Sketcher/BackEdit: makes sketch elements render on -Z if sketch viewed from back side

src/Mod/Sketcher/Gui/EditModeGeometryCoinConverter.cpp

@@ -47,6 +47,7 @@
 #include "Mod/Sketcher/App/Constraint.h"
 
 #include "EditModeGeometryCoinConverter.h"
+#include "ViewProviderSketchCoinAttorney.h"
 
 
 using namespace SketcherGui;
@@ -226,7 +227,8 @@ void EditModeGeometryCoinConverter::convert(const Sketcher::GeoListFacade & geol
 
         int i=0; // setting up the line set
         for (std::vector<Base::Vector3d>::const_iterator it = Coords[l].begin(); it != Coords[l].end(); ++it,i++)
-            verts[i].setValue(it->x,it->y,drawingParameters.zLowLines);
+            verts[i].setValue(it->x,it->y,
+                              ViewProviderSketchCoinAttorney::getViewOrientationFactor(viewProvider) * drawingParameters.zLowLines);
 
         i=0; // setting up the indexes of the line set
         for (std::vector<unsigned int>::const_iterator it = Index[l].begin(); it != Index[l].end(); ++it,i++)
@@ -234,7 +236,8 @@ void EditModeGeometryCoinConverter::convert(const Sketcher::GeoListFacade & geol
 
         i=0; // setting up the point set
         for (std::vector<Base::Vector3d>::const_iterator it = Points[l].begin(); it != Points[l].end(); ++it,i++)
-            pverts[i].setValue(it->x,it->y,drawingParameters.zLowPoints);
+            pverts[i].setValue(it->x,it->y,
+                               ViewProviderSketchCoinAttorney::getViewOrientationFactor(viewProvider) * drawingParameters.zLowPoints);
 
         geometryLayerNodes.CurvesCoordinate[l]->point.finishEditing();
         geometryLayerNodes.CurveSet[l]->numVertices.finishEditing();