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/*=========================================================================
Program: Visualization Toolkit
Module: vtkEmptyCell.h
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.
=========================================================================*/
/**
* @class vtkEmptyCell
* @brief an empty cell used as a place-holder during processing
*
* 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"
#include "vtkCommonDataModelModule.h" // For export macro
class VTKCOMMONDATAMODEL_EXPORT vtkEmptyCell : public vtkCell
{
public:
static vtkEmptyCell* New();
vtkTypeMacro(vtkEmptyCell, vtkCell);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* See the vtkCell API for descriptions of these methods.
*/
int GetCellType() override { return VTK_EMPTY_CELL; }
int GetCellDimension() override { return 0; }
int GetNumberOfEdges() override { return 0; }
int GetNumberOfFaces() override { return 0; }
vtkCell* GetEdge(int) override { return nullptr; }
vtkCell* GetFace(int) override { return nullptr; }
int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
vtkCellData* outCd, int insideOut) override;
//@}
int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
double& dist2, double weights[]) override;
void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
double pcoords[3], int& subId) override;
int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
void Derivatives(
int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
protected:
vtkEmptyCell() {}
~vtkEmptyCell() override {}
private:
vtkEmptyCell(const vtkEmptyCell&) = delete;
void operator=(const vtkEmptyCell&) = delete;
};
#endif
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