Add utility class to better debug algorithms

src/Mod/Mesh/App/Core/Algorithm.cpp

@@ -255,6 +255,17 @@ float MeshAlgorithm::GetAverageEdgeLength() const
     return fLen;
 }
 
+Base::Vector3f MeshAlgorithm::GetGravityPoint() const
+{
+    Base::Vector3f center;
+    MeshPointIterator cP(_rclMesh);
+    for (cP.Init(); cP.More(); cP.Next()) {
+        center += *cP;
+    }
+
+    return center / (float)_rclMesh.CountPoints();
+}
+
 void MeshAlgorithm::GetMeshBorders (std::list<std::vector<Base::Vector3f> > &rclBorders) const
 {
     std::vector<unsigned long> aulAllFacets(_rclMesh.CountFacets());

src/Mod/Mesh/App/Core/Algorithm.h

@@ -115,6 +115,10 @@ public:
    * Calculates the average length of edges.
    */
   float GetAverageEdgeLength() const;
+  /**
+   * Calculates the gravity point of the mesh.
+   */
+  Base::Vector3f GetGravityPoint() const;
   /**
    * Returns all boundaries of the mesh.
    */