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=========================================================================*/
24
25#ifndef vtkPixel_h
26#define vtkPixel_h
27
28#include "vtkCell.h"
29#include "vtkCommonDataModelModule.h" // For export macro
30
31class vtkLine;
33
34class VTKCOMMONDATAMODEL_EXPORT vtkPixel : public vtkCell
35{
36public:
37 static vtkPixel* New();
38 vtkTypeMacro(vtkPixel, vtkCell);
39 void PrintSelf(ostream& os, vtkIndent indent) override;
40
42
45 int GetCellType() override { return VTK_PIXEL; }
46 int GetCellDimension() override { return 2; }
47 int GetNumberOfEdges() override { return 4; }
48 int GetNumberOfFaces() override { return 0; }
49 vtkCell* GetEdge(int edgeId) override;
50 vtkCell* GetFace(int) override { return nullptr; }
51 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
52 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
53 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
54 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
55 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
56 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
57 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
58 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
59 double& dist2, double weights[]) override;
60 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
62
75 int Inflate(double dist) override;
76
80 double ComputeBoundingSphere(double center[3]) const override;
81
85 int GetParametricCenter(double pcoords[3]) override;
86
87 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
88 double pcoords[3], int& subId) override;
89 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
91 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
92 double* GetParametricCoords() override;
93
94 static void InterpolationFunctions(const double pcoords[3], double weights[4]);
95 static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
97
101 void InterpolateFunctions(const double pcoords[3], double weights[4]) override
102 {
103 vtkPixel::InterpolationFunctions(pcoords, weights);
104 }
105 void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
106 {
107 vtkPixel::InterpolationDerivs(pcoords, derivs);
108 }
109
110
116 int ComputeNormal(double n[3]);
117
118protected:
120 ~vtkPixel() override;
121
123
124private:
125 vtkPixel(const vtkPixel&) = delete;
126 void operator=(const vtkPixel&) = delete;
127};
128
129//----------------------------------------------------------------------------
130inline int vtkPixel::GetParametricCenter(double pcoords[3])
131{
132 pcoords[0] = pcoords[1] = 0.5;
133 pcoords[2] = 0.0;
134 return 0;
135}
136
137#endif
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:36
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
list of point or cell ids
Definition vtkIdList.h:31
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:34
cell represents a 1D line
Definition vtkLine.h:31
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:50
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:45
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkPixel.h:105
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:47
void InterpolateFunctions(const double pcoords[3], double weights[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkPixel.h:101
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:48
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:130
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:46
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:122
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:34
@ VTK_PIXEL
Definition vtkCellType.h:54
#define vtkDataArray
int vtkIdType
Definition vtkType.h:332