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Store edges representation item ids in Triangulation

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Andrej730
2024-09-25 15:15:47 +05:00
parent aad66f94a3
commit dd9de98290
8 changed files with 109 additions and 10 deletions
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src/ifcopenshell-python/ifcopenshell/util/shape.py
+10 -1
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@@ -300,11 +300,20 @@ def get_normals(geometry: ShapeType) -> npt.NDArray[np.float64]:
return np.frombuffer(geometry.normals_buffer, dtype="d").reshape(-1, 3)
def get_representation_item_ids(geometry: ShapeType) -> npt.NDArray[np.int32]:
def get_faces_representation_item_ids(geometry: ShapeType) -> npt.NDArray[np.int32]:
"""Get representation item ids for the geometry faces."""
return np.frombuffer(geometry.item_ids_buffer, dtype="i")
def get_edges_representation_item_ids(geometry: ShapeType) -> npt.NDArray[np.int32]:
"""Get representation item ids for the geometry edges.
Can be useful for geometry without faces and in general is more universal
since it's possible that geometry will have elements with and without faces.
"""
return np.frombuffer(geometry.edges_item_ids_buffer, dtype="i")
def get_shape_vertices(shape: ShapeType, geometry: ShapeType) -> npt.NDArray[np.float64]:
"""Get the shape's vertices as a numpy array