cxNavigation.cpp

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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:

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   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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=========================================================================*/

#include "cxNavigation.h"
#include "cxImage.h"
#include "cxBoundingBox3D.h"
#include "cxPatientModelService.h"
#include "cxTrackingService.h"
#include "cxManualTool.h"
#include "cxVolumeHelpers.h"
#include "cxCameraControl.h"
#include "cxVisServices.h"
#include "cxViewService.h"
#include "cxActiveData.h"

namespace cx
{

Navigation::Navigation(VisServicesPtr services, CameraControlPtr camera3D) :
        mServices(services),
        mCamera3D(camera3D)
{

}

void Navigation::centerToPosition(Vector3D p_r, QFlags<VIEW_TYPE> viewType)
{
        this->moveManualToolToPosition(p_r);

        if (viewType.testFlag(v2D))
        {
                // set center to calculated position
                mServices->patient()->setCenter(p_r);
        }

        if (viewType.testFlag(v3D))
        {
                if (mCamera3D)
                        mCamera3D->translateByFocusTo(p_r);
        }
}

void Navigation::centerToData(DataPtr image)
{
        if (!image)
                return;
        Vector3D p_r = image->get_rMd().coord(image->boundingBox().center());

        this->centerToPosition(p_r);
}

void Navigation::centerToData(const std::vector<DataPtr>& images)
{
        Vector3D p_r = findDataCenter(images);
        this->centerToPosition(p_r);
}

void Navigation::centerToDataInActiveViewGroup(DataViewProperties properties)
{
        ViewGroupDataPtr activeGroup = mServices->view()->getActiveViewGroup();
        this->centerToDataInViewGroup(activeGroup, properties);
}

void Navigation::centerToDataInViewGroup(ViewGroupDataPtr group, DataViewProperties properties)
{
        if(!group)
                return;

        std::vector<DataPtr> visibleData = group->getData(properties);
        if(visibleData.empty())
                return;

        ActiveDataPtr active = mServices->patient()->getActiveData();
        ImagePtr activeImage = active->getActive<Image>();
        if(activeImage && std::count(visibleData.begin(), visibleData.end(), activeImage))
                this->centerToData(activeImage);
        else
                this->centerToData(visibleData);
}

void Navigation::centerToTooltip()
{
        ToolPtr tool = mServices->tracking()->getActiveTool();
        Vector3D p_pr = tool->get_prMt().coord(Vector3D(0, 0, tool->getTooltipOffset()));
        Vector3D p_r = mServices->patient()->get_rMpr().coord(p_pr);

        this->centerToPosition(p_r);
//      // set center to calculated position
//      mBackend->getDataManager()->setCenter(p_r);
}

Vector3D Navigation::findDataCenter(const std::vector<DataPtr>& data)
{
        DoubleBoundingBox3D bb_sigma = findEnclosingBoundingBox(data, Transform3D::Identity());
        return bb_sigma.center();
}

void Navigation::moveManualToolToPosition(Vector3D& p_r)
{
        // move the manual tool to the same position. (this is a side effect... do we want it?)
        ToolPtr manual = mServices->tracking()->getManualTool();
        Vector3D p_pr = mServices->patient()->get_rMpr().inv().coord(p_r);
        Transform3D prM0t = manual->get_prMt(); // modify old pos in order to keep orientation
        Vector3D t_pr = prM0t.coord(Vector3D(0, 0, manual->getTooltipOffset()));
        Transform3D prM1t = createTransformTranslate(p_pr - t_pr) * prM0t;

        if (!similar(prM1t, prM0t))
                manual->set_prMt(prM1t);
//  std::cout << "center manual tool" << std::endl;
}


} // namespace cx