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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
548 lines
21 KiB
Python
548 lines
21 KiB
Python
# Bonsai - OpenBIM Blender Add-on
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# Copyright (C) 2023 @Andrej730
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#
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# This file is part of Bonsai.
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#
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# Bonsai is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Bonsai is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Bonsai. If not, see <http://www.gnu.org/licenses/>.
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import bpy
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import json
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import bmesh
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import collections
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import ifcopenshell
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import bonsai.tool as tool
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import bonsai.core.root
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import bonsai.core.geometry
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from ifcopenshell.api.geometry.add_window_representation import DEFAULT_PANEL_SCHEMAS
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import ifcopenshell.api
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import ifcopenshell.util.element
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import ifcopenshell.util.representation
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import ifcopenshell.util.shape_builder
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import ifcopenshell.util.unit
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from ifcopenshell.util.shape_builder import V
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from bmesh.types import BMVert
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from mathutils import Vector
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def update_window_modifier_representation(context, obj):
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element = tool.Ifc.get_entity(obj)
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props = obj.BIMWindowProperties
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ifc_file = tool.Ifc.get()
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si_conversion = ifcopenshell.util.unit.calculate_unit_scale(ifc_file)
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representation_data = {
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"partition_type": props.window_type,
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"overall_height": props.overall_height / si_conversion,
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"overall_width": props.overall_width / si_conversion,
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"lining_properties": {
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"LiningDepth": props.lining_depth / si_conversion,
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"LiningThickness": props.lining_thickness / si_conversion,
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"LiningOffset": props.lining_offset / si_conversion,
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"LiningToPanelOffsetX": props.lining_to_panel_offset_x / si_conversion,
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"LiningToPanelOffsetY": props.lining_to_panel_offset_y / si_conversion,
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"MullionThickness": props.mullion_thickness / si_conversion,
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"FirstMullionOffset": props.first_mullion_offset / si_conversion,
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"SecondMullionOffset": props.second_mullion_offset / si_conversion,
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"TransomThickness": props.transom_thickness / si_conversion,
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"FirstTransomOffset": props.first_transom_offset / si_conversion,
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"SecondTransomOffset": props.second_transom_offset / si_conversion,
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},
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"panel_properties": [],
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}
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number_of_panels, panels_data = props.window_types_panels[props.window_type]
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for panel_i in range(number_of_panels):
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panel_data = {
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"FrameDepth": props.frame_depth[panel_i] / si_conversion,
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"FrameThickness": props.frame_thickness[panel_i] / si_conversion,
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}
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representation_data["panel_properties"].append(panel_data)
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previously_active_context = tool.Geometry.get_active_representation_context(obj)
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# ELEVATION_VIEW representation
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profile = ifcopenshell.util.representation.get_context(ifc_file, "Model", "Profile", "ELEVATION_VIEW")
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if profile:
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representation_data["context"] = profile
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elevation_representation = ifcopenshell.api.run(
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"geometry.add_window_representation", ifc_file, **representation_data
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)
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tool.Model.replace_object_ifc_representation(profile, obj, elevation_representation)
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# MODEL_VIEW representation
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# (Model/Body defined only BEFORE Plan/Body to prevent #2744)
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body = ifcopenshell.util.representation.get_context(ifc_file, "Model", "Body", "MODEL_VIEW")
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representation_data["context"] = body
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model_representation = ifcopenshell.api.run("geometry.add_window_representation", ifc_file, **representation_data)
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tool.Model.replace_object_ifc_representation(body, obj, model_representation)
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# PLAN_VIEW representation
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plan = ifcopenshell.util.representation.get_context(ifc_file, "Plan", "Body", "PLAN_VIEW")
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if plan:
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representation_data["context"] = plan
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plan_representation = ifcopenshell.api.run(
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"geometry.add_window_representation", ifc_file, **representation_data
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)
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tool.Model.replace_object_ifc_representation(plan, obj, plan_representation)
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# adding switch representation at the end instead of changing order of representations
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# to prevent #2744
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if tool.Geometry.get_active_representation_context(obj) != previously_active_context:
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previously_active_representation = ifcopenshell.util.representation.get_representation(
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element,
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previously_active_context.ContextType,
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previously_active_context.ContextIdentifier,
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previously_active_context.TargetView,
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)
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bonsai.core.geometry.switch_representation(
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tool.Ifc,
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tool.Geometry,
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obj=obj,
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representation=previously_active_representation,
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should_reload=True,
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is_global=True,
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should_sync_changes_first=True,
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)
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# type attributes
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if tool.Ifc.get_schema() != "IFC2X3":
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element.PartitioningType = props.window_type
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# occurrences attributes
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occurrences = tool.Ifc.get_all_element_occurrences(element)
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for occurrence in occurrences:
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occurrence.OverallWidth = props.overall_width / si_conversion
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occurrence.OverallHeight = props.overall_height / si_conversion
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tool.Model.update_simple_openings(element)
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def create_bm_window_frame(bm, size: Vector, thickness: list, position: Vector = V(0, 0, 0).freeze()):
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"""`thickness` of the profile is defined as list in the following order:
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`(LEFT, TOP, RIGHT, BOTTOM)`
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`thickness` can be also defined just as 1 float value.
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"""
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if not isinstance(thickness, collections.abc.Iterable):
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thickness = [thickness] * 4
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th_left, th_up, th_right, th_bottom = thickness
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width, depth, height = size
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verts = [
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(0, [th_left, 0.0, th_bottom]),
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(1, [width - th_right, 0.0, th_bottom]),
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(2, [th_left, 0.0, height - th_up]),
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(3, [width - th_right, 0.0, height - th_up]),
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(4, [0.0, 0.0, 0.0]),
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(5, [0.0, 0.0, height]),
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(6, [width, 0.0, 0.0]),
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(7, [width, 0.0, height]),
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]
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edges = [
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(0, (0, 1)),
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(1, (2, 3)),
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(2, (4, 5)),
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(3, (6, 7)),
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(4, (7, 5)),
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(5, (1, 3)),
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(6, (4, 6)),
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(7, (0, 2)),
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(8, (2, 5)),
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(9, (3, 7)),
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(10, (4, 0)),
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(11, (1, 6)),
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]
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faces = [
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(0, (5, 7, 3, 2)),
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(1, (2, 0, 4, 5)),
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(2, (6, 4, 0, 1)),
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(3, (6, 1, 3, 7)),
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]
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bm.verts.index_update()
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bm.edges.index_update()
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bm.faces.ensure_lookup_table()
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new_verts = [bm.verts.new(v[1]) for v in verts]
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new_edges = [bm.edges.new([new_verts[vi] for vi in edge[1]]) for edge in edges]
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new_faces = [bm.faces.new([new_verts[vi] for vi in face[1]]) for face in faces]
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extruded = bmesh.ops.extrude_face_region(bm, geom=new_faces)
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extrusion_vector = Vector((0, 1, 0)) * depth
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translate_verts = [v for v in extruded["geom"] if isinstance(v, BMVert)]
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bmesh.ops.translate(bm, vec=extrusion_vector, verts=translate_verts)
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bmesh.ops.translate(bm, vec=position, verts=new_verts + translate_verts)
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return new_verts + translate_verts
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def create_bm_box(bm, size: Vector = V(1, 1, 1).freeze(), position: Vector = V(0, 0, 0).freeze()):
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"""create a box of `size`, position box first vertex at `position`"""
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box_verts = bmesh.ops.create_cube(bm, size=1)["verts"]
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bmesh.ops.translate(bm, vec=-box_verts[0].co, verts=box_verts)
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bmesh.ops.scale(bm, vec=size, verts=box_verts)
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bmesh.ops.translate(bm, vec=position, verts=box_verts)
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return box_verts
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def create_bm_window(
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bm,
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lining_size: Vector,
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lining_thickness: list,
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lining_to_panel_offset_x,
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lining_to_panel_offset_y_full,
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frame_size: Vector,
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frame_thickness,
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glass_thickness,
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position: Vector,
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x_offsets: list = None,
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):
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"""`lining_thickness` and `x_offsets` are expected to be defined as a list,
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similarly to `create_bm_window_frame` `thickness` argument"""
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if x_offsets is None:
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x_offsets = [lining_to_panel_offset_x] * 4
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# window lining
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window_lining_verts = create_bm_window_frame(bm, lining_size, lining_thickness)
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# window frame
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frame_position = V(x_offsets[0], lining_to_panel_offset_y_full, x_offsets[3])
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frame_verts = create_bm_window_frame(bm, frame_size, frame_thickness, frame_position)
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# window glass
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glass_size = frame_size - V(frame_thickness * 2, 0, frame_thickness * 2)
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glass_size.y = glass_thickness
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glass_position = frame_position + V(frame_thickness, frame_size.y / 2 - glass_thickness / 2, frame_thickness)
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glass_verts = create_bm_box(bm, glass_size, glass_position)
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translated_verts = window_lining_verts + frame_verts + glass_verts
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bmesh.ops.translate(bm, vec=position, verts=translated_verts)
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return (window_lining_verts, frame_verts, glass_verts)
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def update_window_modifier_bmesh(context):
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obj = context.active_object
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props = obj.BIMWindowProperties
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panel_schema = DEFAULT_PANEL_SCHEMAS[props.window_type]
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accumulated_height = [0] * len(panel_schema[0])
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built_panels = []
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overall_width = props.overall_width
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lining_depth = props.lining_depth
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overall_height = props.overall_height
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lining_to_panel_offset_x = props.lining_to_panel_offset_x
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lining_to_panel_offset_y = props.lining_to_panel_offset_y
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lining_thickness = props.lining_thickness
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lining_offset = props.lining_offset
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mullion_thickness = props.mullion_thickness / 2
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first_mullion_offset = props.first_mullion_offset
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second_mullion_offset = props.second_mullion_offset
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transom_thickness = props.transom_thickness / 2
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first_transom_offset = props.first_transom_offset
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second_transom_offset = props.second_transom_offset
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glass_thickness = 0.01
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bm = bmesh.new()
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panel_schema = list(reversed(panel_schema))
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# TODO: need more readable way to define panel width and height
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unique_rows_in_col = [len(set(row[column_i] for row in panel_schema)) for column_i in range(len(panel_schema[0]))]
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for row_i, panel_row in enumerate(panel_schema):
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accumulated_width = 0
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unique_cols = len(set(panel_row))
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for column_i, panel_i in enumerate(panel_row):
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# detect mullion
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has_mullion = unique_cols > 1
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first_column = column_i == 0
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last_column = column_i == unique_cols - 1
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left_to_mullion = has_mullion and not last_column
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right_to_mullion = has_mullion and not first_column
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# detect transom
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has_transom = unique_rows_in_col[column_i] > 1
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first_row = row_i == 0
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last_row = row_i == unique_rows_in_col[column_i] - 1
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top_to_transom = has_transom and not first_row
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bottom_to_transom = has_transom and not last_row
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# calculate current panel dimensions
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if has_mullion:
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if first_column:
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panel_width = first_mullion_offset
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elif last_column:
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panel_width = overall_width - accumulated_width
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else:
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panel_width = second_mullion_offset - accumulated_width
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else:
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panel_width = overall_width
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if has_transom:
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if first_row:
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panel_height = first_transom_offset
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elif last_row:
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panel_height = overall_height - accumulated_height[column_i]
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else:
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panel_height = second_transom_offset - accumulated_height[column_i]
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else:
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panel_height = overall_height
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if panel_i in built_panels:
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accumulated_height[column_i] += panel_height
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accumulated_width += panel_width
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continue
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frame_depth = props.frame_depth[panel_i]
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frame_thickness = props.frame_thickness[panel_i]
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lining_to_panel_offset_y_full = (lining_depth - frame_depth) + lining_to_panel_offset_y
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# add window
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window_lining_size = V(
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panel_width,
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lining_depth,
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panel_height,
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)
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# calculate lining thickness and frame size / offset
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# taking into account mullions and transoms
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# fmt: off
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window_lining_thickness = [
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mullion_thickness if right_to_mullion else lining_thickness,
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transom_thickness if bottom_to_transom else lining_thickness,
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mullion_thickness if left_to_mullion else lining_thickness,
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transom_thickness if top_to_transom else lining_thickness,
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]
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# x offsets can differ if there are mullions or transoms because we're trying to maintain symmetry
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base_frame_clear = lining_to_panel_offset_x + frame_thickness - lining_thickness
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current_offset_x = base_frame_clear - frame_thickness + mullion_thickness
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current_offset_z = base_frame_clear - frame_thickness + transom_thickness
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# fmt: off
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x_offsets = [
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current_offset_x if right_to_mullion else lining_to_panel_offset_x, # LEFT
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current_offset_z if bottom_to_transom else lining_to_panel_offset_x, # TOP
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current_offset_x if left_to_mullion else lining_to_panel_offset_x, # RIGHT
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current_offset_z if top_to_transom else lining_to_panel_offset_x, # BOTTOM
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]
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# fmt: on
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frame_size = window_lining_size.copy()
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frame_size.y = frame_depth
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frame_size.x -= x_offsets[0] + x_offsets[2]
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frame_size.z -= x_offsets[1] + x_offsets[3]
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window_position = V(accumulated_width, 0, accumulated_height[column_i])
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lining_verts, panel_verts, glass_verts = create_bm_window(
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bm,
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window_lining_size,
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window_lining_thickness,
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lining_to_panel_offset_x,
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lining_to_panel_offset_y_full,
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frame_size,
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frame_thickness,
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glass_thickness,
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window_position,
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x_offsets,
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)
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built_panels.append(panel_i)
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accumulated_height[column_i] += panel_height
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accumulated_width += panel_width
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bmesh.ops.translate(bm, vec=V(0, lining_offset, 0), verts=bm.verts)
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bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
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if bpy.context.active_object.mode == "EDIT":
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bmesh.update_edit_mesh(obj.data)
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else:
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bm.to_mesh(obj.data)
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bm.free()
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obj.data.update()
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class BIM_OT_add_window(bpy.types.Operator, tool.Ifc.Operator):
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bl_idname = "mesh.add_window"
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bl_label = "Window"
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bl_options = {"REGISTER", "UNDO"}
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@classmethod
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def poll(cls, context):
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return tool.Ifc.get() and context.mode == "OBJECT"
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def _execute(self, context):
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ifc_file = tool.Ifc.get()
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if not ifc_file:
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self.report({"ERROR"}, "You need to start IFC project first to create a window.")
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return {"CANCELLED"}
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if context.active_object is not None:
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spawn_location = context.active_object.location.copy()
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context.active_object.select_set(False)
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else:
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spawn_location = bpy.context.scene.cursor.location.copy()
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mesh = bpy.data.meshes.new("IfcWindow")
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obj = bpy.data.objects.new("IfcWindow", mesh)
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obj.location = spawn_location
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element = bonsai.core.root.assign_class(
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tool.Ifc, tool.Collector, tool.Root, obj=obj, ifc_class="IfcWindow", should_add_representation=False
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)
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bonsai.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
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if tool.Ifc.get_schema() != "IFC2X3":
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element.PredefinedType = "WINDOW"
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bpy.ops.object.select_all(action="DESELECT")
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bpy.context.view_layer.objects.active = None
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bpy.context.view_layer.objects.active = obj
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obj.select_set(True)
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bpy.ops.bim.add_window()
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return {"FINISHED"}
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# UI operators
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class AddWindow(bpy.types.Operator, tool.Ifc.Operator):
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bl_idname = "bim.add_window"
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bl_label = "Add Window"
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bl_options = {"REGISTER"}
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obj: bpy.props.StringProperty()
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def _execute(self, context):
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obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
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element = tool.Ifc.get_entity(obj)
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props = obj.BIMWindowProperties
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window_data = props.get_general_kwargs(convert_to_project_units=True)
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lining_props = props.get_lining_kwargs(convert_to_project_units=True)
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panel_props = props.get_panel_kwargs(convert_to_project_units=True)
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window_data["lining_properties"] = lining_props
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window_data["panel_properties"] = panel_props
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pset = tool.Pset.get_element_pset(element, "BBIM_Window")
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if not pset:
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pset = ifcopenshell.api.run("pset.add_pset", tool.Ifc.get(), product=element, name="BBIM_Window")
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ifcopenshell.api.run(
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"pset.edit_pset",
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tool.Ifc.get(),
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pset=pset,
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|
properties={"Data": tool.Ifc.get().createIfcText(json.dumps(window_data, default=list))},
|
|
)
|
|
update_window_modifier_representation(context, obj)
|
|
return {"FINISHED"}
|
|
|
|
|
|
class CancelEditingWindow(bpy.types.Operator, tool.Ifc.Operator):
|
|
bl_idname = "bim.cancel_editing_window"
|
|
bl_label = "Cancel Editing Window"
|
|
bl_options = {"REGISTER"}
|
|
|
|
def _execute(self, context):
|
|
obj = context.active_object
|
|
element = tool.Ifc.get_entity(obj)
|
|
data = json.loads(ifcopenshell.util.element.get_pset(element, "BBIM_Window", "Data"))
|
|
data.update(data.pop("lining_properties"))
|
|
data.update(data.pop("panel_properties"))
|
|
props = obj.BIMWindowProperties
|
|
props.set_props_kwargs_from_ifc_data(data)
|
|
|
|
body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
|
|
bonsai.core.geometry.switch_representation(
|
|
tool.Ifc,
|
|
tool.Geometry,
|
|
obj=obj,
|
|
representation=body,
|
|
should_reload=True,
|
|
is_global=True,
|
|
should_sync_changes_first=False,
|
|
)
|
|
|
|
props.is_editing = False
|
|
return {"FINISHED"}
|
|
|
|
|
|
class FinishEditingWindow(bpy.types.Operator, tool.Ifc.Operator):
|
|
bl_idname = "bim.finish_editing_window"
|
|
bl_label = "Finish Editing Window"
|
|
bl_options = {"REGISTER"}
|
|
|
|
def _execute(self, context):
|
|
obj = context.active_object
|
|
element = tool.Ifc.get_entity(obj)
|
|
props = obj.BIMWindowProperties
|
|
|
|
window_data = props.get_general_kwargs(convert_to_project_units=True)
|
|
lining_props = props.get_lining_kwargs(convert_to_project_units=True)
|
|
panel_props = props.get_panel_kwargs(convert_to_project_units=True)
|
|
|
|
window_data["lining_properties"] = lining_props
|
|
window_data["panel_properties"] = panel_props
|
|
|
|
props.is_editing = False
|
|
|
|
update_window_modifier_representation(context, obj)
|
|
|
|
pset = tool.Pset.get_element_pset(element, "BBIM_Window")
|
|
window_data = tool.Ifc.get().createIfcText(json.dumps(window_data, default=list))
|
|
ifcopenshell.api.run("pset.edit_pset", tool.Ifc.get(), pset=pset, properties={"Data": window_data})
|
|
return {"FINISHED"}
|
|
|
|
|
|
class EnableEditingWindow(bpy.types.Operator, tool.Ifc.Operator):
|
|
bl_idname = "bim.enable_editing_window"
|
|
bl_label = "Enable Editing Window"
|
|
bl_options = {"REGISTER"}
|
|
|
|
def _execute(self, context):
|
|
obj = context.active_object
|
|
props = obj.BIMWindowProperties
|
|
element = tool.Ifc.get_entity(obj)
|
|
data = json.loads(ifcopenshell.util.element.get_pset(element, "BBIM_Window", "Data"))
|
|
data.update(data.pop("lining_properties"))
|
|
data.update(data.pop("panel_properties"))
|
|
|
|
# required since we could load pset from .ifc and BIMWindowProperties won't be set
|
|
props.set_props_kwargs_from_ifc_data(data)
|
|
|
|
props.is_editing = True
|
|
return {"FINISHED"}
|
|
|
|
|
|
class RemoveWindow(bpy.types.Operator, tool.Ifc.Operator):
|
|
bl_idname = "bim.remove_window"
|
|
bl_label = "Remove Window"
|
|
bl_options = {"REGISTER"}
|
|
|
|
def _execute(self, context):
|
|
obj = context.active_object
|
|
props = obj.BIMWindowProperties
|
|
element = tool.Ifc.get_entity(obj)
|
|
obj.BIMWindowProperties.is_editing = False
|
|
|
|
pset = tool.Pset.get_element_pset(element, "BBIM_Window")
|
|
ifcopenshell.api.run("pset.remove_pset", tool.Ifc.get(), product=element, pset=pset)
|
|
|
|
return {"FINISHED"}
|