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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 =========================================================================*/
26 #ifndef vtkEmptyCell_h
27 #define vtkEmptyCell_h
28 
29 #include "vtkCommonDataModelModule.h" // For export macro
30 #include "vtkCell.h"
31 
32 class VTKCOMMONDATAMODEL_EXPORT vtkEmptyCell : public vtkCell
33 {
34 public:
35  static vtkEmptyCell *New();
36  vtkTypeMacro(vtkEmptyCell,vtkCell);
37  void PrintSelf(ostream& os, vtkIndent indent) override;
38 
40 
43  int GetCellType() override {return VTK_EMPTY_CELL;};
44  int GetCellDimension() override {return 0;};
45  int GetNumberOfEdges() override {return 0;};
46  int GetNumberOfFaces() override {return 0;};
47  vtkCell *GetEdge(int) override {return nullptr;};
48  vtkCell *GetFace(int) override {return nullptr;};
49  int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override;
50  void Contour(double value, vtkDataArray *cellScalars,
51  vtkIncrementalPointLocator *locator, vtkCellArray *verts1,
52  vtkCellArray *lines, vtkCellArray *verts2,
53  vtkPointData *inPd, vtkPointData *outPd,
54  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override;
55  void Clip(double value, vtkDataArray *cellScalars,
57  vtkPointData *inPd, vtkPointData *outPd,
58  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
59  int insideOut) override;
61 
62  int EvaluatePosition(const double x[3], double closestPoint[3],
63  int& subId, double pcoords[3],
64  double& dist2, double weights[]) override;
65  void EvaluateLocation(int& subId, const double pcoords[3], double x[3],
66  double *weights) override;
67  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t,
68  double x[3], double pcoords[3], int& subId) override;
69  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override;
70  void Derivatives(int subId, const double pcoords[3], const double *values,
71  int dim, double *derivs) override;
72 
73 protected:
75  ~vtkEmptyCell() override {}
76 
77 private:
78  vtkEmptyCell(const vtkEmptyCell&) = delete;
79  void operator=(const vtkEmptyCell&) = delete;
80 };
81 
82 #endif
83 
84 
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:37
represent and manipulate cell attribute data
Definition: vtkCellData.h:38
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.
an empty cell used as a place-holder during processing
Definition: vtkEmptyCell.h:32
vtkCell * GetEdge(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:47
int vtkIdType
Definition: vtkType.h:347
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...
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:43
abstract class to specify cell behavior
Definition: vtkCell.h:59
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.
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:46
a simple class to control print indentation
Definition: vtkIndent.h:39
list of point or cell ids
Definition: vtkIdList.h:36
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
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:44
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:50
~vtkEmptyCell() override
Definition: vtkEmptyCell.h:75
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 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 GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:45
represent and manipulate 3D points
Definition: vtkPoints.h:39
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:48