MxHexahedron21CellExtract.h

Go to the documentation of this file.

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
 ***                                                                                ***
 ***                   COPYRIGHT (C) 1996-2017 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef  _MxHexahedron21CellExtract_h
#define  _MxHexahedron21CellExtract_h
 
#include <MeshVizXLM/mesh/geometry/MiGeometryI.h>
 
#include <Inventor/STL/vector>
#include <Inventor/STL/utility>
 
class MiVolumeCell;
 
{
public:
 
  static MbVec3d getIsoParametricCoord(const MiGeometryI& meshGeometry, const MiVolumeCell* hexahedronCell, const MbVec3d &point);
  
  static MbVec3d getIsoParametricCoord(size_t nodeIndex);
 
  static void getWeight(const MiGeometryI& meshGeometry, const MiVolumeCell* hexahedronCell, const MbVec3d &point, std::vector<double>& weights)
  {
    MbVec3d ipcoord = getIsoParametricCoord(meshGeometry,hexahedronCell,point);
    getWeight(ipcoord,weights);
  }
 
  static void getWeight(const MbVec3d &ipcoord, std::vector<double>& weights);
 
  static void getDerivs(const MbVec3d &ipcoord, std::vector<double>& derivs);
 
  static bool isPointInsideCell(const MiGeometryI& meshGeometry, const MiVolumeCell* hexahedronCell, const MbVec3d &point, std::vector<double>& weights)
  {
    MbVec3d pcoord = getIsoParametricCoord(meshGeometry,hexahedronCell,point);
    bool inside = ( -1.E-5 < pcoord[0] &&  pcoord[0] < 1 + 1.E-5 &&
                    -1.E-5 < pcoord[1] &&  pcoord[1] < 1 + 1.E-5 &&
                    -1.E-5 < pcoord[2] &&  pcoord[2] < 1 + 1.E-5 );
    if (inside)
      getWeight(pcoord,weights);
    return inside;
  }
 
  static size_t getSubTriangleNodesIndex(size_t facet, std::vector<size_t>& triangleNodeIds)  
  {
    triangleNodeIds.assign(s_subFacetNode[facet],s_subFacetNode[facet]+18);
    return 6;
  }
 
private:
 
  static bool initClass();
  static void exitClass();
 
  static bool   s_isInit;
  static double s_nodesIsoParametricCoords[21][3];
  static size_t s_subFacetNode[6][18];
  static size_t s_iperm[2][12];
 
};
 
#endif