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Fix bug where dissolving edges created corrupted geometry for advanced breps with curved surfaces

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This commit is contained in:
Dion Moult
2024-09-18 17:34:41 +10:00
parent 6e9e270683
commit 96ba8e8e29
1 changed files with 9 additions and 0 deletions
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src/bonsai/bonsai/tool/geometry.py
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@@ -190,6 +190,15 @@ class Geometry(bonsai.core.tool.Geometry):
@classmethod @classmethod
def dissolve_triangulated_edges(cls, obj: bpy.types.Object) -> None: def dissolve_triangulated_edges(cls, obj: bpy.types.Object) -> None:
# AdvancedBreps may contain non-faceted, curved faces (e.g. as part of
# a cylinder) so dissolving edges should not be allowed.
mesh_element = tool.Ifc.get().by_id(obj.data.BIMMeshProperties.ifc_definition_id)
if (
mesh_element.is_a("IfcShapeRepresentation")
and ifcopenshell.util.representation.resolve_representation(mesh_element).RepresentationType
== "AdvancedBrep"
) or mesh_element.is_a("IfcAdvancedBrep"):
return
if obj.data and "ios_edges" in obj.data: if obj.data and "ios_edges" in obj.data:
bm = bmesh.new() bm = bmesh.new()
bm.from_mesh(obj.data) bm.from_mesh(obj.data)