Arch: Partial fix for IFC export of precast elements

src/Mod/Arch/Arch.py

@@ -61,3 +61,4 @@ from ArchCutPlane import *
 from ArchServer import *
 from ArchMaterial import *
 from ArchSchedule import *
+from ArchPrecast import *

src/Mod/Arch/ArchComponent.py

@@ -352,6 +352,8 @@ class Component:
 
     def getAxis(self,obj):
         "Returns an open wire which is the axis of this component, if applicable"
+        if Draft.getType(obj) == "Precast":
+            return None
         if obj.Base:
             if obj.Base.isDerivedFrom("Part::Feature"):
                 if obj.Base.Shape:
@@ -378,6 +380,8 @@ class Component:
     def getProfiles(self,obj,noplacement=False):
         "Returns the base profile(s) of this component, if applicable"
         wires = []
+        if Draft.getType(obj) == "Precast":
+            return wires
         n,l,w,h = self.getDefaultValues(obj)
         if obj.Base:
             if obj.Base.isDerivedFrom("Part::Extrusion"):
@@ -477,6 +481,8 @@ class Component:
     def getExtrusionVector(self,obj,noplacement=False):
         "Returns an extrusion vector of this component, if applicable"
         n,l,w,h = self.getDefaultValues(obj)
+        if Draft.getType(obj) == "Precast":
+            return FreeCAD.Vector()
         if obj.Base:
             if obj.Base.isDerivedFrom("Part::Extrusion"):
                 return FreeCAD.Vector(obj.Base.Dir)

src/Mod/Arch/ArchPrecast.py

@@ -44,7 +44,14 @@ class _Precast(ArchComponent.Component):
         obj.addProperty("App::PropertyDistance","Height","Arch","The height of this element")
         obj.addProperty("App::PropertyLinkList","Armatures","Arch","Armatures contained in this element")
         obj.addProperty("App::PropertyVectorList","Nodes","Arch","The structural nodes of this element")
-        self.Type = "Structure"
+        self.Type = "Precast"
+        obj.Role = ["Beam","Column","Panel","Slab"]
+        
+    def getProfile(self,obj,noplacement=True):
+        return []
+        
+    def getExtrusionVector(self,obj,noplacement=True):
+        return FreeCAD.Vector()
 
 
 class _PrecastBeam(_Precast):
@@ -1090,6 +1097,9 @@ def makePrecast(precasttype,length=0,width=0,height=0,slabtype="",chamfer=0,dent
         obj.Height = height
         obj.Chamfer = chamfer
         obj.BeamBase = base
+    else:
+        obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Precast")
+        _Precast(obj)
     if FreeCAD.GuiUp:
         _ViewProviderPrecast(obj.ViewObject)
     return obj

src/Mod/Arch/Resources/ui/preferences-ifc.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>456</width>
-    <height>608</height>
+    <height>637</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -59,6 +59,26 @@
         </item>
        </layout>
       </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_10">
+        <item>
+         <widget class="Gui::PrefCheckBox" name="checkBox_6">
+          <property name="text">
+           <string>Create clones when objects have shared geometry</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+          <property name="prefEntry" stdset="0">
+           <cstring>ifcCreateClones</cstring>
+          </property>
+          <property name="prefPath" stdset="0">
+           <cstring>Mod/Arch</cstring>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
      </layout>
     </widget>
    </item>
@@ -268,26 +288,6 @@
         </item>
        </layout>
       </item>
-      <item>
-       <layout class="QHBoxLayout" name="horizontalLayout_10">
-        <item>
-         <widget class="Gui::PrefCheckBox" name="checkBox_6">
-          <property name="text">
-           <string>Create clones when objects have shared geometry</string>
-          </property>
-          <property name="checked">
-           <bool>true</bool>
-          </property>
-          <property name="prefEntry" stdset="0">
-           <cstring>ifcCreateClones</cstring>
-          </property>
-          <property name="prefPath" stdset="0">
-           <cstring>Mod/Arch</cstring>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </item>
       <item>
        <layout class="QHBoxLayout" name="horizontalLayout_14">
         <item>

src/Mod/Arch/importIFC.py

@@ -1077,7 +1077,7 @@ def export(exportList,filename):
         if (not ifcprop) and hasattr(obj,"IfcAttributes"):
             if obj.IfcAttributes:
                 ifcprop = True
-                if DEBUG : print("      adding ifc attributes")
+                #if DEBUG : print("      adding ifc attributes")
                 props = []
                 for key in obj.IfcAttributes:
                     if not (key in ["IfcUID","FlagForceBrep"]):