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Handle IfcCompositeProfileDef in derive_from_slab

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When a slab consists of multiple separate closed loops, the swept area
is IfcCompositeProfileDef which has a Profiles attribute rather than
OuterCurve. Iterate over each profile and generate walls for all loops.

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This commit is contained in:
copilot-swe-agent[bot]
2026-07-02 23:22:27 +00:00
committed by GitHub
parent bcaf64eda0
commit 97c2d112cd
1 changed files with 25 additions and 19 deletions
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src/bonsai/bonsai/bim/module/model/wall.py
+25 -19
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@@ -1398,27 +1398,33 @@ class DumbWallGenerator:
elevation = self.container_obj.location.z
representation = ifcopenshell.util.representation.get_representation(slab, "Model", "Body", "MODEL_VIEW")
extrusion = tool.Model.get_extrusion(representation)
outer_curve = extrusion.SweptArea.OuterCurve
if self._curve_has_arc_segments(outer_curve):
polyline_points = self._derive_points_from_arc_segments(slab_obj, elevation, outer_curve)
elif outer_curve.is_a("IfcCircle"):
polyline_points = self._derive_points_from_circle(slab_obj, elevation, outer_curve)
swept_area = extrusion.SweptArea
if swept_area.is_a("IfcCompositeProfileDef"):
profiles = swept_area.Profiles
else:
builder = ifcopenshell.util.shape_builder.ShapeBuilder(tool.Ifc.get())
polyline_points = builder.get_polyline_coords(outer_curve)
polyline_points = [[(v * self.unit_scale) for v in p] for p in polyline_points]
polyline_points = [slab_obj.matrix_world @ Vector((p[0], p[1], elevation)) for p in polyline_points]
if len(polyline_points) < 3:
return []
if not tool.Cad.is_counter_clockwise_order(polyline_points[0], polyline_points[1], polyline_points[2]):
polyline_points = polyline_points[::-1]
profiles = [swept_area]
walls = []
for i in range(len(polyline_points) - 1):
vec1 = polyline_points[i]
vec2 = polyline_points[i + 1]
coords = (vec1, vec2)
walls.append(self.create_wall_from_2_points(coords))
for profile in profiles:
outer_curve = profile.OuterCurve
if self._curve_has_arc_segments(outer_curve):
polyline_points = self._derive_points_from_arc_segments(slab_obj, elevation, outer_curve)
elif outer_curve.is_a("IfcCircle"):
polyline_points = self._derive_points_from_circle(slab_obj, elevation, outer_curve)
else:
builder = ifcopenshell.util.shape_builder.ShapeBuilder(tool.Ifc.get())
polyline_points = builder.get_polyline_coords(outer_curve)
polyline_points = [[(v * self.unit_scale) for v in p] for p in polyline_points]
polyline_points = [slab_obj.matrix_world @ Vector((p[0], p[1], elevation)) for p in polyline_points]
if len(polyline_points) < 3:
continue
if not tool.Cad.is_counter_clockwise_order(polyline_points[0], polyline_points[1], polyline_points[2]):
polyline_points = polyline_points[::-1]
for i in range(len(polyline_points) - 1):
vec1 = polyline_points[i]
vec2 = polyline_points[i + 1]
coords = (vec1, vec2)
walls.append(self.create_wall_from_2_points(coords))
return walls
def create_wall_from_2_points(self, coords, should_round=False) -> Union[dict[str, Any], None]: