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vtkEmptyCell.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkEmptyCell.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 =========================================================================*/
23 #ifndef vtkEmptyCell_h
24 #define vtkEmptyCell_h
25 
26 #include "vtkCommonDataModelModule.h" // For export macro
27 #include "vtkCell.h"
28 
29 class VTKCOMMONDATAMODEL_EXPORT vtkEmptyCell : public vtkCell
30 {
31 public:
32  static vtkEmptyCell *New();
33  vtkTypeMacro(vtkEmptyCell,vtkCell);
34  void PrintSelf(ostream& os, vtkIndent indent) override;
35 
37 
40  int GetCellType() override {return VTK_EMPTY_CELL;};
41  int GetCellDimension() override {return 0;};
42  int GetNumberOfEdges() override {return 0;};
43  int GetNumberOfFaces() override {return 0;};
44  vtkCell *GetEdge(int) override {return nullptr;};
45  vtkCell *GetFace(int) override {return nullptr;};
46  int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) override;
47  void Contour(double value, vtkDataArray *cellScalars,
48  vtkIncrementalPointLocator *locator, vtkCellArray *verts1,
49  vtkCellArray *lines, vtkCellArray *verts2,
50  vtkPointData *inPd, vtkPointData *outPd,
51  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override;
52  void Clip(double value, vtkDataArray *cellScalars,
54  vtkPointData *inPd, vtkPointData *outPd,
55  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
56  int insideOut) override;
58 
59  int EvaluatePosition(double x[3], double* closestPoint,
60  int& subId, double pcoords[3],
61  double& dist2, double *weights) override;
62  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
63  double *weights) override;
64  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
65  double x[3], double pcoords[3], int& subId) override;
66  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override;
67  void Derivatives(int subId, double pcoords[3], double *values,
68  int dim, double *derivs) override;
69 
70 protected:
72  ~vtkEmptyCell() override {}
73 
74 private:
75  vtkEmptyCell(const vtkEmptyCell&) = delete;
76  void operator=(const vtkEmptyCell&) = delete;
77 };
78 
79 #endif
80 
81 
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
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
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.
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...
an empty cell used as a place-holder during processing
Definition: vtkEmptyCell.h:29
vtkCell * GetEdge(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:44
int vtkIdType
Definition: vtkType.h:345
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:40
abstract class to specify cell behavior
Definition: vtkCell.h:56
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:43
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 GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:41
object to represent cell connectivity
Definition: vtkCellArray.h:44
~vtkEmptyCell() override
Definition: vtkEmptyCell.h:72
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...
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:42
represent and manipulate 3D points
Definition: vtkPoints.h:33
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:45