dox/Graphics/vtkCutter.h

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

  Program:   Visualization Toolkit
  Module:    vtkCutter.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 __vtkCutter_h
#define __vtkCutter_h

#include "vtkPolyDataAlgorithm.h"

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

#define VTK_SORT_BY_VALUE 0
#define VTK_SORT_BY_CELL 1

class vtkImplicitFunction;
class vtkIncrementalPointLocator;
class vtkSynchronizedTemplates3D;
class vtkSynchronizedTemplatesCutter3D;
class vtkGridSynchronizedTemplates3D;
class vtkRectilinearSynchronizedTemplates;

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

  static vtkCutter *New();


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

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


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


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

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


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


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


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

  unsigned long GetMTime();


  virtual void SetCutFunction(vtkImplicitFunction*);
  vtkGetObjectMacro(CutFunction,vtkImplicitFunction);


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


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


  vtkSetClampMacro(SortBy,int,VTK_SORT_BY_VALUE,VTK_SORT_BY_CELL);
  vtkGetMacro(SortBy,int);
  void SetSortByToSortByValue() 
    {this->SetSortBy(VTK_SORT_BY_VALUE);}
  void SetSortByToSortByCell() 
    {this->SetSortBy(VTK_SORT_BY_CELL);}
  const char *GetSortByAsString();

  void CreateDefaultLocator();

  static void GetCellTypeDimensions(unsigned char* cellTypeDimensions);

protected:
  vtkCutter(vtkImplicitFunction *cf=NULL);
  ~vtkCutter();


  virtual int ProcessRequest(vtkInformation*,
                             vtkInformationVector**,
                             vtkInformationVector*);

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);
  void UnstructuredGridCutter(vtkDataSet *input, vtkPolyData *output);
  void DataSetCutter(vtkDataSet *input, vtkPolyData *output);
  void StructuredPointsCutter(vtkDataSet *, vtkPolyData *,
                              vtkInformation *, vtkInformationVector **, 
                              vtkInformationVector *);
  void StructuredGridCutter(vtkDataSet *, vtkPolyData *);
  void RectilinearGridCutter(vtkDataSet *, vtkPolyData *);
  vtkImplicitFunction *CutFunction;

  vtkSynchronizedTemplates3D *SynchronizedTemplates3D;
  vtkSynchronizedTemplatesCutter3D *SynchronizedTemplatesCutter3D;
  vtkGridSynchronizedTemplates3D *GridSynchronizedTemplates;
  vtkRectilinearSynchronizedTemplates *RectilinearSynchronizedTemplates;

  vtkIncrementalPointLocator *Locator;
  int SortBy;
  vtkContourValues *ContourValues;
  int GenerateCutScalars;
private:
  vtkCutter(const vtkCutter&);  // Not implemented.
  void operator=(const vtkCutter&);  // Not implemented.
};


inline const char *vtkCutter::GetSortByAsString(void)
{
  if ( this->SortBy == VTK_SORT_BY_VALUE ) 
    {
    return "SortByValue";
    }
  else 
    {
    return "SortByCell";
    }
}

#endif