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Fix #5483. Units is optional when loading.

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This commit is contained in:
Dion Moult
2024-09-25 11:13:09 +10:00
parent 1d4f5de4a0
commit 7584a40219
1 changed files with 3 additions and 2 deletions
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src/bonsai/bonsai/bim/import_ifc.py
+3 -2
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@@ -1189,8 +1189,9 @@ class IfcImporter:
tool.Loader.set_unit_scale(self.unit_scale)
def set_units(self):
units = self.file.by_type("IfcUnitAssignment")[0]
for unit in units.Units:
if not (units := self.file.by_type("IfcUnitAssignment")):
return # Geometry is optional in IFC
for unit in units[0].Units:
if unit.is_a("IfcNamedUnit") and unit.UnitType == "LENGTHUNIT":
if unit.is_a("IfcSIUnit"):
bpy.context.scene.unit_settings.system = "METRIC"