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00030 #ifndef __vtkGeoTransform_h
00031 #define __vtkGeoTransform_h
00032 
00033 #include "vtkAbstractTransform.h"
00034 
00035 class vtkGeoProjection;
00036 
00037 class VTK_GEOVIS_EXPORT vtkGeoTransform : public vtkAbstractTransform
00038 {
00039 public:
00040   static vtkGeoTransform* New();
00041   virtual void PrintSelf( ostream& os, vtkIndent indent );
00042   vtkTypeMacro(vtkGeoTransform,vtkAbstractTransform);
00043 
00045 
00046   void SetSourceProjection(vtkGeoProjection* source);
00047   vtkGetObjectMacro(SourceProjection,vtkGeoProjection);
00049 
00051 
00052   void SetDestinationProjection(vtkGeoProjection* dest);
00053   vtkGetObjectMacro(DestinationProjection,vtkGeoProjection);
00055 
00057   virtual void TransformPoints( vtkPoints* src, vtkPoints* dst );
00058 
00060   virtual void Inverse();
00061 
00063 
00065   virtual void InternalTransformPoint( const float in[3], float out[3] );
00066   virtual void InternalTransformPoint( const double in[3], double out[3] );
00068 
00070 
00074   virtual void InternalTransformDerivative( const float in[3], float out[3], float derivative[3][3] );
00075   virtual void InternalTransformDerivative( const double in[3], double out[3], double derivative[3][3] );
00077 
00079   virtual vtkAbstractTransform* MakeTransform();
00080 
00081 protected:
00082   vtkGeoTransform();
00083   virtual ~vtkGeoTransform();
00084 
00085   void InternalTransformPoints( double* ptsInOut, vtkIdType numPts, int stride );
00086 
00087   vtkGeoProjection* SourceProjection;
00088   vtkGeoProjection* DestinationProjection;
00089 
00090 private:
00091   vtkGeoTransform( const vtkGeoTransform& ); 
00092   void operator = ( const vtkGeoTransform& ); 
00093 };
00094 
00095 #endif // __vtkGeoTransform_h