Open Inventor Release 2024.2.0
 
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MxQuadrangle8CellExtract.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 _MxQuadrangle8CellExtract_h
24#define _MxQuadrangle8CellExtract_h
25
26#include <MeshVizXLM/mesh/geometry/MiGeometryI.h>
27
28#include <Inventor/STL/vector>
29#include <Inventor/STL/utility>
30
31class MiSurfaceCell;
32
57class MESHVIZXLM_EXTR_API MxQuadrangle8CellExtract
58{
59public:
60
74 static MbVec3d getIsoParametricCoord(const MiGeometryI& meshGeometry, const MiSurfaceCell* quadrangleCell, const MbVec3d &point);
75
81 static MbVec3d getIsoParametricCoord(size_t nodeIndex)
82 {
83 return MbVec3d(s_nodesIsoParametricCoords[nodeIndex]);
84 }
85
105 static void getWeight(const MiGeometryI& meshGeometry, const MiSurfaceCell* quadrangleCell, const MbVec3d &point, std::vector<double>& weights)
106 {
107 getWeight(getIsoParametricCoord(meshGeometry,quadrangleCell,point),weights);
108 }
109
122 static void getWeight(const MbVec3d &ipcoord, std::vector<double>& weights);
123
135 static void getDerivs(const MbVec3d &ipcoord, std::vector<double>& derivs);
136
150 static bool isPointInsideCell(const MiGeometryI& meshGeometry, const MiSurfaceCell* quadrangleCell, const MbVec3d &point, std::vector<double>& weights)
151 {
152 MbVec3d pcoord = getIsoParametricCoord(meshGeometry,quadrangleCell,point);
153 bool inside = ( -1.E-5 < pcoord[0] && pcoord[0] < 1 + 1.E-5 &&
154 -1.E-5 < pcoord[1] && pcoord[1] < 1 + 1.E-5 );
155 if (inside)
156 getWeight(pcoord,weights);
157 return inside;
158 }
159
167 static size_t getSubTriangleNodesIndex (std::vector<size_t>& triangleNodeIds)
168 {
169 triangleNodeIds.assign(s_subTriangleNodeIds,s_subTriangleNodeIds+(6*3));
170 return 6;
171 }
172
173 friend std::ostream& operator << (std::ostream& s, const MxQuadrangle8CellExtract& cell);
174
175private:
176 static double s_nodesIsoParametricCoords[8][3];
177 static size_t s_subTriangleNodeIds[6*3];
178};
179
180#endif
181
<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...
<a href="IconLegend.html"><img src="extMV.gif" alt="MeshViz" border="0"></a> Utility class for quadra...
static size_t getSubTriangleNodesIndex(std::vector< size_t > &triangleNodeIds)
Gets a triangulation of a quadratic quadrangle of 8 nodes.
static MbVec3d getIsoParametricCoord(const MiGeometryI &meshGeometry, const MiSurfaceCell *quadrangleCell, const MbVec3d &point)
Computes the iso parametric coordinates of the given point in the given cell with the given geometry.
static void getWeight(const MbVec3d &ipcoord, std::vector< double > &weights)
Gets the weights of a point defined by its iso parametric coordinates.
static bool isPointInsideCell(const MiGeometryI &meshGeometry, const MiSurfaceCell *quadrangleCell, const MbVec3d &point, std::vector< double > &weights)
Checks if a point is inside or outside a quadrangle cell.
static void getDerivs(const MbVec3d &ipcoord, std::vector< double > &derivs)
Gets the value of the derivatives of the shape functions (aka weights) at the point given by its iso ...
static MbVec3d getIsoParametricCoord(size_t nodeIndex)
Returns the iso parametric coordinates of one of the 8 nodes of a quadrangle cell.
static void getWeight(const MiGeometryI &meshGeometry, const MiSurfaceCell *quadrangleCell, const MbVec3d &point, std::vector< double > &weights)
Gets the weights in the given cell of the given point.
MbVec3< double > MbVec3d
Vector of 3 double coordinates.
Definition MbVec3.h:532