VTK  9.1.0
vtkQuad.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkQuad.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
84#ifndef vtkQuad_h
85#define vtkQuad_h
86
87#include "vtkCell.h"
88#include "vtkCommonDataModelModule.h" // For export macro
89
90class vtkLine;
91class vtkTriangle;
93
94class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
95{
96public:
97 static vtkQuad* New();
98 vtkTypeMacro(vtkQuad, vtkCell);
99 void PrintSelf(ostream& os, vtkIndent indent) override;
100
102
105 int GetCellType() override { return VTK_QUAD; }
106 int GetCellDimension() override { return 2; }
107 int GetNumberOfEdges() override { return 4; }
108 int GetNumberOfFaces() override { return 0; }
109 vtkCell* GetEdge(int edgeId) override;
110 vtkCell* GetFace(int) override { return nullptr; }
111 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
112 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
113 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
114 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
115 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
116 double& dist2, double weights[]) override;
117 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
118 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
119 double pcoords[3], int& subId) override;
120 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
122 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
123 double* GetParametricCoords() override;
125
129 int GetParametricCenter(double pcoords[3]) override;
130
135 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
136 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
137 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
138
139 static void InterpolationFunctions(const double pcoords[3], double sf[4]);
140 static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
142
146 void InterpolateFunctions(const double pcoords[3], double sf[4]) override
147 {
149 }
150 void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
151 {
152 vtkQuad::InterpolationDerivs(pcoords, derivs);
153 }
155
165
166protected:
168 ~vtkQuad() override;
169
172
173private:
174 vtkQuad(const vtkQuad&) = delete;
175 void operator=(const vtkQuad&) = delete;
176};
177//----------------------------------------------------------------------------
178inline int vtkQuad::GetParametricCenter(double pcoords[3])
179{
180 pcoords[0] = pcoords[1] = 0.5;
181 pcoords[2] = 0.0;
182 return 0;
183}
184
185#endif
object to represent cell connectivity
Definition: vtkCellArray.h:290
represent and manipulate cell attribute data
Definition: vtkCellData.h:142
abstract class to specify cell behavior
Definition: vtkCell.h:147
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:159
list of point or cell ids
Definition: vtkIdList.h:140
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:113
cell represents a 1D line
Definition: vtkLine.h:140
represent and manipulate point attribute data
Definition: vtkPointData.h:142
represent and manipulate 3D points
Definition: vtkPoints.h:143
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:95
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:150
static void InterpolationDerivs(const double pcoords[3], double derivs[8])
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkQuad.h:178
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override
See the vtkCell API for descriptions of these methods.
vtkTriangle * Triangle
Definition: vtkQuad.h:171
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 quad using scalar value provided.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
See the vtkCell API for descriptions of these methods.
void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
See the vtkCell API for descriptions of these methods.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkQuad() override
vtkLine * Line
Definition: vtkQuad.h:170
const vtkIdType * GetEdgeArray(vtkIdType edgeId)
Return the ids of the vertices defining edge (edgeId).
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
See the vtkCell API for descriptions of these methods.
int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
See the vtkCell API for descriptions of these methods.
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:107
void InterpolateFunctions(const double pcoords[3], double sf[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:146
static vtkQuad * New()
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
See the vtkCell API for descriptions of these methods.
vtkCell * GetEdge(int edgeId) override
See the vtkCell API for descriptions of these methods.
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:105
double * GetParametricCoords() override
See the vtkCell API for descriptions of these methods.
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:108
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:110
static void InterpolationFunctions(const double pcoords[3], double sf[4])
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:106
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
See the vtkCell API for descriptions of these methods.
a cell that represents a triangle
Definition: vtkTriangle.h:145
@ VTK_QUAD
Definition: vtkCellType.h:94
int vtkIdType
Definition: vtkType.h:332