svkPhaseSpec.h

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/*
 *  Copyright © 2009-2014 The Regents of the University of California.
 *  All Rights Reserved.
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 *  Redistribution and use in source and binary forms, with or without 
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 *      "The Regents of the University of California," or the names of any of its 
 *      contributors may be used to endorse or promote products derived from this 
 *      software without specific prior written permission.
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 *  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
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/*
 *  $URL$
 *  $Rev$
 *  $Author$
 *  $Date$
 *
 *  Authors:
 *      Jason C. Crane, Ph.D.
 *      Beck Olson
 */


#ifndef SVK_PHASE_SPEC_H
#define SVK_PHASE_SPEC_H


#include <vtkObject.h>
#include <vtkObjectFactory.h>
#include <vtkInformation.h>
#include <vtkStreamingDemandDrivenPipeline.h>
#include <vtkImageFourierFilter.h>

#include <svkImageInPlaceFilter.h>
#include <svkSpecUtils.h>


namespace svk {


using namespace std;



class svkPhaseSpec : public svkImageInPlaceFilter
{

    public:

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

        void            SetPhase0( float phase0 );
        float           GetPhase0();
        void            SetLinearPhase( float phase0 );
        float           GetLinearPhase();
        void            SetLinearPhasePivot( int linearPhasePivot );
        void            SetUpdateExtent( int* start, int* end );
        void            SetChannel( int channel);
        void            PhaseAllChannels();
        static void     ZeroOrderPhase( float phi0, float* cmplxPt ); 
        static void     ZeroOrderPhase( float phi0, vtkFloatArray* spectrum ); 
        static void     FirstOrderPhase( float phi1, int pivotPoint, vtkFloatArray* spectrum ); 
        static void     FirstOrderPhase( float phi0, 
                                         vtkImageComplex* linearPhaseArray, 
                                         vtkFloatArray* spectrum); 
        static void     FirstOrderPhase( float phi0, 
                                         float phi1, 
                                         int pivotPoint, 
                                         vtkFloatArray* spectrum ); 
        virtual void    PrintSelf( ostream &os, vtkIndent indent );


    protected:

        svkPhaseSpec();
        ~svkPhaseSpec();

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


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


    private:
        
        //  Members:
        float           phase0;
        float           phase0Target;
        float           linearPhase;
        float           linearPhaseTarget;
        float*          cmplxSpec;
        int             updateExtent[6]; 
        int             channelToPhase; 
        int                     linearPhasePivot;
        int                     linearPhasePivotTarget;

        int             ApplyPhaseMap();
        int             ApplyGlobalPhase();

};


}   //svk


#endif //SVK_PHASE_SPEC_H