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 =========================================================================*/
28 #ifndef vtkPixel_h
29 #define vtkPixel_h
30 
31 #include "vtkCell.h"
32 #include "vtkCommonDataModelModule.h" // For export macro
33 
34 class vtkLine;
36 
37 class VTKCOMMONDATAMODEL_EXPORT vtkPixel : public vtkCell
38 {
39 public:
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;
93  void Derivatives(
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  }
113 
119  int ComputeNormal(double n[3]);
120 
121 protected:
122  vtkPixel();
123  ~vtkPixel() override;
124 
126 
127 private:
128  vtkPixel(const vtkPixel&) = delete;
129  void operator=(const vtkPixel&) = delete;
130 };
131 
132 //----------------------------------------------------------------------------
133 inline 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
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:53
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:50
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
Definition: vtkPointData.h:41
vtkLine * Line
Definition: vtkPixel.h:125
represent and manipulate cell attribute data
Definition: vtkCellData.h:41
a cell that represents an orthogonal quadrilateral
Definition: vtkPixel.h:37
Abstract class in support of both point location and point insertion.
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
int vtkIdType
Definition: vtkType.h:332
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:48
virtual double ComputeBoundingSphere(double center[3]) const
Computes the bounding sphere of the cell.
virtual int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts)=0
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
cell represents a 1D line
Definition: vtkLine.h:33
abstract class to specify cell behavior
Definition: vtkCell.h:60
virtual void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights)=0
Determine global coordinate (x[3]) from subId and parametric coordinates.
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkPixel.h:108
a simple class to control print indentation
Definition: vtkIndent.h:39
list of point or cell ids
Definition: vtkIdList.h:33
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
virtual int Inflate(double dist)
Inflates the cell.
virtual void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)=0
Cut (or clip) the cell based on the input cellScalars and the specified value.
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkPixel.h:133
virtual int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[])=0
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
object to represent cell connectivity
Definition: vtkCellArray.h:186
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
static void InterpolationFunctions(const double pcoords[3], double weights[4])
static void InterpolationDerivs(const double pcoords[3], double derivs[8])
virtual void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd)=0
Generate contouring primitives.
virtual void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs)=0
Compute derivatives given cell subId and parametric coordinates.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual double * GetParametricCoords())
Return a contiguous array of parametric coordinates of the points defining this cell.
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
virtual int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
Intersect with a ray.
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:49
void InterpolateFunctions(const double pcoords[3], double weights[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkPixel.h:104
represent and manipulate 3D points
Definition: vtkPoints.h:39
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:51