diff --git a/src/Mod/Arch/ArchRebar.py b/src/Mod/Arch/ArchRebar.py
index 34395dbf4b..d3c6be5697 100644
--- a/src/Mod/Arch/ArchRebar.py
+++ b/src/Mod/Arch/ArchRebar.py
@@ -404,6 +404,63 @@ class _ViewProviderRebar(ArchComponent.ViewProviderComponent):
                     return
                 module.editDialog(vobj)
 
+    def updateData(self,obj,prop):
+        if prop == "Shape":
+            if hasattr(self,"centerline"):
+                if self.centerline:
+                    self.centerlinegroup.removeChild(self.centerline)
+            if hasattr(obj.Proxy,"wires"): 
+                if obj.Proxy.wires: 
+                    from pivy import coin
+                    import re,Part
+                    self.centerline = coin.SoSeparator()
+                    comp = Part.makeCompound(obj.Proxy.wires)
+                    pts = re.findall("point \[(.*?)\]",comp.writeInventor().replace("\n",""))
+                    pts = [p.split(",") for p in pts]
+                    for pt in pts:
+                        ps = coin.SoSeparator()
+                        plist = []
+                        for p in pt:
+                            c = []
+                            for pstr in p.split(" "):
+                                if pstr:
+                                    c.append(float(pstr))
+                            plist.append(c)
+                        coords = coin.SoCoordinate3()
+                        coords.point.setValues(plist)
+                        ps.addChild(coords)
+                        ls = coin.SoLineSet()
+                        ls.numVertices = -1
+                        ps.addChild(ls)
+                        self.centerline.addChild(ps)
+                    self.centerlinegroup.addChild(self.centerline)
+        ArchComponent.ViewProviderComponent.updateData(self,obj,prop)
+
+    def attach(self,vobj):
+        from pivy import coin
+        self.centerlinegroup = coin.SoSeparator()
+        self.centerlinegroup.setName("Centerline")
+        self.centerlinecolor = coin.SoBaseColor()
+        self.centerlinestyle = coin.SoDrawStyle()
+        self.centerlinegroup.addChild(self.centerlinecolor)
+        self.centerlinegroup.addChild(self.centerlinestyle)
+        vobj.addDisplayMode(self.centerlinegroup,"Centerline")
+        ArchComponent.ViewProviderComponent.attach(self,vobj)
+        
+    def onChanged(self,vobj,prop):
+        if (prop == "LineColor") and hasattr(vobj,"LineColor"):
+            if hasattr(self,"centerlinecolor"):
+                c = vobj.LineColor
+                self.centerlinecolor.rgb.setValue(c[0],c[1],c[2])
+        elif (prop == "LineWidth") and hasattr(vobj,"LineWidth"):
+            if hasattr(self,"centerlinestyle"):
+                self.centerlinestyle.lineWidth = vobj.LineWidth
+        ArchComponent.ViewProviderComponent.onChanged(self,vobj,prop)
+
+    def getDisplayModes(self,vobj):
+        modes=["Centerline"]
+        return modes+ArchComponent.ViewProviderComponent.getDisplayModes(self,vobj)
+
 def CalculatePlacement(baramount, barnumber, size, axis, rotation, offsetstart, offsetend):
     """ CalculatePlacement([baramount, barnumber, size, axis, rotation, offsetstart, offsetend]):
     Calculate the placement of the bar from given values."""