vtkContourHelper.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkContourHelper.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.

=========================================================================*/
#ifndef vtkContourHelper_h
#define vtkContourHelper_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkSmartPointer.h" //for a member variable
#include "vtkPolygonBuilder.h" //for a member variable

class vtkIncrementalPointLocator;
class vtkCellArray;
class vtkPointData;
class vtkCellData;
class vtkCell;
class vtkDataArray;
class vtkIdList;

class VTKFILTERSCORE_EXPORT vtkContourHelper
{
public:
  vtkContourHelper(vtkIncrementalPointLocator *locator,
                 vtkCellArray *verts,
                 vtkCellArray *lines,
                 vtkCellArray* polys,
                 vtkPointData *inPd,
                 vtkCellData *inCd,
                 vtkPointData* outPd,
                 vtkCellData *outCd,
                 int estimatedSize,
                 bool outputTriangles);
  ~vtkContourHelper();
  void Contour(vtkCell* cell, double value, vtkDataArray *cellScalars, vtkIdType cellId);

 private:
  vtkIncrementalPointLocator* Locator;
  vtkCellArray* Verts;
  vtkCellArray* Lines;
  vtkCellArray* Polys;
  vtkPointData* InPd;
  vtkCellData* InCd;
  vtkPointData* OutPd;
  vtkCellData* OutCd;
  vtkSmartPointer<vtkCellData> TriOutCd;

  vtkCellArray* Tris;
  vtkPolygonBuilder PolyBuilder;
  vtkIdList* Poly;
  bool GenerateTriangles;
};

#endif
// VTK-HeaderTest-Exclude: vtkContourHelper.h