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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=========================================================================*/
31#ifndef vtkQuad_h
32#define vtkQuad_h
33
34#include "vtkCommonDataModelModule.h" // For export macro
35#include "vtkCell.h"
36
37class vtkLine;
38class vtkTriangle;
40
41class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
42{
43public:
44 static vtkQuad *New();
45 vtkTypeMacro(vtkQuad,vtkCell);
46 void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
47
49
52 int GetCellType() VTK_OVERRIDE {return VTK_QUAD;};
53 int GetCellDimension() VTK_OVERRIDE {return 2;};
54 int GetNumberOfEdges() VTK_OVERRIDE {return 4;};
55 int GetNumberOfFaces() VTK_OVERRIDE {return 0;};
56 vtkCell *GetEdge(int edgeId) VTK_OVERRIDE;
57 vtkCell *GetFace(int) VTK_OVERRIDE {return 0;};
58 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
59 void Contour(double value, vtkDataArray *cellScalars,
61 vtkCellArray *lines, vtkCellArray *polys,
62 vtkPointData *inPd, vtkPointData *outPd,
63 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
64 int EvaluatePosition(double x[3], double* closestPoint,
65 int& subId, double pcoords[3],
66 double& dist2, double *weights) VTK_OVERRIDE;
67 void EvaluateLocation(int& subId, double pcoords[3], double x[3],
68 double *weights) VTK_OVERRIDE;
69 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
70 double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
71 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
72 void Derivatives(int subId, double pcoords[3], double *values,
73 int dim, double *derivs) VTK_OVERRIDE;
74 double *GetParametricCoords() VTK_OVERRIDE;
76
80 int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
81
86 void Clip(double value, vtkDataArray *cellScalars,
88 vtkPointData *inPd, vtkPointData *outPd,
89 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
90 int insideOut) VTK_OVERRIDE;
91
95 static void InterpolationFunctions(double pcoords[3], double sf[4]);
99 static void InterpolationDerivs(double pcoords[3], double derivs[8]);
101
105 void InterpolateFunctions(double pcoords[3], double sf[4]) VTK_OVERRIDE
106 {
108 }
109 void InterpolateDerivs(double pcoords[3], double derivs[8]) VTK_OVERRIDE
110 {
111 vtkQuad::InterpolationDerivs(pcoords,derivs);
112 }
114
119 int *GetEdgeArray(int edgeId);
120
121protected:
123 ~vtkQuad() VTK_OVERRIDE;
124
125 vtkLine *Line;
126 vtkTriangle *Triangle;
127
128private:
129 vtkQuad(const vtkQuad&) VTK_DELETE_FUNCTION;
130 void operator=(const vtkQuad&) VTK_DELETE_FUNCTION;
131};
132//----------------------------------------------------------------------------
133inline int vtkQuad::GetParametricCenter(double pcoords[3])
134{
135 pcoords[0] = pcoords[1] = 0.5;
136 pcoords[2] = 0.0;
137 return 0;
138}
139
140
141#endif
142
143
object to represent cell connectivity
Definition: vtkCellArray.h:51
represent and manipulate cell attribute data
Definition: vtkCellData.h:39
abstract class to specify cell behavior
Definition: vtkCell.h:60
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
list of point or cell ids
Definition: vtkIdList.h:37
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:40
cell represents a 1D line
Definition: vtkLine.h:36
represent and manipulate point attribute data
Definition: vtkPointData.h:38
represent and manipulate 3D points
Definition: vtkPoints.h:40
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:42
void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
static void InterpolationDerivs(double pcoords[3], double derivs[8])
void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
static void InterpolationFunctions(double pcoords[3], double sf[4])
int EvaluatePosition(double x[3], double *closestPoint, 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...
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkQuad() override
void InterpolateDerivs(double pcoords[3], double derivs[8]) override
Definition: vtkQuad.h:109
int * GetEdgeArray(int edgeId)
Return the ids of the vertices defining edge (edgeId).
int IntersectWithLine(double p1[3], double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Intersect with a ray.
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkQuad.h:54
static vtkQuad * New()
vtkCell * GetEdge(int edgeId) override
Return the edge cell from the edgeId of the cell.
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:52
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkQuad.h:55
int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) override
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkQuad.h:57
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkQuad.h:53
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.
a cell that represents a triangle
Definition: vtkTriangle.h:42
@ value
Definition: vtkX3D.h:220
@ index
Definition: vtkX3D.h:246
@ VTK_QUAD
Definition: vtkCellType.h:54
int vtkIdType
Definition: vtkType.h:287