VTK  9.3.0
vtkQuad.h
Go to the documentation of this file.
1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
25 #ifndef vtkQuad_h
26 #define vtkQuad_h
27 
28 #include "vtkCell.h"
29 #include "vtkCommonDataModelModule.h" // For export macro
30 
31 VTK_ABI_NAMESPACE_BEGIN
32 class vtkLine;
33 class vtkTriangle;
35 
36 class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
37 {
38 public:
39  static vtkQuad* New();
40  vtkTypeMacro(vtkQuad, vtkCell);
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
44 
47  int GetCellType() override { return VTK_QUAD; }
48  int GetCellDimension() override { return 2; }
49  int GetNumberOfEdges() override { return 4; }
50  int GetNumberOfFaces() override { return 0; }
51  vtkCell* GetEdge(int edgeId) override;
52  vtkCell* GetFace(int) override { return nullptr; }
53  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
54  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
55  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
56  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
57  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
58  double& dist2, double weights[]) override;
59  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
60  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
61  double pcoords[3], int& subId) override;
62  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
64  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
65  double* GetParametricCoords() override;
67 
71  int GetParametricCenter(double pcoords[3]) override;
72 
77  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
78  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
79  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
80 
81  static void InterpolationFunctions(const double pcoords[3], double sf[4]);
82  static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
84 
88  void InterpolateFunctions(const double pcoords[3], double sf[4]) override
89  {
91  }
92  void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
93  {
94  vtkQuad::InterpolationDerivs(pcoords, derivs);
95  }
97 
107 
108 protected:
110  ~vtkQuad() override;
111 
114 
115 private:
116  vtkQuad(const vtkQuad&) = delete;
117  void operator=(const vtkQuad&) = delete;
118 };
119 //----------------------------------------------------------------------------
120 inline int vtkQuad::GetParametricCenter(double pcoords[3])
121 {
122  pcoords[0] = pcoords[1] = 0.5;
123  pcoords[2] = 0.0;
124  return 0;
125 }
126 
127 VTK_ABI_NAMESPACE_END
128 #endif
object to represent cell connectivity
Definition: vtkCellArray.h:185
represent and manipulate cell attribute data
Definition: vtkCellData.h:40
abstract class to specify cell behavior
Definition: vtkCell.h:59
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
list of point or cell ids
Definition: vtkIdList.h:32
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:38
cell represents a 1D line
Definition: vtkLine.h:32
represent and manipulate point attribute data
Definition: vtkPointData.h:39
represent and manipulate 3D points
Definition: vtkPoints.h:38
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:37
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:92
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:120
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:113
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:52
vtkLine * Line
Definition: vtkQuad.h:112
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:49
void InterpolateFunctions(const double pcoords[3], double sf[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:88
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:47
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:50
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:48
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:37
@ value
Definition: vtkX3D.h:220
@ index
Definition: vtkX3D.h:246
@ VTK_QUAD
Definition: vtkCellType.h:55
int vtkIdType
Definition: vtkType.h:315