svkObliqueReslice.h

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/*
 *  Copyright © 2009-2014 The Regents of the University of California.
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 *      "The Regents of the University of California," or the names of any of its 
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 *      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_OBLIQUE_RESLICE_H
#define SVK_OBLIQUE_RESLICE_H


#include <vtkObject.h>
#include <vtkObjectFactory.h>
#include <vtkImageReslice.h>
#include <vtkMatrix4x4.h>
#include <vtkTransform.h>

#include <svkImageAlgorithm.h>
#include <svkImageAlgorithmWithPortMapper.h>
#include <svkImageData.h>
#include <svkMriImageData.h>


namespace svk {


using namespace std;


class svkObliqueReslice : public svkImageAlgorithmWithPortMapper
{

    public:

        enum {
            INPUT_IMAGE = 0,
            TARGET_IMAGE,
            MATCH_SPACING_AND_FOV,
            INTERPOLATION_MODE
        } svkObliqueResliceInput;

        enum {
            RESLICED_IMAGE = 0
        } svkObliqueResliceOutput;

        static svkObliqueReslice* New();
        vtkTypeMacro( svkObliqueReslice, svkImageAlgorithm );


        //  Set the target orientation from a target image or the dcos explicitily:
        void                    SetTarget(svkImageData* image);
        void                    SetTargetDcos(double dcos[3][3]);   //fillinputportinfo
        void                    SetMagnificationFactors( float x, float y, float z); 
        void                    SetMatchSpacingAndFovOn( );
        void                    SetInterpolationMode(int interpolationMode);
        svkInt*                 GetInterpolationMode();

    protected:

        svkObliqueReslice();
        ~svkObliqueReslice();

        // virtual int         FillInputPortInformation( int vtkNotUsed(port), vtkInformation* info );
        virtual int         RequestData(
                                vtkInformation* request,
                                vtkInformationVector** inputVector,
                                vtkInformationVector* outputVector
                            );
        virtual int         RequestInformation( 
                                vtkInformation* request, 
                                vtkInformationVector** inputVector, 
                                vtkInformationVector* outputVector 
                            ); 



    private:

        //  Methods:
        virtual void        UpdateProvenance();
        virtual void        UpdateHeader();
        bool                GetMatchSpacingAndFovOn( );
        void                SetReslicedHeaderSpacing();
        void                SetReslicedHeaderPerFrameFunctionalGroups();
        void                SetReslicedHeaderOrientation();
        void                SetRotationMatrix( );
        void                Print3x3(double matrix[3][3], string name);
        bool                IsDcosInitialized(); 
        bool                Magnify();
        void                ComputeTopLeftCorner(double newTlc[3]);



        //  Members:
        vtkImageReslice*    reslicer;
        svkImageData*       reslicedImage; 
        double              targetDcos[3][3]; 
        double              newSpacing[3]; 
        int                 newNumVoxels[3]; 
        float               magnification[3]; 

};


}   //svk


#endif //SVK_OBLIQUE_RESLICE_H