VTK: Common/DataModel/vtkBiQuadraticTriangle.h Source File

| VTK 9.3.1

vtkBiQuadraticTriangle.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-FileCopyrightText: Copyright (c) EDF - www.edf.fr
3 // SPDX-License-Identifier: BSD-3-Clause
38 #ifndef vtkBiQuadraticTriangle_h
39 #define vtkBiQuadraticTriangle_h
40
41 #include "vtkCommonDataModelModule.h" // For export macro
42 #include "vtkNonLinearCell.h"
43
44 VTK_ABI_NAMESPACE_BEGIN
45 class vtkQuadraticEdge;
46 class vtkTriangle;
47 class vtkDoubleArray;
48
49 class VTKCOMMONDATAMODEL_EXPORT vtkBiQuadraticTriangle : public vtkNonLinearCell
50 {
51 public:
52 static vtkBiQuadraticTriangle* New();
53 vtkTypeMacro(vtkBiQuadraticTriangle, vtkNonLinearCell);
54 void PrintSelf(ostream& os, vtkIndent indent) override;
55
57
61 int GetCellType() override { return VTK_BIQUADRATIC_TRIANGLE; }
62 int GetCellDimension() override { return 2; }
63 int GetNumberOfEdges() override { return 3; }
64 int GetNumberOfFaces() override { return 0; }
65 vtkCell* GetEdge(int edgeId) override;
66 vtkCell* GetFace(int) override { return nullptr; }
68
69 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
70 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
71 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
72 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
73 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
74 double& dist2, double weights[]) override;
75 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
76 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
77 void Derivatives(
78 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
79 double* GetParametricCoords() override;
80
86 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
87 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
88 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
89
94 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
95 double pcoords[3], int& subId) override;
96
100 int GetParametricCenter(double pcoords[3]) override;
101
106 double GetParametricDistance(const double pcoords[3]) override;
107
108 static void InterpolationFunctions(const double pcoords[3], double weights[7]);
109 static void InterpolationDerivs(const double pcoords[3], double derivs[14]);
111
115 void InterpolateFunctions(const double pcoords[3], double weights[7]) override
116 {
117 vtkBiQuadraticTriangle::InterpolationFunctions(pcoords, weights);
118 }
119 void InterpolateDerivs(const double pcoords[3], double derivs[14]) override
120 {
121 vtkBiQuadraticTriangle::InterpolationDerivs(pcoords, derivs);
122 }
124
125 protected:
126 vtkBiQuadraticTriangle();
127 ~vtkBiQuadraticTriangle() override;
128
129 vtkQuadraticEdge* Edge;
130 vtkTriangle* Face;
131 vtkDoubleArray* Scalars; // used to avoid New/Delete in contouring/clipping
132
133 private:
134 vtkBiQuadraticTriangle(const vtkBiQuadraticTriangle&) = delete;
135 void operator=(const vtkBiQuadraticTriangle&) = delete;
136 };
137 //----------------------------------------------------------------------------
138 inline int vtkBiQuadraticTriangle::GetParametricCenter(double pcoords[3])
139 {
140 pcoords[0] = pcoords[1] = 1. / 3;
141 pcoords[2] = 0.0;
142 return 0;
143 }
144
145 VTK_ABI_NAMESPACE_END
146 #endif
vtkBiQuadraticTriangle
cell represents a parabolic, isoparametric triangle
Definition: vtkBiQuadraticTriangle.h:50
vtkBiQuadraticTriangle::InterpolationFunctions
static void InterpolationFunctions(const double pcoords[3], double weights[7])
vtkBiQuadraticTriangle::EvaluateLocation
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
vtkBiQuadraticTriangle::GetNumberOfFaces
int GetNumberOfFaces() override
Implement the vtkCell API.
Definition: vtkBiQuadraticTriangle.h:64
vtkBiQuadraticTriangle::GetFace
vtkCell * GetFace(int) override
Implement the vtkCell API.
Definition: vtkBiQuadraticTriangle.h:66
vtkBiQuadraticTriangle::Clip
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
Clip this quadratic triangle using scalar value provided.
vtkBiQuadraticTriangle::GetParametricCenter
int GetParametricCenter(double pcoords[3]) override
Return the center of the quadratic triangle in parametric coordinates.
Definition: vtkBiQuadraticTriangle.h:138
vtkBiQuadraticTriangle::Derivatives
void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
vtkBiQuadraticTriangle::GetCellType
int GetCellType() override
Implement the vtkCell API.
Definition: vtkBiQuadraticTriangle.h:61
vtkBiQuadraticTriangle::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkBiQuadraticTriangle::CellBoundary
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
vtkBiQuadraticTriangle::Triangulate
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
vtkBiQuadraticTriangle::GetParametricDistance
double GetParametricDistance(const double pcoords[3]) override
Return the distance of the parametric coordinate provided to the cell.
vtkBiQuadraticTriangle::GetEdge
vtkCell * GetEdge(int edgeId) override
Implement the vtkCell API.
vtkBiQuadraticTriangle::GetCellDimension
int GetCellDimension() override
Implement the vtkCell API.
Definition: vtkBiQuadraticTriangle.h:62
vtkBiQuadraticTriangle::InterpolateDerivs
void InterpolateDerivs(const double pcoords[3], double derivs[14]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkBiQuadraticTriangle.h:119
vtkBiQuadraticTriangle::Face
vtkTriangle * Face
Definition: vtkBiQuadraticTriangle.h:130
vtkBiQuadraticTriangle::~vtkBiQuadraticTriangle
~vtkBiQuadraticTriangle() override
vtkBiQuadraticTriangle::GetParametricCoords
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkBiQuadraticTriangle::GetNumberOfEdges
int GetNumberOfEdges() override
Implement the vtkCell API.
Definition: vtkBiQuadraticTriangle.h:63
vtkBiQuadraticTriangle::Contour
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
Generate contouring primitives.
vtkBiQuadraticTriangle::InterpolationDerivs
static void InterpolationDerivs(const double pcoords[3], double derivs[14])
vtkBiQuadraticTriangle::Scalars
vtkDoubleArray * Scalars
Definition: vtkBiQuadraticTriangle.h:131
vtkBiQuadraticTriangle::vtkBiQuadraticTriangle
vtkBiQuadraticTriangle()
vtkBiQuadraticTriangle::InterpolateFunctions
void InterpolateFunctions(const double pcoords[3], double weights[7]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkBiQuadraticTriangle.h:115
vtkBiQuadraticTriangle::New
static vtkBiQuadraticTriangle * New()
vtkBiQuadraticTriangle::EvaluatePosition
int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
vtkBiQuadraticTriangle::Edge
vtkQuadraticEdge * Edge
Definition: vtkBiQuadraticTriangle.h:129
vtkBiQuadraticTriangle::IntersectWithLine
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Line-edge intersection.
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:185
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:40
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:59
vtkCell::GetParametricCenter
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
vtkDoubleArray
dynamic, self-adjusting array of double
Definition: vtkDoubleArray.h:40
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:32
vtkIncrementalPointLocator
Abstract class in support of both point location and point insertion.
Definition: vtkIncrementalPointLocator.h:41
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:38
vtkNonLinearCell
abstract superclass for non-linear cells
Definition: vtkNonLinearCell.h:26
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:39
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:38
vtkQuadraticEdge
cell represents a parabolic, isoparametric edge
Definition: vtkQuadraticEdge.h:42
vtkTriangle
a cell that represents a triangle
Definition: vtkTriangle.h:37
vtkX3D::value
@ value
Definition: vtkX3D.h:220
vtkX3D::index
@ index
Definition: vtkX3D.h:246
VTK_BIQUADRATIC_TRIANGLE
@ VTK_BIQUADRATIC_TRIANGLE
Definition: vtkCellType.h:80
vtkNonLinearCell.h
vtkIdType
int vtkIdType
Definition: vtkType.h:315