Arch: Added a pref option to export everything as Brep in IFC files

FreeCAD · Mar 27, 2014 · 4f008b3 · 4f008b3
1 parent e429b31
commit 4f008b3
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Showing 3 changed files with 30 additions and 4 deletions.
diff --git a/src/Mod/Arch/Arch_rc.py b/src/Mod/Arch/Arch_rc.py
diff --git a/src/Mod/Arch/Resources/ui/archprefs-import.ui b/src/Mod/Arch/Resources/ui/archprefs-import.ui
@@ -266,6 +266,26 @@
         </item>
        </layout>
       </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_6">
+        <item>
+         <widget class="Gui::PrefCheckBox" name="checkBox">
+          <property name="toolTip">
+           <string>Some IFC viewers don't like objects exported as extrusions. Use this to force all objects to be exported as BREP geometry.</string>
+          </property>
+          <property name="text">
+           <string>Force export as Breps</string>
+          </property>
+          <property name="prefEntry" stdset="0">
+           <cstring>ifcExportAsBrep</cstring>
+          </property>
+          <property name="prefPath" stdset="0">
+           <cstring>Mod/Arch</cstring>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
      </layout>
     </widget>
    </item>

diff --git a/src/Mod/Arch/importIFC.py b/src/Mod/Arch/importIFC.py
@@ -898,6 +898,7 @@ def export(exportList,filename):
     p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
     scaling = p.GetFloat("IfcScalingFactor",1.0)
     exporttxt = p.GetBool("IfcExportList",False)
+    forcebrep = p.GetBool("ifcExportAsBrep",False)
     application = "FreeCAD"
     ver = FreeCAD.Version()
     version = ver[0]+"."+ver[1]+" build"+ver[2]
@@ -930,9 +931,13 @@ def export(exportList,filename):
         otype = Draft.getType(obj)
         name = str(obj.Label)
         parent = Arch.getHost(obj)
-        gdata = Arch.getExtrusionData(obj,scaling)
+        gdata = None
+        if not forcebrep:
+            gdata = Arch.getExtrusionData(obj,scaling)
+            if DEBUG: print "extrusion data for ",obj.Label," : ",gdata
         if not gdata:
             fdata = Arch.getBrepFacesData(obj,scaling)
+            if DEBUG: print "brep data for ",obj.Label," : ",fdata
             if not fdata:
                 if obj.isDerivedFrom("Part::Feature"):
                     print "IFC export: error retrieving the shape of object ", obj.Name
@@ -978,6 +983,7 @@ def export(exportList,filename):
                 elif obj.Role == "Foundation":
                     role = "IfcFooting"
             if gdata:
+                #ifc.addStructure( role, ifc.addExtrudedPolyline(gdata[0],gdata[1]), storey=parent, name=name )
                 if FreeCAD.Vector(gdata[1]).getAngle(FreeCAD.Vector(0,0,1)) < .01:
                     # Workaround for non-Z extrusions, apparently not supported by ifc++ TODO: fix this
                     ifc.addStructure( role, ifc.addExtrudedPolyline(gdata[0],gdata[1]), storey=parent, name=name )