VTK
vtkPixel.h
Go to the documentation of this file.
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 =========================================================================*/
25 #ifndef vtkPixel_h
26 #define vtkPixel_h
27 
28 #include "vtkCommonDataModelModule.h" // For export macro
29 #include "vtkCell.h"
30 
31 class vtkLine;
33 
34 class VTKCOMMONDATAMODEL_EXPORT vtkPixel : public vtkCell
35 {
36 public:
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, double pcoords[3], vtkIdList *pts) override;
52  void Contour(double value, vtkDataArray *cellScalars,
54  vtkCellArray *lines, vtkCellArray *polys,
55  vtkPointData *inPd, vtkPointData *outPd,
56  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override;
57  void Clip(double value, vtkDataArray *cellScalars,
59  vtkPointData *inPd, vtkPointData *outPd,
60  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
61  int insideOut) override;
62  int EvaluatePosition(double x[3], double* closestPoint,
63  int& subId, double pcoords[3],
64  double& dist2, double *weights) override;
65  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
66  double *weights) override;
68 
72  int GetParametricCenter(double pcoords[3]) override;
73 
74  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
75  double x[3], double pcoords[3], int& subId) override;
76  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override;
77  void Derivatives(int subId, double pcoords[3], double *values,
78  int dim, double *derivs) override;
79  double *GetParametricCoords() override;
80 
84  static void InterpolationFunctions(double pcoords[3], double weights[4]);
88  static void InterpolationDerivs(double pcoords[3], double derivs[8]);
90 
94  void InterpolateFunctions(double pcoords[3], double weights[4]) override
95  {
96  vtkPixel::InterpolationFunctions(pcoords,weights);
97  }
98  void InterpolateDerivs(double pcoords[3], double derivs[8]) override
99  {
100  vtkPixel::InterpolationDerivs(pcoords,derivs);
101  }
103 
104 protected:
105  vtkPixel();
106  ~vtkPixel() override;
107 
109 
110 private:
111  vtkPixel(const vtkPixel&) = delete;
112  void operator=(const vtkPixel&) = delete;
113 };
114 
115 //----------------------------------------------------------------------------
116 inline int vtkPixel::GetParametricCenter(double pcoords[3])
117 {
118  pcoords[0] = pcoords[1] = 0.5;
119  pcoords[2] = 0.0;
120  return 0;
121 }
122 
123 #endif
124 
125 
void InterpolateFunctions(double pcoords[3], double weights[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkPixel.h:94
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:50
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:47
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:31
vtkLine * Line
Definition: vtkPixel.h:108
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
a cell that represents an orthogonal quadrilateral
Definition: vtkPixel.h:34
Abstract class in support of both point location and point insertion.
static void InterpolationFunctions(double pcoords[3], double weights[4])
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
void InterpolateDerivs(double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkPixel.h:98
virtual void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights)=0
Determine global coordinate (x[3]) from subId and parametric coordinates.
virtual int EvaluatePosition(double x[3], double *closestPoint, 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...
int vtkIdType
Definition: vtkType.h:345
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:45
static void InterpolationDerivs(double pcoords[3], double derivs[8])
cell represents a 1D line
Definition: vtkLine.h:29
abstract class to specify cell behavior
Definition: vtkCell.h:56
a simple class to control print indentation
Definition: vtkIndent.h:33
list of point or cell ids
Definition: vtkIdList.h:30
virtual void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs)=0
Compute derivatives given cell subId and parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:48
virtual int IntersectWithLine(double p1[3], double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
Intersect with a ray.
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:116
object to represent cell connectivity
Definition: vtkCellArray.h:44
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
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 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts)=0
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
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.
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:46
represent and manipulate 3D points
Definition: vtkPoints.h:33
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPixel.h:48