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Fix #5408. Use an angular tolerance of 0.1 degrees to determine if something has moved and need resyncing.

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This commit is contained in:
Dion Moult
2024-09-20 17:02:51 +10:00
parent 669d88fbb1
commit 8866a34f22
1 changed files with 9 additions and 5 deletions
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src/bonsai/bonsai/tool/ifc.py
+9 -5
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@@ -77,12 +77,16 @@ class Ifc(bonsai.core.tool.Ifc):
if not obj.BIMObjectProperties.location_checksum:
return True # Let's be conservative
loc_check = np.frombuffer(eval(obj.BIMObjectProperties.location_checksum))
rot_check = np.frombuffer(eval(obj.BIMObjectProperties.rotation_checksum))
loc_real = np.array(obj.matrix_world.translation).flatten()
rot_real = np.array(obj.matrix_world.to_3x3()).flatten()
if np.allclose(loc_check, loc_real, atol=1e-4) and np.allclose(rot_check, rot_real, atol=1e-2):
return False
return True
if not np.allclose(loc_check, loc_real, atol=1e-4): # 0.1 mm
return True
rot_check = np.frombuffer(eval(obj.BIMObjectProperties.rotation_checksum)).reshape(3, 3)
rot_real = np.array(obj.matrix_world.to_3x3())
rot_dot = np.dot(rot_check, rot_real.T)
angle_rad = np.arccos(np.clip((np.trace(rot_dot) - 1) / 2, -1, 1))
if angle_rad > 0.0017453292519943296: # 0.1 degrees
return True
return False
@classmethod
def schema(cls) -> ifcopenshell_wrapper.schema_definition: