cxNavigationAlgorithms.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/
#ifndef CXNAVIGATIONALGORITHMS_H
#define CXNAVIGATIONALGORITHMS_H

#include "org_custusx_core_view_Export.h"

#include "cxTransform3D.h"
#include "cxForwardDeclarations.h"
#include "cxEnumConverter.h"

namespace cx
{

class org_custusx_core_view_EXPORT NavigationAlgorithms
{
public:

        static Vector3D findCameraPosOnLineFixedDistanceFromFocus(Vector3D p_line, Vector3D e_line, double distance, Vector3D focus);
        static Vector3D elevateCamera(double angle, Vector3D camera, Vector3D focus, Vector3D vup);
        static Vector3D orthogonalize_vup(Vector3D vup, Vector3D vpn, Vector3D vup_fallback);
        static Vector3D findCameraPosByZoomingToROI(double viewAngle_vertical, double viewAngle_horizontal,
                                                                                                Vector3D focus, Vector3D vup, Vector3D vpn,
                                                                                                const DoubleBoundingBox3D& bb);

        // primitives, used by other algorithms
        static double findMaxCameraDistance(Vector3D n, double viewAngle,
                                                                                Vector3D focus, Vector3D vpn,
                                                                                const DoubleBoundingBox3D &bb);
        static double findCameraDistanceKeepPointInViewOneAxis(Vector3D n, double viewAngle,
                                                                                                                   Vector3D focus, Vector3D vpn, Vector3D p);
        static double findCameraDistanceKeepPointInView(double viewAngle, Vector3D focus, Vector3D vpn, Vector3D p);
};


} //namespace cx

#endif // CXNAVIGATIONALGORITHMS_H