Fixed Door modifier initial opening problem #2784

- add check of OverallHeight and OverallWidth for creating openings for doors and windows;
- OverallHeight, OverallWidth update for all the occurences of the type for doors and windows;
- new tool.Ifc method - get_all_element_occurences

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

@@ -106,8 +106,15 @@ def update_door_modifier_representation(context):
             should_sync_changes_first=True,
         )
         
+    # type attributes
     element.OperationType = props.door_type
 
+    # occurences attributes
+    occurences = tool.Ifc.get_all_element_occurences(element)
+    for occurence in occurences:
+        occurence.OverallWidth = props.overall_width
+        occurence.OverallHeight = props.overall_height
+
     update_simple_openings(element, props.overall_width, props.overall_height)
 
 

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

@@ -223,6 +223,15 @@ class FilledOpeningGenerator:
             return shape_builder.get_representation(context, [extrusion])
 
         x, y, z = filling_obj.dimensions
+
+        # Windows and doors can have a casing that overlaps the wall
+        # but shouldn't affect the size of the opening. 
+        # So we shouldn't use object dimensions in that case. More: #2784 
+        # Just keeping it for windows and doors for now to be safe
+        if filling.is_a() in ["IfcWindow", "IfcDoor"]:
+            x = filling.OverallWidth or x
+            z = filling.OverallHeight or z
+
         extrusion = shape_builder.extrude(
             shape_builder.rectangle(size=Vector([x / unit_scale, 0.0, z / unit_scale])),
             magnitude=thickness / unit_scale,

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

@@ -35,6 +35,7 @@ from blenderbim.bim.module.model.prop import store_cursor_position
 from mathutils import Vector, Matrix
 from bpy_extras.object_utils import AddObjectHelper
 from . import prop
+import json
 
 
 def select_and_activate_single_object(context, obj):
@@ -144,6 +145,15 @@ class AddConstrTypeInstance(bpy.types.Operator):
             # Update required as core.type.assign_type may change obj.data
             context.view_layer.update()
 
+        # set occurences properties for the types defined with modifiers
+        if instance_class in ["IfcWindow", "IfcDoor"]:
+            pset_name = f'BBIM_{instance_class[3:]}'
+            bbim_pset = ifcopenshell.util.element.get_psets(element).get(pset_name, None)
+            if bbim_pset:
+                bbim_prop_data = json.loads(bbim_pset['Data'])
+                element.OverallWidth = bbim_prop_data['overall_width']
+                element.OverallHeight = bbim_prop_data['overall_height']
+
         if (
             building_obj
             and building_element

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

@@ -39,15 +39,7 @@ from mathutils import Vector
 def update_simple_openings(element, opening_width, opening_height):
     element_type = None
     ifc_file = tool.Ifc.get()
-    if element.is_a("IfcElementType"):
+    fillings = tool.Ifc.get_all_element_occurences(element)
-        element_type = element
-        fillings = ifcopenshell.util.element.get_types(element_type)
-    else:
-        element_type = ifcopenshell.util.element.get_type(element)
-        if element_type:
-            fillings = ifcopenshell.util.element.get_types(element_type)
-        else:
-            fillings = [element]
 
     voided_objs = set()
     has_replaced_opening_representation = False
@@ -176,8 +168,15 @@ def update_window_modifier_representation(context):
             should_sync_changes_first=True,
         )
 
+    # type attributes
     element.PartitioningType = props.window_type
 
+    # occurences attributes
+    occurences = tool.Ifc.get_all_element_occurences(element)
+    for occurence in occurences:
+        occurence.OverallWidth = props.overall_width
+        occurence.OverallHeight = props.overall_height
+
     update_simple_openings(element, props.overall_width, props.overall_height)
 
 

src/blenderbim/blenderbim/core/tool.py

@@ -346,6 +346,7 @@ class Ifc:
     def run(cls, command, **kwargs): pass
     def set(cls, ifc): pass
     def unlink(cls, element=None, obj=None): pass
+    def get_all_element_occurences(cls, element): pass
 
 
 @interface

src/blenderbim/blenderbim/tool/ifc.py

@@ -100,6 +100,23 @@ class Ifc(blenderbim.core.tool.Ifc):
     def unlink(cls, element=None, obj=None):
         IfcStore.unlink_element(element, obj)
 
+    @classmethod
+    def get_all_element_occurences(cls, element):
+        if element.is_a("IfcElementType"):
+            element_type = element
+            occurences = ifcopenshell.util.element.get_types(element_type)
+        else:
+            element_type = ifcopenshell.util.element.get_type(element)
+            if element_type:
+                occurences = ifcopenshell.util.element.get_types(element_type)
+            else:
+                occurences = [element]
+        return occurences
+
+    @classmethod
+    def unlink(cls, element=None, obj=None):
+        IfcStore.unlink_element(element, obj)
+
     class Operator:
         def execute(self, context):
             IfcStore.execute_ifc_operator(self, context)