VTK  9.3.0
vtkPixel.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 vtkPixel_h
17#define vtkPixel_h
18
19#include "vtkCell.h"
20#include "vtkCommonDataModelModule.h" // For export macro
21
22VTK_ABI_NAMESPACE_BEGIN
23class vtkLine;
25
26class VTKCOMMONDATAMODEL_EXPORT vtkPixel : public vtkCell
27{
28public:
29 static vtkPixel* New();
30 vtkTypeMacro(vtkPixel, vtkCell);
31 void PrintSelf(ostream& os, vtkIndent indent) override;
32
34
37 int GetCellType() override { return VTK_PIXEL; }
38 int GetCellDimension() override { return 2; }
39 int GetNumberOfEdges() override { return 4; }
40 int GetNumberOfFaces() override { return 0; }
41 vtkCell* GetEdge(int edgeId) override;
42 vtkCell* GetFace(int) override { return nullptr; }
43 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
44 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
45 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
46 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
47 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
48 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
49 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
50 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
51 double& dist2, double weights[]) override;
52 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
54
67 int Inflate(double dist) override;
68
72 double ComputeBoundingSphere(double center[3]) const override;
73
77 int GetParametricCenter(double pcoords[3]) override;
78
79 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
80 double pcoords[3], int& subId) override;
81 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
83 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
84 double* GetParametricCoords() override;
85
86 static void InterpolationFunctions(const double pcoords[3], double weights[4]);
87 static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
89
93 void InterpolateFunctions(const double pcoords[3], double weights[4]) override
94 {
95 vtkPixel::InterpolationFunctions(pcoords, weights);
96 }
97 void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
98 {
99 vtkPixel::InterpolationDerivs(pcoords, derivs);
100 }
102
108 int ComputeNormal(double n[3]);
109
110protected:
112 ~vtkPixel() override;
113
115
116private:
117 vtkPixel(const vtkPixel&) = delete;
118 void operator=(const vtkPixel&) = delete;
119};
120
121//----------------------------------------------------------------------------
122inline int vtkPixel::GetParametricCenter(double pcoords[3])
123{
124 pcoords[0] = pcoords[1] = 0.5;
125 pcoords[2] = 0.0;
126 return 0;
127}
128
129VTK_ABI_NAMESPACE_END
130#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
a cell that represents an orthogonal quadrilateral
Definition vtkPixel.h:27
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:42
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:37
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkPixel.h:97
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:39
void InterpolateFunctions(const double pcoords[3], double weights[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition vtkPixel.h:93
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:40
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:122
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition vtkPixel.h:38
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:114
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:29
@ VTK_PIXEL
Definition vtkCellType.h:45
int vtkIdType
Definition vtkType.h:315