VTK  9.3.0
vtkQuad.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
16#ifndef vtkQuad_h
17#define vtkQuad_h
18
19#include "vtkCell.h"
20#include "vtkCommonDataModelModule.h" // For export macro
21
22VTK_ABI_NAMESPACE_BEGIN
23class vtkLine;
24class vtkTriangle;
26
27class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
28{
29public:
30 static vtkQuad* New();
31 vtkTypeMacro(vtkQuad, vtkCell);
32 void PrintSelf(ostream& os, vtkIndent indent) override;
33
35
38 int GetCellType() override { return VTK_QUAD; }
39 int GetCellDimension() override { return 2; }
40 int GetNumberOfEdges() override { return 4; }
41 int GetNumberOfFaces() override { return 0; }
42 vtkCell* GetEdge(int edgeId) override;
43 vtkCell* GetFace(int) override { return nullptr; }
44 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
45 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
46 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
47 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
48 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
49 double& dist2, double weights[]) override;
50 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
51 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
52 double pcoords[3], int& subId) override;
53 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
55 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
56 double* GetParametricCoords() override;
58
62 int GetParametricCenter(double pcoords[3]) override;
63
68 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
69 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
70 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
71
72 static void InterpolationFunctions(const double pcoords[3], double sf[4]);
73 static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
75
79 void InterpolateFunctions(const double pcoords[3], double sf[4]) override
80 {
82 }
83 void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
84 {
85 vtkQuad::InterpolationDerivs(pcoords, derivs);
86 }
88
98
99protected:
101 ~vtkQuad() override;
102
105
106private:
107 vtkQuad(const vtkQuad&) = delete;
108 void operator=(const vtkQuad&) = delete;
109};
110//----------------------------------------------------------------------------
111inline int vtkQuad::GetParametricCenter(double pcoords[3])
112{
113 pcoords[0] = pcoords[1] = 0.5;
114 pcoords[2] = 0.0;
115 return 0;
116}
117
118VTK_ABI_NAMESPACE_END
119#endif
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:31
abstract class to specify cell behavior
Definition vtkCell.h:50
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
list of point or cell ids
Definition vtkIdList.h:23
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:29
cell represents a 1D line
Definition vtkLine.h:23
represent and manipulate point attribute data
represent and manipulate 3D points
Definition vtkPoints.h:29
a cell that represents a 2D quadrilateral
Definition vtkQuad.h:28
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkQuad.h:83
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:111
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:104
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:103
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:40
void InterpolateFunctions(const double pcoords[3], double sf[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkQuad.h:79
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:38
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:41
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition vtkQuad.h:43
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:39
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:28
@ VTK_QUAD
Definition vtkCellType.h:46
int vtkIdType
Definition vtkType.h:315