VTK  9.2.6
vtkPixel.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkPixel.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=========================================================================*/
27
28#ifndef vtkPixel_h
29#define vtkPixel_h
30
31#include "vtkCell.h"
32#include "vtkCommonDataModelModule.h" // For export macro
33
34class vtkLine;
36
37class VTKCOMMONDATAMODEL_EXPORT vtkPixel : public vtkCell
38{
39public:
40 static vtkPixel* New();
41 vtkTypeMacro(vtkPixel, vtkCell);
42 void PrintSelf(ostream& os, vtkIndent indent) override;
43
45
48 int GetCellType() override { return VTK_PIXEL; }
49 int GetCellDimension() override { return 2; }
50 int GetNumberOfEdges() override { return 4; }
51 int GetNumberOfFaces() override { return 0; }
52 vtkCell* GetEdge(int edgeId) override;
53 vtkCell* GetFace(int) override { return nullptr; }
54 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
55 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
56 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
57 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
58 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
59 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
60 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
61 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
62 double& dist2, double weights[]) override;
63 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
65
78 int Inflate(double dist) override;
79
83 double ComputeBoundingSphere(double center[3]) const override;
84
88 int GetParametricCenter(double pcoords[3]) override;
89
90 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
91 double pcoords[3], int& subId) override;
92 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
94 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
95 double* GetParametricCoords() override;
96
97 static void InterpolationFunctions(const double pcoords[3], double weights[4]);
98 static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
100
104 void InterpolateFunctions(const double pcoords[3], double weights[4]) override
105 {
106 vtkPixel::InterpolationFunctions(pcoords, weights);
107 }
108 void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
109 {
110 vtkPixel::InterpolationDerivs(pcoords, derivs);
111 }
112
113
119 int ComputeNormal(double n[3]);
120
121protected:
123 ~vtkPixel() override;
124
126
127private:
128 vtkPixel(const vtkPixel&) = delete;
129 void operator=(const vtkPixel&) = delete;
130};
131
132//----------------------------------------------------------------------------
133inline int vtkPixel::GetParametricCenter(double pcoords[3])
134{
135 pcoords[0] = pcoords[1] = 0.5;
136 pcoords[2] = 0.0;
137 return 0;
138}
139
140#endif
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:42
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
list of point or cell ids
Definition vtkIdList.h:34
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:34
vtkCell * GetEdge(int edgeId) override
See the vtkCell API for descriptions of these methods.
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:53
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:48
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkPixel.h:108
static vtkPixel * New()
int ComputeNormal(double n[3])
vtkPixel's normal cannot be computed using vtkPolygon::ComputeNormal because its points are not sorte...
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override
See the vtkCell API for descriptions of these methods.
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:50
void InterpolateFunctions(const double pcoords[3], double weights[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkPixel.h:104
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:51
static void InterpolationDerivs(const double pcoords[3], double derivs[8])
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Intersect with a ray.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
double ComputeBoundingSphere(double center[3]) const override
Computes exact bounding sphere of this pixel.
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
See the vtkCell API for descriptions of these methods.
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition vtkPixel.h:133
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:49
int Inflate(double dist) override
Inflates this pixel by a distance of dist by moving the edges of the pixel by that distance.
~vtkPixel() override
vtkLine * Line
Definition vtkPixel.h:125
void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
static void InterpolationFunctions(const double pcoords[3], double weights[4])
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.
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) 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.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
represent and manipulate point attribute data
represent and manipulate 3D points
Definition vtkPoints.h:40
@ VTK_PIXEL
Definition vtkCellType.h:54
#define vtkDataArray
int vtkIdType
Definition vtkType.h:332