VTK  9.2.6
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 =========================================================================*/
87 #ifndef vtkQuad_h
88 #define vtkQuad_h
89 
90 #include "vtkCell.h"
91 #include "vtkCommonDataModelModule.h" // For export macro
92 
93 class vtkLine;
94 class vtkTriangle;
96 
97 class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
98 {
99 public:
100  static vtkQuad* New();
101  vtkTypeMacro(vtkQuad, vtkCell);
102  void PrintSelf(ostream& os, vtkIndent indent) override;
103 
105 
108  int GetCellType() override { return VTK_QUAD; }
109  int GetCellDimension() override { return 2; }
110  int GetNumberOfEdges() override { return 4; }
111  int GetNumberOfFaces() override { return 0; }
112  vtkCell* GetEdge(int edgeId) override;
113  vtkCell* GetFace(int) override { return nullptr; }
114  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
115  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
116  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
117  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
118  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
119  double& dist2, double weights[]) override;
120  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
121  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
122  double pcoords[3], int& subId) override;
123  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
125  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
126  double* GetParametricCoords() override;
128 
132  int GetParametricCenter(double pcoords[3]) override;
133 
138  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
139  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
140  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
141 
142  static void InterpolationFunctions(const double pcoords[3], double sf[4]);
143  static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
145 
149  void InterpolateFunctions(const double pcoords[3], double sf[4]) override
150  {
151  vtkQuad::InterpolationFunctions(pcoords, sf);
152  }
153  void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
154  {
155  vtkQuad::InterpolationDerivs(pcoords, derivs);
156  }
158 
168 
169 protected:
171  ~vtkQuad() override;
172 
175 
176 private:
177  vtkQuad(const vtkQuad&) = delete;
178  void operator=(const vtkQuad&) = delete;
179 };
180 //----------------------------------------------------------------------------
181 inline int vtkQuad::GetParametricCenter(double pcoords[3])
182 {
183  pcoords[0] = pcoords[1] = 0.5;
184  pcoords[2] = 0.0;
185  return 0;
186 }
187 
188 #endif
object to represent cell connectivity
Definition: vtkCellArray.h:296
represent and manipulate cell attribute data
Definition: vtkCellData.h:151
abstract class to specify cell behavior
Definition: vtkCell.h:150
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:165
list of point or cell ids
Definition: vtkIdList.h:143
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:119
cell represents a 1D line
Definition: vtkLine.h:143
represent and manipulate point attribute data
Definition: vtkPointData.h:151
represent and manipulate 3D points
Definition: vtkPoints.h:149
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:98
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:153
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:181
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:174
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.
const vtkIdType * GetEdgeArray(vtkIdType edgeId)
Return the ids of the vertices defining edge (edgeId).
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.
static vtkQuad * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkQuad() override
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:113
vtkLine * Line
Definition: vtkQuad.h:173
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:110
void InterpolateFunctions(const double pcoords[3], double sf[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:149
vtkCell * GetEdge(int edgeId) override
See the vtkCell API for descriptions of these methods.
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) 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:108
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:111
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:109
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:148
@ value
Definition: vtkX3D.h:226
@ index
Definition: vtkX3D.h:252
@ VTK_QUAD
Definition: vtkCellType.h:94
int vtkIdType
Definition: vtkType.h:332