cxSliceComputer.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
All rights reserved.

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modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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=========================================================================*/

#ifndef CXSLICECOMPUTER_H_
#define CXSLICECOMPUTER_H_

#include "cxResourceExport.h"

#include "cxTransform3D.h"
#include "cxDefinitions.h"

namespace cx
{

class cxResource_EXPORT SlicePlane
{
public:
        SlicePlane() {}
        SlicePlane(const Vector3D& c, const Vector3D& i, const Vector3D& j);
        Vector3D c; 
        Vector3D i; 
        Vector3D j; 
};

cxResource_EXPORT std::ostream& operator<<(std::ostream& s, const SlicePlane& val);
cxResource_EXPORT bool similar(const SlicePlane& a, const SlicePlane& b);


class cxResource_EXPORT SliceComputer
{
public:
        SliceComputer();
        ~SliceComputer();
        void setToolPosition(const Transform3D& rMt);
        void setOrientationType(ORIENTATION_TYPE val);
        void setPlaneType(PLANE_TYPE val);
        void setFixedCenter(const Vector3D& center); 
        void setFollowType(FOLLOW_TYPE val); 
        void setGravity(bool use, const Vector3D& dir);
        void setToolOffset(double val); 
        void setToolViewOffset(bool use, double viewportHeight, double viewOffset);
        void setToolViewportHeight(double viewportHeight);
        void setClinicalApplication(CLINICAL_VIEW application);
        SlicePlane getPlane() const;

        void initializeFromPlane(PLANE_TYPE plane, bool useGravity, const Vector3D& gravityDir, bool useViewOffset, double viewportHeight, double toolViewOffset, CLINICAL_VIEW application);
        ORIENTATION_TYPE getOrientationType() const;
        PLANE_TYPE getPlaneType() const;
    FOLLOW_TYPE getFollowType() const;
    Transform3D getToolPosition() const;

private:
        std::pair<Vector3D,Vector3D> generateBasisVectors() const;
        Vector3D generateFixedIJCenter(const Vector3D& center_r, const Vector3D& cross_r, const Vector3D& i, const Vector3D& j) const;
        SlicePlane orientToGravity(const SlicePlane& base) const;
    SlicePlane orientToGravityAroundToolZAxisAndAlongTheOperatingTable(const SlicePlane& base) const;
        SlicePlane applyViewOffset(const SlicePlane& base) const;
        double getViewOffsetAbsoluteFromCenter() const;

        std::pair<Vector3D,Vector3D> generateBasisVectorsNeurology() const;
        std::pair<Vector3D,Vector3D> generateBasisVectorsRadiology() const;

private:
        CLINICAL_VIEW mClinicalApplication;
        ORIENTATION_TYPE mOrientType;
        PLANE_TYPE mPlaneType;
        FOLLOW_TYPE mFollowType;
        Vector3D mFixedCenter;

        Transform3D m_rMt;
        double mToolOffset;

        bool mUseGravity;
        Vector3D mGravityDirection; 

        bool mUseViewOffset;
        double mViewportHeight;
        double mViewOffset;
        double getWeightForAngularDifference(Vector3D a, Vector3D b) const;
};

} // namespace cx

#endif /*CXSLICECOMPUTER_H_*/