VTK  9.0.20201027
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 "vtkCell.h"
27 #include "vtkCommonDataModelModule.h" // For export macro
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, const double pcoords[3], vtkIdList* pts) override;
47  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
48  vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
49  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
50  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
51  vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
52  vtkCellData* outCd, int insideOut) override;
54 
55  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
56  double& dist2, double weights[]) override;
57  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
58  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
59  double pcoords[3], int& subId) override;
60  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
61  void Derivatives(
62  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
63 
64 protected:
65  vtkEmptyCell() = default;
66  ~vtkEmptyCell() override = default;
67 
68 private:
69  vtkEmptyCell(const vtkEmptyCell&) = delete;
70  void operator=(const vtkEmptyCell&) = delete;
71 };
72 
73 #endif
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:33
vtkCell::IntersectWithLine
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.
vtkCell::Contour
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.
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:32
vtkX3D::value
Definition: vtkX3D.h:226
vtkIdType
int vtkIdType
Definition: vtkType.h:330
vtkEmptyCell::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkEmptyCell.h:41
vtkEmptyCell::GetEdge
vtkCell * GetEdge(int) override
Return the edge cell from the edgeId of the cell.
Definition: vtkEmptyCell.h:44
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkEmptyCell
an empty cell used as a place-holder during processing
Definition: vtkEmptyCell.h:29
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:49
vtkCell::EvaluateLocation
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.
vtkCell.h
vtkEmptyCell::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkEmptyCell.h:45
VTK_EMPTY_CELL
Definition: vtkCellType.h:46
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:57
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkCell::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:180
vtkIncrementalPointLocator
Abstract class in support of both point location and point insertion.
Definition: vtkIncrementalPointLocator.h:51
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:30
vtkCell::CellBoundary
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...
vtkEmptyCell::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkEmptyCell.h:42
vtkCell::EvaluatePosition
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...
vtkCell::Clip
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.
vtkCell::Derivatives
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.
vtkEmptyCell::GetCellType
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:40
vtkX3D::index
Definition: vtkX3D.h:252
vtkEmptyCell::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkEmptyCell.h:43