+ implement method getPointNormals

src/Mod/Mesh/App/Mesh.cpp

@@ -834,6 +834,26 @@ Base::Vector3d MeshObject::getPointNormal(unsigned long index) const
     return normal;
 }
 
+std::vector<Base::Vector3d> MeshObject::getPointNormals() const
+{
+    std::vector<Base::Vector3f> temp = _kernel.CalcVertexNormals();
+
+    std::vector<Base::Vector3d> normals;
+    normals.reserve(temp.size());
+    for (std::vector<Base::Vector3f>::iterator it = temp.begin(); it != temp.end(); ++it) {
+        Base::Vector3d normal = transformToOutside(*it);
+        // the normal is a vector, hence we must not apply the translation part
+        // of the transformation to the vector
+        normal.x -= _Mtrx[0][3];
+        normal.y -= _Mtrx[1][3];
+        normal.z -= _Mtrx[2][3];
+        normal.Normalize();
+        normals.push_back(normal);
+    }
+
+    return normals;
+}
+
 void MeshObject::crossSections(const std::vector<MeshObject::TPlane>& planes, std::vector<MeshObject::TPolylines> &sections,
                                float fMinEps, bool bConnectPolygons) const
 {

src/Mod/Mesh/App/Mesh.h

@@ -205,6 +205,7 @@ public:
     void setPoint(unsigned long, const Base::Vector3d& v);
     void smooth(int iterations, float d_max);
     Base::Vector3d getPointNormal(unsigned long) const;
+    std::vector<Base::Vector3d> getPointNormals() const;
     void crossSections(const std::vector<TPlane>&, std::vector<TPolylines> &sections,
                        float fMinEps = 1.0e-2f, bool bConnectPolygons = false) const;
     void cut(const Base::Polygon2D& polygon, const Base::ViewProjMethod& proj, CutType);

src/Mod/Mesh/App/MeshPy.xml

@@ -155,6 +155,14 @@ Example:
 				</UserDocu>
 			</Documentation>
 		</Methode>
+		<Methode Name="getPointNormals" Const="true">
+			<Documentation>
+				<UserDocu>
+					getPointNormals()
+					Get the normals of the points.
+				</UserDocu>
+			</Documentation>
+		</Methode>
 		<Methode Name="countSegments" Const="true">
 			<Documentation>
 				<UserDocu>Get the number of segments which may also be 0</UserDocu>

src/Mod/Mesh/App/MeshPyImp.cpp

@@ -685,6 +685,22 @@ PyObject*  MeshPy::setPoint(PyObject *args)
     Py_Return;
 }
 
+PyObject*  MeshPy::getPointNormals(PyObject *args)
+{
+    if (!PyArg_ParseTuple(args, ""))
+        return NULL;
+
+    PY_TRY {
+        std::vector<Base::Vector3d> normals = getMeshObjectPtr()->getPointNormals();
+        Py::Tuple ary(normals.size());
+        std::size_t numNormals = normals.size();
+        for (std::size_t i=0; i<numNormals; i++) {
+            ary.setItem(i, Py::Vector(normals[i]));
+        }
+        return Py::new_reference_to(ary);
+    } PY_CATCH;
+}
+
 PyObject* MeshPy::countSegments(PyObject *args)
 {
     if (!PyArg_ParseTuple(args, ""))