Open Inventor Release 2024.2.1
 
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MxHexahedron21CellExtract.h
1/*=======================================================================
2 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
3 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
4 *** ***
5 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
6 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
7 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
8 *** ***
9 *** RESTRICTED RIGHTS LEGEND ***
10 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
11 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
12 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
13 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
14 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
15 *** ***
16 *** COPYRIGHT (C) 1996-2017 BY FEI S.A.S, ***
17 *** BORDEAUX, FRANCE ***
18 *** ALL RIGHTS RESERVED ***
19**=======================================================================*/
20/*=======================================================================
21** Author : VSG (MMM YYYY)
22**=======================================================================*/
23#ifndef _MxHexahedron21CellExtract_h
24#define _MxHexahedron21CellExtract_h
25
26#include <MeshVizXLM/mesh/geometry/MiGeometryI.h>
27
28#include <Inventor/STL/vector>
29#include <Inventor/STL/utility>
30
31class MiVolumeCell;
32
53{
54public:
55
59 static MbVec3d getIsoParametricCoord(const MiGeometryI& meshGeometry, const MiVolumeCell* hexahedronCell, const MbVec3d &point);
60
64 static MbVec3d getIsoParametricCoord(size_t nodeIndex);
65
70 static void getWeight(const MiGeometryI& meshGeometry, const MiVolumeCell* hexahedronCell, const MbVec3d &point, std::vector<double>& weights)
71 {
72 MbVec3d ipcoord = getIsoParametricCoord(meshGeometry,hexahedronCell,point);
73 getWeight(ipcoord,weights);
74 }
75
79 static void getWeight(const MbVec3d &ipcoord, std::vector<double>& weights);
80
85 static void getDerivs(const MbVec3d &ipcoord, std::vector<double>& derivs);
86
90 static bool isPointInsideCell(const MiGeometryI& meshGeometry, const MiVolumeCell* hexahedronCell, const MbVec3d &point, std::vector<double>& weights)
91 {
92 MbVec3d pcoord = getIsoParametricCoord(meshGeometry,hexahedronCell,point);
93 bool inside = ( -1.E-5 < pcoord[0] && pcoord[0] < 1 + 1.E-5 &&
94 -1.E-5 < pcoord[1] && pcoord[1] < 1 + 1.E-5 &&
95 -1.E-5 < pcoord[2] && pcoord[2] < 1 + 1.E-5 );
96 if (inside)
97 getWeight(pcoord,weights);
98 return inside;
99 }
100
107 static size_t getSubTriangleNodesIndex(size_t facet, std::vector<size_t>& triangleNodeIds)
108 {
109 triangleNodeIds.assign(s_subFacetNode[facet],s_subFacetNode[facet]+18);
110 return 6;
111 }
112
113private:
114
115 static bool initClass();
116 static void exitClass();
117
118 static bool s_isInit;
119 static double s_nodesIsoParametricCoords[21][3];
120 static size_t s_subFacetNode[6][18];
121 static size_t s_iperm[2][12];
122
123};
124
125#endif
126
virtual MbVec3d getIsoParametricCoord(size_t nodeIndex) const
Gets the iso parametric coordinates of a cell's node.
Definition MiCell.h:184
virtual void getWeight(const MbVec3d &ipcoord, std::vector< double > &weight) const
Gets the weights of a point defined by its iso parametric coordinates.
Definition MiCell.h:153
virtual bool isPointInsideCell(const MiGeometryI &meshGeometry, const MbVec3d &point, std::vector< double > &weights) const
Checks if a point is inside or outside a cell.
Definition MiCell.h:225
<a href="IconLegend.html"><img src="extMV.gif" alt="MeshViz" border="0"></a> Generic geometry interfa...
Definition MiGeometryI.h:39
<a href="IconLegend.html"><img src="extMV.gif" alt="MeshViz" border="0"></a> Defines an abstract cell...
virtual size_t getSubTriangleNodesIndex(size_t facet, std::vector< size_t > &triangleNodeIds) const
Get a triangulation of the given facet of a non linear volume cell.