From 3eacde0ba2e3db1506c8d1941ac04bbddd35592d Mon Sep 17 00:00:00 2001
From: Roy-043 <70520633+Roy-043@users.noreply.github.com>
Date: Thu, 19 Jun 2025 13:45:02 +0200
Subject: [PATCH] Update ArchMaterial.py

---
 src/Mod/BIM/ArchMaterial.py | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/Mod/BIM/ArchMaterial.py b/src/Mod/BIM/ArchMaterial.py
index f6eaf4c053..6f589c7e2d 100644
--- a/src/Mod/BIM/ArchMaterial.py
+++ b/src/Mod/BIM/ArchMaterial.py
@@ -279,12 +279,18 @@ class _ArchMaterial:
     def execute(self,obj):
         if obj.Material:
             if FreeCAD.GuiUp:
+                c = None
+                t = None
                 if "DiffuseColor" in obj.Material:
-                    c = tuple([float(f) for f in obj.Material['DiffuseColor'].strip("()").strip("[]").split(",")])
-                    for p in obj.InList:
-                        if hasattr(p,"Material") and ( (not hasattr(p.ViewObject,"UseMaterialColor")) or p.ViewObject.UseMaterialColor):
-                            if p.Material.Name == obj.Name:
-                                p.ViewObject.ShapeColor = c
+                    c = tuple([float(f) for f in obj.Material["DiffuseColor"].strip("()").strip("[]").split(",")])
+                if "Transparency" in obj.Material:
+                    t = int(obj.Material["Transparency"])
+                for p in obj.InList:
+                    if hasattr(p,"Material") \
+                            and p.Material.Name == obj.Name \
+                            and getattr(obj.ViewObject,"UseMaterialColor",True):
+                        if c: p.ViewObject.ShapeColor = c
+                        if t: p.ViewObject.Transparency = t
         return
 
     def dumps(self):