Arch: Fixed export of cloned windows to IFC

src/Mod/Arch/ArchCommands.py

@@ -364,7 +364,7 @@ def getCutVolume(cutplane,shapes):
     u = p.Vertexes[1].Point.sub(p.Vertexes[0].Point).normalize()
     v = u.cross(ax)
     if not bb.isCutPlane(ce,ax):
-        FreeCAD.Console.PrintMessage(translate("Arch","No objects are cut by the plane\n"))
+        #FreeCAD.Console.PrintMessage(translate("Arch","No objects are cut by the plane\n"))
         return None,None,None
     else:
         corners = [FreeCAD.Vector(bb.XMin,bb.YMin,bb.ZMin),

src/Mod/Arch/importIFC.py

@@ -1268,24 +1268,25 @@ def getRepresentation(ifcfile,context,obj,forcebrep=False,subtraction=False,tess
     tostore = False
     
     # check for clones
-    for k,v in clones.items():
-        if (obj.Name == k ) or (obj.Name in v):
-            if k in sharedobjects:
-                # base shape already exists
-                repmap = sharedobjects[k]
-                pla = obj.Placement
-                axis1 = ifcfile.createIfcDirection(tuple(pla.Rotation.multVec(FreeCAD.Vector(1,0,0))))
-                axis2 = ifcfile.createIfcDirection(tuple(pla.Rotation.multVec(FreeCAD.Vector(0,1,0))))
-                axis3 = ifcfile.createIfcDirection(tuple(pla.Rotation.multVec(FreeCAD.Vector(0,0,1))))
-                origin = ifcfile.createIfcCartesianPoint(tuple(FreeCAD.Vector(pla.Base).multiply(0.001)))
-                transf = ifcfile.createIfcCartesianTransformationOperator3D(axis1,axis2,origin,1.0,axis3)
-                mapitem = ifcfile.createIfcMappedItem(repmap,transf)
-                shapes = [mapitem]
-                solidType = "MappedRepresentation"
-                shapetype = "clone"
-            else:
-                # base shape not yet created
-                tostore = k
+    if not subtraction:
+        for k,v in clones.items():
+            if (obj.Name == k ) or (obj.Name in v):
+                if k in sharedobjects:
+                    # base shape already exists
+                    repmap = sharedobjects[k]
+                    pla = obj.Placement
+                    axis1 = ifcfile.createIfcDirection(tuple(pla.Rotation.multVec(FreeCAD.Vector(1,0,0))))
+                    axis2 = ifcfile.createIfcDirection(tuple(pla.Rotation.multVec(FreeCAD.Vector(0,1,0))))
+                    axis3 = ifcfile.createIfcDirection(tuple(pla.Rotation.multVec(FreeCAD.Vector(0,0,1))))
+                    origin = ifcfile.createIfcCartesianPoint(tuple(FreeCAD.Vector(pla.Base).multiply(0.001)))
+                    transf = ifcfile.createIfcCartesianTransformationOperator3D(axis1,axis2,origin,1.0,axis3)
+                    mapitem = ifcfile.createIfcMappedItem(repmap,transf)
+                    shapes = [mapitem]
+                    solidType = "MappedRepresentation"
+                    shapetype = "clone"
+                else:
+                    # base shape not yet created
+                    tostore = k
 
     if (not shapes) and (not forcebrep):
         profile = None

src/Mod/Draft/Draft.py

@@ -2478,6 +2478,10 @@ def clone(obj,delta=None):
         cl.Label = prefix + base.Label
         cl.CloneOf = base
         cl.Placement = obj[0].Placement
+        try:
+            cl.Role = base.Role
+        except:
+            pass
         return cl
     else:
         cl = FreeCAD.ActiveDocument.addObject("Part::AttachableObjectPython","Clone")