Arch/Draft: Fix transparency vs. alpha issues

Fix #18295
2024-12-07 16:17:37 +01:00
parent 8d0efd4b21
commit 4666fe8a5b
9 changed files with 13 additions and 13 deletions
--- a/src/Mod/BIM/nativeifc/ifc_tools.py
+++ b/src/Mod/BIM/nativeifc/ifc_tools.py
@@ -836,7 +836,7 @@ def set_colors(obj, colors):
                    sapp_mat.DiffuseColor = color + (1.0,)
                else:
                    sapp_mat.DiffuseColor = color[:3] + (1.0 - color[3],)
-                sapp_mat.Transparency = color[3] if len(color) > 3 else 0.0
+                sapp_mat.Transparency = 1.0 - color[3] if len(color) > 3 else 0.0
                sapp.append(sapp_mat)
            #print(vobj.Object.Label,[[m.DiffuseColor,m.Transparency] for m in sapp])
            vobj.ShapeAppearance = sapp