vtkContourTriangulator.h

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

  Program:   Visualization Toolkit
  Module:    vtkContourTriangulator.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 vtkContourTriangulator_h
#define vtkContourTriangulator_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkCellArray;
class vtkIdList;

class VTKFILTERSGENERAL_EXPORT vtkContourTriangulator : public vtkPolyDataAlgorithm
{
public:
  static vtkContourTriangulator *New();
  vtkTypeMacro(vtkContourTriangulator,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkGetMacro(TriangulationError, int);


  vtkSetMacro(TriangulationErrorDisplay, int);
  vtkBooleanMacro(TriangulationErrorDisplay, int);
  vtkGetMacro(TriangulationErrorDisplay, int);


  static int TriangulatePolygon(
    vtkIdList *polygon, vtkPoints *points, vtkCellArray *triangles);


  static int TriangulateContours(
    vtkPolyData *data, vtkIdType firstLine, vtkIdType numLines,
    vtkCellArray *outputPolys, const double normal[3]);

protected:
  vtkContourTriangulator();
  ~vtkContourTriangulator();

  virtual int RequestData(
    vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);

  int TriangulationError;
  int TriangulationErrorDisplay;

private:
  vtkContourTriangulator(const vtkContourTriangulator&);  // Not implemented.
  void operator=(const vtkContourTriangulator&);  // Not implemented.
};

#endif