svkMrsImageFourierCenter.h

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/*
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/*
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#ifndef SVK_MRS_IMAGE_FOURIER_CENTER_H
#define SVK_MRS_IMAGE_FOURIER_CENTER_H

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

#include <svkImageInPlaceFilter.h>


namespace svk {


using namespace std;



class svkMrsImageFourierCenter : public svkImageInPlaceFilter
{

    public:

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

        typedef enum {
            SPECTRAL = 0,
            SPATIAL
        } ShiftDomain;


        typedef enum {
            FORWARD = 0,
            REVERSE
        } ShiftDirection;


        void    SetShiftDomain( ShiftDomain domain ); 
        void    SetShiftDirection( ShiftDirection direction ); 


    protected:

        svkMrsImageFourierCenter();
        ~svkMrsImageFourierCenter();

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


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


    private: 

        ShiftDomain     shiftDomain; 
        ShiftDirection  shiftDirection;

        void            ApplySpatialShift(); 
        void            ApplySpectralShift(); 



};


}   //svk


#endif //SVK_MRS_IMAGE_FOURIER_CENTER_H