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ifcopenshell.util.shape.get_material_colors

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Andrej730
2024-09-16 14:06:33 +05:00
parent 531327578f
commit 6d8ffc27cc
1 changed files with 10 additions and 0 deletions
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src/ifcopenshell-python/ifcopenshell/util/shape.py
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@@ -280,6 +280,16 @@ def get_faces(geometry: ShapeType) -> npt.NDArray[np.int32]:
return np.frombuffer(geometry.faces_buffer, dtype="i").reshape(-1, 3) return np.frombuffer(geometry.faces_buffer, dtype="i").reshape(-1, 3)
def get_material_colors(geometry: ShapeType) -> npt.NDArray[np.float64]:
"""Get material colors as a numpy array.
:return: A numpy array listing RGBA color for each shape's material.
"""
# colors_buffer comes from geometry.materials and doesn't account
# for colors that can be set by some other way (e.g. IfcIndexedColourMap).
return np.frombuffer(geometry.colors_buffer, dtype="d").reshape(-1, 4)
def get_representation_item_ids(geometry: ShapeType) -> npt.NDArray[np.int32]: def get_representation_item_ids(geometry: ShapeType) -> npt.NDArray[np.int32]:
"""Get representation item ids for the geometry faces.""" """Get representation item ids for the geometry faces."""
return np.frombuffer(geometry.item_ids_buffer, dtype="i") return np.frombuffer(geometry.item_ids_buffer, dtype="i")