            products.append(rel2.RelatingProduct)
+    return products
+
+def get_resource_required_work(resource):
+    productivity = get_productivity(resource)
+    if productivity:
+        quantity_produced = get_quantity_produced(productivity)
+        time_consumed = get_unit_consumed(productivity)
+        quantity_name_in_process = get_quantity_produced_name(productivity)
+        total_quantity_to_produce = get_total_quantity_produced(resource, quantity_name_in_process)
+        if not time_consumed or not quantity_produced or not total_quantity_to_produce:
+            return
+        iso_string = ""
+        if "T" in productivity.get("BaseQuantityConsumed", ""):
+            seconds = (time_consumed.days * 24 * 60 * 60) + time_consumed.seconds
+            productivity_ratio = seconds / quantity_produced
+            required_work = total_quantity_to_produce  * productivity_ratio
+            iso_string = f"PT{required_work / 60 / 60}H"
+        else:
+            days = time_consumed.days + (time_consumed.seconds / (24 * 60 * 60))
+            productivity_ratio = days / quantity_produced 
+            required_work = total_quantity_to_produce * productivity_ratio
+            iso_string = f"P{required_work}D"
+        return iso_string

src/ifcopenshell-python/ifcopenshell/util/shape_builder.py

@@ -568,3 +568,18 @@ class ShapeBuilder:
             "position_z_axis": Vector((0, -1, 0)),
             "extrusion_vector": Vector((0, 0, -1)),
         }
+
+    def rotate_extrusion_kwargs_by_z(self, kwargs, angle, counter_clockwise=False):
+        """shortcut to rotate extrusion kwargs by z axis
+
+        `kwargs` expected to have `position_x_axis` and `position_z_axis` keys
+
+        `angle` is a rotation value in radians
+
+        by default rotation is clockwise, to make it counter clockwise use `counter_clockwise` flag
+        """
+        rot = Matrix.Rotation(-angle, 3, "Z")
+        kwargs = kwargs.copy()  # prevent mutation of original kwargs
+        kwargs["position_x_axis"].rotate(rot)
+        kwargs["position_z_axis"].rotate(rot)
+        return kwargs

src/ifcparse/IfcParse.cpp

@@ -2600,7 +2600,7 @@ std::pair<IfcUtil::IfcBaseClass*, double> IfcFile::getUnit(const std::string& un
 					);
 
 					IfcUtil::IfcBaseClass* unc = *mu->data().getArgument(
-						mu->declaration().as_entity()->attribute_index("ValueComponent")
+						mu->declaration().as_entity()->attribute_index("UnitComponent")
 					);
 
 					return_value.second *= static_cast<double>(*vlc->data().getArgument(0));

src/opencdeserver/requirements.txt

@@ -1,6 +1,6 @@
 Authlib==0.15.4
 email-validator==1.1.3
-Flask==2.0.1
+Flask==2.3.2
 Flask-Login==0.5.0
 Flask-SQLAlchemy==2.5.1
 Flask-WTF==0.15.1