/* TerrainViewerModel.h
*/

// First include the required header files for the VTK classes we are using.
#include "vtkPolyDataMapper.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkCamera.h"
#include "vtkActor.h"
#include "vtkRenderer.h"
#include "vtkInteractorStyleTrackballCamera.h"

#include "vtkImageReader.h"
#include "vtkImageMapper.h"
#include "vtkDataSetMapper.h"
#include "vtkSimpleElevationFilter.h"
#include "vtkImageToPolyDataFilter.h"
#include "vtkJPEGReader.h"
#include "vtkPlaneSource.h"
#include "vtkTexture.h"
#include "vtkShrinkFilter.h"
#include "vtkImageDataGeometryFilter.h"
#include "vtkWarpScalar.h"
#include "vtkPolyDataNormals.h"
#include "vtkImageShrink3D.h"
#include "vtkGeometryFilter.h"
#include "vtkMergeFilter.h"
#include "vtkContourFilter.h"
#include "vtkImageData.h"
#include "vtkProperty.h"
#include "vtkLODActor.h"


class TerrainViewerModel {

private:
	TerrainViewerModel( );
	static TerrainViewerModel *theModel;
	vtkImageReader *elevReader;
	vtkJPEGReader *textureReader;
	vtkWarpScalar *warper;
	vtkContourFilter *contours[ 4 ];
	int dataMax, dataMin;
	double scalingFactor;
	float contourHeights[ 4 ];
	vtkActor *contourActors[ 4 ];

public:
	static TerrainViewerModel * getModel( );
	void setElevationFile( char * filename );
	void setTextureFile( char *filename );
	void setGrayScale( void );
	void setColorMap( void );
	void setTextureMap( void );
	void setScaling( double scaling );
	void setColor( int which, int value );
	int getDataMin( void ) { return dataMin; }
	int getDataMax( void ) { return dataMax; }

};