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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkEmptyCell.h,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkEmptyCell - an empty cell used as a place-holder during processing
// .SECTION Description
// vtkEmptyCell is a concrete implementation of vtkCell. It is used
// during processing to represented a deleted element.
#ifndef __vtkEmptyCell_h
#define __vtkEmptyCell_h
#include "vtkCell.h"
class VTK_FILTERING_EXPORT vtkEmptyCell : public vtkCell
{
public:
static vtkEmptyCell *New();
vtkTypeRevisionMacro(vtkEmptyCell,vtkCell);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// See the vtkCell API for descriptions of these methods.
int GetCellType() {return VTK_EMPTY_CELL;};
int GetCellDimension() {return 0;};
int GetNumberOfEdges() {return 0;};
int GetNumberOfFaces() {return 0;};
vtkCell *GetEdge(int) {return 0;};
vtkCell *GetFace(int) {return 0;};
int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
void Contour(double value, vtkDataArray *cellScalars,
vtkPointLocator *locator, vtkCellArray *verts1,
vtkCellArray *lines, vtkCellArray *verts2,
vtkPointData *inPd, vtkPointData *outPd,
vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
void Clip(double value, vtkDataArray *cellScalars,
vtkPointLocator *locator, vtkCellArray *pts,
vtkPointData *inPd, vtkPointData *outPd,
vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
int insideOut);
int EvaluatePosition(double x[3], double* closestPoint,
int& subId, double pcoords[3],
double& dist2, double *weights);
void EvaluateLocation(int& subId, double pcoords[3], double x[3],
double *weights);
int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
double x[3], double pcoords[3], int& subId);
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
void Derivatives(int subId, double pcoords[3], double *values,
int dim, double *derivs);
protected:
vtkEmptyCell() {};
~vtkEmptyCell() {};
private:
vtkEmptyCell(const vtkEmptyCell&); // Not implemented.
void operator=(const vtkEmptyCell&); // Not implemented.
};
#endif
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