VTK  9.3.1
vtkEmptyCell.h
Go to the documentation of this file.
1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
14 #ifndef vtkEmptyCell_h
15 #define vtkEmptyCell_h
16 
17 #include "vtkCell.h"
18 #include "vtkCommonDataModelModule.h" // For export macro
19 
20 VTK_ABI_NAMESPACE_BEGIN
21 class VTKCOMMONDATAMODEL_EXPORT vtkEmptyCell : public vtkCell
22 {
23 public:
24  static vtkEmptyCell* New();
25  vtkTypeMacro(vtkEmptyCell, vtkCell);
26  void PrintSelf(ostream& os, vtkIndent indent) override;
27 
29 
32  int GetCellType() override { return VTK_EMPTY_CELL; }
33  int GetCellDimension() override { return 0; }
34  int GetNumberOfEdges() override { return 0; }
35  int GetNumberOfFaces() override { return 0; }
36  vtkCell* GetEdge(int) override { return nullptr; }
37  vtkCell* GetFace(int) override { return nullptr; }
38  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
39  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
40  vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
41  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
42  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
43  vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
44  vtkCellData* outCd, int insideOut) override;
46 
47  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
48  double& dist2, double weights[]) override;
49  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
50  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
51  double pcoords[3], int& subId) override;
52  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
53  void Derivatives(
54  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
55 
56 protected:
57  vtkEmptyCell() = default;
58  ~vtkEmptyCell() override = default;
59 
60 private:
61  vtkEmptyCell(const vtkEmptyCell&) = delete;
62  void operator=(const vtkEmptyCell&) = delete;
63 };
64 
65 VTK_ABI_NAMESPACE_END
66 #endif
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:29
represent and manipulate cell attribute data
Definition: vtkCellData.h:30
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:21
vtkCell * GetEdge(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:36
int vtkIdType
Definition: vtkType.h:315
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:32
abstract class to specify cell behavior
Definition: vtkCell.h:49
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:35
a simple class to control print indentation
Definition: vtkIndent.h:28
list of point or cell ids
Definition: vtkIdList.h:22
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:44
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:33
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:175
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:34
represent and manipulate 3D points
Definition: vtkPoints.h:28
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkEmptyCell.h:37