svkEPSIPhaseCorrect.h

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#ifndef SVK_EPSI_PHASE_CORRECT_H
#define SVK_EPSI_PHASE_CORRECT_H

#include <vtkObject.h>
#include <vtkObjectFactory.h>

#include <svkMrsImageFFT.h>
#include <svkImageInPlaceFilter.h>


namespace svk {


using namespace std;


class svkEPSIPhaseCorrect : public svkImageInPlaceFilter
{

    public:

        static svkEPSIPhaseCorrect* New();
        vtkTypeMacro( svkEPSIPhaseCorrect, svkImageInPlaceFilter);

        void            SetNumEPSIkRead( int numKspaceSamples );
        void            SetEPSIAxis( int epsiAxis );
        void            SetEPSIOrigin( float epsiOrigin );
        float           GetEPSIOrigin();


    protected:

        svkEPSIPhaseCorrect();
        ~svkEPSIPhaseCorrect();

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

        //  Methods:
        virtual int     RequestData(
                            vtkInformation* request, 
                            vtkInformationVector** inputVector,
                            vtkInformationVector* outputVector
                        );


    private: 

        void            CreateEPSIPhaseCorrectionFactors( vtkImageComplex** phaseArray, int numSpecPts ); 
        int             SpectralFFT( svkMrsImageFFT::FFTMode direction ); 


        int             numEPSIkRead;
        int             epsiAxis;
        float           epsiOrigin;
        double*         epsiSpatialPhaseCorrection;
        svkImageData*   tmpData; 


};


}   //svk


#endif //SVK_EPSI_PHASE_CORRECT_H