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

  Program:   Visualization Toolkit
  Module:    vtkContourGrid.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 vtkContourGrid_h
#define vtkContourGrid_h

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

#include "vtkContourValues.h" // Needed for inline methods

class vtkEdgeTable;
class vtkScalarTree;
class vtkIncrementalPointLocator;

class VTKFILTERSCORE_EXPORT vtkContourGrid : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkContourGrid,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkContourGrid *New();


  void SetValue(int i, double value);
  double GetValue(int i);
  double *GetValues();
  void GetValues(double *contourValues);
  void SetNumberOfContours(int number);
  int GetNumberOfContours();
  void GenerateValues(int numContours, double range[2]);
  void GenerateValues(int numContours, double rangeStart, double rangeEnd);

  unsigned long GetMTime();


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


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


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


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


  void SetLocator(vtkIncrementalPointLocator *locator);
  vtkGetObjectMacro(Locator,vtkIncrementalPointLocator);



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


  void CreateDefaultLocator();


  void SetOutputPointsPrecision(int precision);
  int GetOutputPointsPrecision() const;

protected:
  vtkContourGrid();
  ~vtkContourGrid();

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);

  vtkContourValues *ContourValues;
  int ComputeNormals;
  int ComputeGradients;
  int ComputeScalars;
  int GenerateTriangles;

  vtkIncrementalPointLocator *Locator;
  int UseScalarTree;
  int OutputPointsPrecision;
  vtkScalarTree *ScalarTree;
  vtkEdgeTable *EdgeTable;

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


inline void vtkContourGrid::SetValue(int i, double value)
{this->ContourValues->SetValue(i,value);}


inline double vtkContourGrid::GetValue(int i)
{return this->ContourValues->GetValue(i);}


inline double *vtkContourGrid::GetValues()
{return this->ContourValues->GetValues();}


inline void vtkContourGrid::GetValues(double *contourValues)
{this->ContourValues->GetValues(contourValues);}


inline void vtkContourGrid::SetNumberOfContours(int number)
{this->ContourValues->SetNumberOfContours(number);}


inline int vtkContourGrid::GetNumberOfContours()
{return this->ContourValues->GetNumberOfContours();}


inline void vtkContourGrid::GenerateValues(int numContours, double range[2])
{this->ContourValues->GenerateValues(numContours, range);}


inline void vtkContourGrid::GenerateValues(int numContours, double
                                             rangeStart, double rangeEnd)
{this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);}


#endif