forked from Kitware/VTK
-
Notifications
You must be signed in to change notification settings - Fork 0
/
vtkLagrangeHexahedron.h
140 lines (119 loc) · 5.01 KB
/
vtkLagrangeHexahedron.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*=========================================================================
Program: Visualization Toolkit
Module: vtkLagrangeHexahedron.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkLagrangeHexahedron
* @brief A 3D cell that represents an arbitrary order Lagrange hex
*
* vtkLagrangeHexahedron is a concrete implementation of vtkCell to represent a
* 3D hexahedron using Lagrange shape functions of user specified order.
*
* @sa
* vtkHexahedron
*/
#ifndef vtkLagrangeHexahedron_h
#define vtkLagrangeHexahedron_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkNonLinearCell.h"
#include "vtkSmartPointer.h" // For member variable.
#include "vtkCellType.h" // For GetCellType.
#include "vtkNew.h" // For member variable.
class vtkCellData;
class vtkDoubleArray;
class vtkHexahedron;
class vtkIdList;
class vtkLagrangeCurve;
class vtkLagrangeInterpolation;
class vtkLagrangeQuadrilateral;
class vtkPointData;
class vtkPoints;
class vtkVector3d;
class vtkVector3i;
class VTKCOMMONDATAMODEL_EXPORT vtkLagrangeHexahedron : public vtkNonLinearCell
{
public:
static vtkLagrangeHexahedron* New();
vtkTypeMacro(vtkLagrangeHexahedron,vtkNonLinearCell);
void PrintSelf(ostream& os, vtkIndent indent) override;
int GetCellType() override { return VTK_LAGRANGE_HEXAHEDRON; }
int GetCellDimension() override { return 3; }
int RequiresInitialization() override { return 1; }
int GetNumberOfEdges() override { return 12; }
int GetNumberOfFaces() override { return 6; }
vtkCell* GetEdge(int edgeId) override;
vtkCell* GetFace(int faceId) override;
void Initialize() override;
int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
int EvaluatePosition(const double x[3], double closestPoint[3],
int& subId, double pcoords[3],
double& dist2, double weights[]) override;
void EvaluateLocation(
int& subId, const double pcoords[3], double x[3],
double* weights) override;
void Contour(
double value, vtkDataArray* cellScalars,
vtkIncrementalPointLocator* locator, vtkCellArray* verts,
vtkCellArray* lines, vtkCellArray* polys,
vtkPointData* inPd, vtkPointData* outPd,
vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
void Clip(
double value, vtkDataArray* cellScalars,
vtkIncrementalPointLocator* locator, vtkCellArray* polys,
vtkPointData* inPd, vtkPointData* outPd,
vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd,
int insideOut) override;
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t,
double x[3], double pcoords[3], int& subId) override;
int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
void Derivatives(
int subId, const double pcoords[3], const double* values,
int dim, double* derivs) override;
double* GetParametricCoords() override;
int GetParametricCenter(double center[3]) override;
double GetParametricDistance(const double pcoords[3]) override;
const int* GetOrder();
int GetOrder(int i) { return this->GetOrder()[i]; }
void InterpolateFunctions(const double pcoords[3], double* weights) override;
void InterpolateDerivs(const double pcoords[3], double* derivs) override;
bool SubCellCoordinatesFromId(vtkVector3i& ijk, int subId);
bool SubCellCoordinatesFromId(int& i, int& j, int& k, int subId);
static int PointIndexFromIJK(int i, int j, int k, const int* order);
int PointIndexFromIJK(int i, int j, int k);
bool TransformApproxToCellParams(int subCell, double* pcoords);
bool TransformFaceToCellParams(int bdyFace, double* pcoords);
protected:
vtkLagrangeHexahedron();
~vtkLagrangeHexahedron() override;
vtkHexahedron* GetApprox();
void PrepareApproxData(vtkPointData* pd, vtkCellData* cd, vtkIdType cellId, vtkDataArray* cellScalars);
vtkHexahedron* GetApproximateHex(
int subId, vtkDataArray* scalarsIn = nullptr, vtkDataArray* scalarsOut = nullptr);
int Order[4];
vtkSmartPointer<vtkPoints> PointParametricCoordinates;
vtkSmartPointer<vtkHexahedron> Approx;
vtkSmartPointer<vtkPointData> ApproxPD;
vtkSmartPointer<vtkCellData> ApproxCD;
vtkNew<vtkDoubleArray> CellScalars;
vtkNew<vtkDoubleArray> Scalars;
vtkNew<vtkPoints> TmpPts;
vtkNew<vtkIdList> TmpIds;
vtkNew<vtkLagrangeQuadrilateral> FaceCell;
vtkNew<vtkLagrangeCurve> EdgeCell;
vtkNew<vtkLagrangeInterpolation> Interp;
private:
vtkLagrangeHexahedron(const vtkLagrangeHexahedron&) = delete;
void operator=(const vtkLagrangeHexahedron&) = delete;
};
inline int vtkLagrangeHexahedron::GetParametricCenter(double center[3])
{
center[0] = center[1] = center[2] = 0.5;
return 0;
}
#endif // vtkLagrangeHexahedron_h