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Fix axis/ref_direction swap in connection geometry

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The a2p placement matrix stores col[0]=X (edge direction) and
col[2]=Z (face normal), but assign_connection_geometry expects
axis=Z (normal) and ref_direction=X (edge).

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This commit is contained in:
CyrilWaechter
2026-07-30 20:55:55 +02:00
parent ac23a67e72
commit d88b201d5f
1 changed files with 2 additions and 2 deletions
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src/ifcopenshell-python/ifcopenshell/util/boundary.py
+2 -2
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@@ -352,8 +352,8 @@ def _assign_connection_geometry(
) -> None:
"""Assign connection geometry to a boundary using the existing API."""
location = face_matrix[:3, 3]
axis = face_matrix[:3, 0]
ref_direction = face_matrix[:3, 2]
axis = face_matrix[:3, 2]
ref_direction = face_matrix[:3, 0]
outer_boundary = [list(coord) for coord in polygon.exterior.coords[:-1]]
inner_boundaries = [list(interior.coords[:-1]) for interior in polygon.interiors]