mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-10-02 21:12:07 +00:00
You can now automagically convert meshes into rectangular solid extrusions
This commit is contained in:
Dion Moult
@@ -19,11 +19,11 @@ from blenderbim.bim.module.void.data import Data as VoidData
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from mathutils import Vector
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def get_box_context_id():
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def get_context_id(context_type, context_identifier, target_view):
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for context in ContextData.contexts.values():
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if context["ContextType"] == "Model":
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if context["ContextType"] == context_type:
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for i, subcontext in context["HasSubContexts"].items():
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if subcontext["ContextIdentifier"] == "Box" and subcontext["TargetView"] == "MODEL_VIEW":
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if subcontext["ContextIdentifier"] == context_identifier and subcontext["TargetView"] == target_view:
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return i
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@@ -120,7 +120,7 @@ class AddRepresentation(bpy.types.Operator):
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print("Failed to write shape representation")
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return {"FINISHED"}
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box_context_id = get_box_context_id()
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box_context_id = get_context_id("Model", "Box", "MODEL_VIEW")
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if (
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box_context_id
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and context_of_items.ContextType == "Model"
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@@ -306,6 +306,7 @@ class UpdateMeshRepresentation(bpy.types.Operator):
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bl_idname = "bim.update_mesh_representation"
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bl_label = "Update Mesh Representation"
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obj: bpy.props.StringProperty()
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ifc_representation_type: bpy.props.StringProperty()
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def execute(self, context):
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if not ContextData.is_loaded:
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@@ -315,81 +316,81 @@ class UpdateMeshRepresentation(bpy.types.Operator):
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self.file = IfcStore.get_file()
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for obj in objs:
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bpy.ops.bim.edit_object_placement(obj=obj.name)
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product = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
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if product.is_a("IfcGridAxis"):
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create_axis_curve.Usecase(self.file, {"AxisCurve": obj, "grid_axis": product}).execute()
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continue
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old_representation = self.file.by_id(obj.data.BIMMeshProperties.ifc_definition_id)
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context_of_items = old_representation.ContextOfItems
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gprop = context.scene.BIMGeoreferenceProperties
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coordinate_offset = None
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if gprop.has_blender_offset and gprop.blender_offset_type == "CARTESIAN_POINT":
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coordinate_offset = Vector(
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(
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float(gprop.blender_eastings),
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float(gprop.blender_northings),
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float(gprop.blender_orthogonal_height),
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)
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)
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representation_data = {
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"context": context_of_items,
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"blender_object": obj,
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"geometry": obj.data,
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"coordinate_offset": coordinate_offset,
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"total_items": max(1, len(obj.material_slots)),
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"should_force_faceted_brep": context.scene.BIMGeometryProperties.should_force_faceted_brep,
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"should_force_triangulation": context.scene.BIMGeometryProperties.should_force_triangulation,
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}
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new_representation = add_representation.Usecase(self.file, representation_data).execute()
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if not new_representation:
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print("Failed to write shape representation")
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return {"FINISHED"}
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box_context_id = get_box_context_id()
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old_box = ifcopenshell.util.element.get_representation(product, "Model", "Box", "MODEL_VIEW")
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if (
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box_context_id
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and old_box
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and context_of_items.ContextType == "Model"
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and context_of_items.ContextIdentifier
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and context_of_items.ContextIdentifier == "Body"
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):
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representation_data["context"] = self.file.by_id(box_context_id)
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new_box = add_representation.Usecase(self.file, representation_data).execute()
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for inverse in self.file.get_inverse(old_box):
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ifcopenshell.util.element.replace_attribute(inverse, old_box, new_box)
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assign_styles.Usecase(
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self.file,
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{
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"shape_representation": new_representation,
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"styles": [
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self.file.by_id(s.material.BIMMaterialProperties.ifc_style_id)
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for s in obj.material_slots
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if s.material
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],
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"should_use_presentation_style_assignment": context.scene.BIMGeometryProperties.should_use_presentation_style_assignment,
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},
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).execute()
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# TODO: move this into a replace_representation usecase or something
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for inverse in self.file.get_inverse(old_representation):
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ifcopenshell.util.element.replace_attribute(inverse, old_representation, new_representation)
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obj.data.BIMMeshProperties.ifc_definition_id = int(new_representation.id())
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obj.data.name = f"{old_representation.ContextOfItems.id()}/{new_representation.id()}"
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bpy.ops.bim.remove_representation(representation_id=old_representation.id())
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Data.load(obj.BIMObjectProperties.ifc_definition_id)
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self.update_obj_mesh_representation(context, obj)
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return {"FINISHED"}
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def update_obj_mesh_representation(self, context, obj):
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product = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
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if product.is_a("IfcGridAxis"):
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create_axis_curve.Usecase(self.file, {"AxisCurve": obj, "grid_axis": product}).execute()
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return
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bpy.ops.bim.edit_object_placement(obj=obj.name)
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old_representation = self.file.by_id(obj.data.BIMMeshProperties.ifc_definition_id)
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context_of_items = old_representation.ContextOfItems
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gprop = context.scene.BIMGeoreferenceProperties
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coordinate_offset = None
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if gprop.has_blender_offset and gprop.blender_offset_type == "CARTESIAN_POINT":
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coordinate_offset = Vector(
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(
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float(gprop.blender_eastings),
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float(gprop.blender_northings),
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float(gprop.blender_orthogonal_height),
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)
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)
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representation_data = {
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"context": context_of_items,
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"blender_object": obj,
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"geometry": obj.data,
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"coordinate_offset": coordinate_offset,
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"total_items": max(1, len(obj.material_slots)),
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"should_force_faceted_brep": context.scene.BIMGeometryProperties.should_force_faceted_brep,
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"should_force_triangulation": context.scene.BIMGeometryProperties.should_force_triangulation,
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"is_rectangular_extrusion": self.ifc_representation_type == "IfcExtrudedAreaSolid/IfcRectangleProfileDef"
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}
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new_representation = add_representation.Usecase(self.file, representation_data).execute()
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box_context_id = get_context_id("Model", "Box", "MODEL_VIEW")
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old_box = ifcopenshell.util.element.get_representation(product, "Model", "Box", "MODEL_VIEW")
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if (
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box_context_id
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and old_box
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and context_of_items.ContextType == "Model"
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and context_of_items.ContextIdentifier
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and context_of_items.ContextIdentifier == "Body"
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):
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representation_data["context"] = self.file.by_id(box_context_id)
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new_box = add_representation.Usecase(self.file, representation_data).execute()
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for inverse in self.file.get_inverse(old_box):
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ifcopenshell.util.element.replace_attribute(inverse, old_box, new_box)
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assign_styles.Usecase(
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self.file,
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{
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"shape_representation": new_representation,
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"styles": [
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self.file.by_id(s.material.BIMMaterialProperties.ifc_style_id)
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for s in obj.material_slots
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if s.material
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],
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"should_use_presentation_style_assignment": context.scene.BIMGeometryProperties.should_use_presentation_style_assignment,
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},
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).execute()
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# TODO: move this into a replace_representation usecase or something
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for inverse in self.file.get_inverse(old_representation):
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ifcopenshell.util.element.replace_attribute(inverse, old_representation, new_representation)
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obj.data.BIMMeshProperties.ifc_definition_id = int(new_representation.id())
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obj.data.name = f"{old_representation.ContextOfItems.id()}/{new_representation.id()}"
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bpy.ops.bim.remove_representation(representation_id=old_representation.id())
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Data.load(obj.BIMObjectProperties.ifc_definition_id)
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class UpdateParametricRepresentation(bpy.types.Operator):
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bl_idname = "bim.update_parametric_representation"
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