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Assigning a layer set for the first time prefills with a layer to prevent invalid data.

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This commit is contained in:
Dion Moult
2023-02-04 22:14:33 +11:00
parent 207093fe99
commit dc77a798b5
1 changed files with 21 additions and 8 deletions
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src/blenderbim/blenderbim/bim/module/material/operator.py
+21 -8
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@@ -148,14 +148,27 @@ class AssignMaterial(bpy.types.Operator, tool.Ifc.Operator):
material = tool.Ifc.get().by_id(int(active_obj.BIMObjectMaterialProperties.material)) material = tool.Ifc.get().by_id(int(active_obj.BIMObjectMaterialProperties.material))
for obj in objects: for obj in objects:
element = tool.Ifc.get_entity(obj) element = tool.Ifc.get_entity(obj)
if element: if not element:
ifcopenshell.api.run( continue
"material.assign_material", ifcopenshell.api.run(
tool.Ifc.get(), "material.assign_material",
product=element, tool.Ifc.get(),
type=active_object_material_type, product=element,
material=material, type=active_object_material_type,
) material=material,
)
assigned_material = ifcopenshell.util.element.get_material(element)
if assigned_material.is_a("IfcMaterialLayerSet"):
if not assigned_material.MaterialLayers:
unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
layer = ifcopenshell.api.run(
"material.add_layer",
tool.Ifc.get(),
layer_set=assigned_material,
material=tool.Ifc.get().by_type("IfcMaterial")[0],
)
thickness = 0.1 # Arbitrary metric thickness for now
layer.LayerThickness = thickness / unit_scale
class UnassignMaterial(bpy.types.Operator, tool.Ifc.Operator): class UnassignMaterial(bpy.types.Operator, tool.Ifc.Operator):