Support IFC2X3 materials without transparency

2026-08-09 17:31:45 +00:00 · 2020-03-06 22:03:01 +11:00
parent e2cfc676d8
commit 3a91ed1382
1 changed files with 3 additions and 1 deletions
@@ -96,7 +96,9 @@ class MaterialCreator():
            for surface_style in style.Styles:
                if surface_style.is_a('IfcSurfaceStyleShading'):
                    alpha = 1.
-                    if surface_style.Transparency:
+                    # Transparency was added in IFC4
+                    if hasattr(surface_style, 'Transparency') \
+                            and surface_style.Transparency:
                        alpha = 1 - surface_style.Transparency
                    material.diffuse_color = (
                        surface_style.SurfaceColour.Red,