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Fix for loading IFC files with non-IfcElement based IfcRelNests

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Example is below, it was using IfcAlignment to aggregate IfcAnnotations and IfcReferents.

I've added support loading collections for IfcPositioningElements besides IfcGrid (grids already handled separately).

https://community.osarch.org/discussion/2034/ifc-not-visible-after-loaded-in-blender-bim
This commit is contained in:
Andrej730
2024-03-19 12:29:02 +05:00
parent ec7af4e719
commit e5dd06c461
1 changed files with 7 additions and 3 deletions
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src/blenderbim/blenderbim/bim/import_ifc.py
+7 -3
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@@ -1622,7 +1622,11 @@ class IfcImporter:
] + [
r
for r in self.file.by_type("IfcRelNests")
if (r.RelatingObject.is_a("IfcElement") or r.RelatingObject.is_a("IfcElementType"))
if (
r.RelatingObject.is_a("IfcElement")
or r.RelatingObject.is_a("IfcElementType")
or (r.RelatingObject.is_a("IfcPositioningElement") and not r.RelatingObject.is_a("IfcGrid"))
)
and [e for e in r.RelatedObjects if not e.is_a("IfcPort")]
]
@@ -1733,8 +1737,8 @@ class IfcImporter:
elif getattr(element, "Nests", None) and not element.is_a("IfcPort"):
nest = ifcopenshell.util.element.get_nest(element)
return self.collections[nest.GlobalId].objects.link(obj)
else:
return self.place_object_in_spatial_decomposition_collection(element, obj)
return self.place_object_in_spatial_decomposition_collection(element, obj)
def place_object_in_spatial_decomposition_collection(
self, element: ifcopenshell.entity_instance, obj: bpy.types.Object