cxImageEnveloper.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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#ifndef CXMULTIVOLUMEBOUNDINGBOX_H
#define CXMULTIVOLUMEBOUNDINGBOX_H

#include "cxResourceVisualizationExport.h"

#include "cxForwardDeclarations.h"
#include "cxVector3D.h"
#include "cxTransform3D.h"
#include <vector>
#include "cxImageParameters.h"

namespace cx
{

typedef boost::shared_ptr<class ImageEnveloper> ImageEnveloperPtr;

class cxResourceVisualization_EXPORT ImageEnveloper
{
public:
        static ImageEnveloperPtr create();
        ImageEnveloper();
        virtual ~ImageEnveloper() {}

        virtual void setImages(std::vector<ImagePtr> images);
        virtual ImagePtr getEnvelopingImage();
        void setMaxEnvelopeVoxels(long maxVoxels);

private:
        std::vector<ImagePtr> mImages;
        long mMaxEnvelopeVoxels;

        ImageParameters reduceToNumberOfVoxels(ImageParameters box, long maxVoxels);
        ImageParameters createEnvelopeParametersFromImage(ImagePtr img);
        ImageParameters selectParametersWithSmallestExtent(ImageParameters a, ImageParameters b);
        ImageParameters selectParametersWithFewestVoxels(ImageParameters a, ImageParameters b);
        ImagePtr createEnvelopeFromParameters(ImageParameters box);
        Eigen::Array3d getMinimumSpacingFromAllImages(Transform3D qMr);
        Eigen::Array3d getTransformedSpacing(Eigen::Array3d spacing, Transform3D qMd);
        int getMaxScalarRange();
};

} // namespace cx

#endif // CXMULTIVOLUMEBOUNDINGBOX_H