[TD]Dimension Py Routine fixes

src/Mod/TechDraw/App/AppTechDrawPy.cpp

@@ -794,6 +794,8 @@ private:
 
     Py::Object makeDistanceDim(const Py::Tuple& args)
     {
+    //points come in unscaled,but makeDistDim unscales them so we need to prescale here. 
+    //makeDistDim was built for extent dims which work from scaled geometry 
         PyObject* pDvp;
         PyObject* pDimType;
         PyObject* pFrom;
@@ -827,12 +829,14 @@ private:
         if (PyObject_TypeCheck(pTo, &(Base::VectorPy::Type))) {
             to = static_cast<Base::VectorPy*>(pTo)->value();
         }
+        DrawViewDimension* dvd = 
         DrawDimHelper::makeDistDim(dvp,
                                    dimType,
-                                   from,
-                                   to);
-
-        return Py::None();
+                                   DrawUtil::invertY(from),
+                                   DrawUtil::invertY(to));
+        PyObject* dvdPy = dvd->getPyObject();
+        return Py::asObject(dvdPy);
+//        return Py::None();
     }
 
     Py::Object makeDistanceDim3d(const Py::Tuple& args)
@@ -869,8 +873,10 @@ private:
         if (PyObject_TypeCheck(pTo, &(Base::VectorPy::Type))) {
             to = static_cast<Base::VectorPy*>(pTo)->value();
         }
+        //3d points are not scaled
         from = DrawUtil::invertY(dvp->projectPoint(from));
         to   = DrawUtil::invertY(dvp->projectPoint(to));
+        //DrawViewDimension* = 
         DrawDimHelper::makeDistDim(dvp,
                                    dimType,
                                    from,