EgtGeomKernel :

- migliorata GetDepth di VolZmap, con flag per scelta algoritmo.

HashGrids2d.cpp

@@ -44,7 +44,7 @@ class HashGrid2d
             : m_Objs( nullptr), m_neighborOffset( nullptr), m_occupiedCellsId( 0) {}
       } ;
 
-      typedef std::vector<Cell*>  CellVector ;
+      typedef vector<Cell*>  CellVector ;
 
    public :
       explicit HashGrid2d( double dCellSpan) ;
@@ -695,7 +695,7 @@ HashGrids2d::addGrid( ObjData& obj)
          // If no hash grid yet exists in the hierarchy, an initial hash grid is created
          // based on the body's size.
 
-         pGrid = new HashGrid2d( size * std::sqrt( hierarchyFactor)) ;
+         pGrid = new HashGrid2d( size * sqrt( hierarchyFactor)) ;
       }
       else {
          // Check the hierarchy for a hash grid with suitably sized cells - if such a grid does not