#ifndef _vtk_ImageToIsosurface_h_
#define _vtk_ImageToIsosurface_h_

#include <vtkObject.h>
#include <vtkDataObject.h>
#include <vtkPolyData.h>
#include <vtkImageData.h>
#include <vtkImageThreshold.h>
#include <vtkContourFilter.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkImageCast.h>
#include <vtkDecimatePro.h>
#include <vtkSmoothPolyDataFilter.h>


class VTK_EXPORT vtkImageToIsosurface: public vtkObject
{
 public:

  static vtkImageToIsosurface *New();
  vtkTypeRevisionMacro(vtkImageToIsosurface, vtkObject);

  vtkSetObjectMacro (Input, vtkImageData);
  vtkGetObjectMacro (Input, vtkImageData);
  
  vtkActor* GetActor (void) const
  { return this->Actor; }

  vtkPolyData* GetPolyData (void) const
  { return this->Mapper->GetInput(); }

  void SetParameters (int val, double color[4]);

  void Update(void);

  void SetDecimationOff (void)
  {
    this->Mapper->SetInput (this->Smoother->GetOutput());
  }

  void SetDecimationOn (void)
  {
    this->Mapper->SetInput (this->Decimate->GetOutput());
  }
  

 protected:
  
  vtkImageToIsosurface();
  ~vtkImageToIsosurface();

 private:

  vtkImageCast*            Caster;
  vtkImageThreshold*       Thresholder;
  vtkContourFilter*        ContourFilter;
  vtkDecimatePro*          Decimate;
  vtkSmoothPolyDataFilter* Smoother;

  vtkImageData*      Input;
  vtkPolyDataMapper* Mapper;
  vtkActor*          Actor;
  
};


#endif