cxMultiVolume3DRepProducer.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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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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#include "cxMultiVolume3DRepProducer.h"

#include "cxVolumetricRep.h"
#include <vtkImageData.h>
#include "cxImage2DRep3D.h"
#include "cxView.h"
#include "cxTypeConversions.h"

#include "cxMehdiGPURayCastMultiVolumeRep.h"
#include "cxConfig.h"
#include "cxRepManager.h"
#include "cxLogger.h"

namespace cx
{


MultiVolume3DRepProducer::MultiVolume3DRepProducer()
{
        mMaxRenderSize = 10 * pow(10.0,6);
}

MultiVolume3DRepProducer::~MultiVolume3DRepProducer()
{
}

void MultiVolume3DRepProducer::setView(ViewPtr view)
{
        if (view==mView)
                return;
        this->clearReps();
        mView = view;
        this->fillReps();
}

//QStringList MultiVolume3DRepProducer::getAvailableVisualizers()
//{
//      QStringList retval;
//      retval << "vtkVolumeTextureMapper3D";
//      retval << "vtkGPUVolumeRayCastMapper";
//#ifdef CX_BUILD_MEHDI_VTKMULTIVOLUME
//      retval << "vtkOpenGLGPUMultiVolumeRayCastMapper";
//#endif //CX_BUILD_MEHDI_VTKMULTIVOLUME

//      return retval;
//}

//std::map<QString, QString> MultiVolume3DRepProducer::getAvailableVisualizerDisplayNames()
//{
//      std::map<QString, QString> names;
//      names["vtkVolumeTextureMapper3D"] = "Texture (single volume)";
//      names["vtkGPUVolumeRayCastMapper"] = "Raycast GPU (single volume)";
//      names["vtkOpenGLGPUMultiVolumeRayCastMapper"] = "Mehdi Raycast GPU (multi volume)";
//      return names;
//}

void MultiVolume3DRepProducer::setMaxRenderSize(int voxels)
{
        mMaxRenderSize = voxels;
        if (mMaxRenderSize<1)
                mMaxRenderSize = 10 * pow(10.0,6);

        this->updateRepsInView();
}

int MultiVolume3DRepProducer::getMaxRenderSize() const
{
        return mMaxRenderSize;
}

void MultiVolume3DRepProducer::setVisualizerType(QString type)
{
        mVisualizerType = type;

        this->updateRepsInView();
}

bool MultiVolume3DRepProducer::contains(ImagePtr image) const
{
        if (std::count(m2DImages.begin(), m2DImages.end(), image))
                return true;
        if (std::count(m3DImages.begin(), m3DImages.end(), image))
                return true;
        return false;
}

void MultiVolume3DRepProducer::addImage(ImagePtr image)
{
        if (this->contains(image))
                return;

        if (image)
        {
                connect(image.get(), SIGNAL(clipPlanesChanged()), this, SIGNAL(imagesChanged()));
                connect(image.get(), SIGNAL(cropBoxChanged()), this, SIGNAL(imagesChanged()));
        }
        else
                return;

        if(this->is2DImage(image))
                m2DImages.push_back(image);
        else
                m3DImages.push_back(image);
        emit imagesChanged();

        this->updateRepsInView();
}

void MultiVolume3DRepProducer::removeImage(QString uid)
{
        ImagePtr removedImage;
        removedImage = this->removeImageFromVector(uid, m2DImages);
        if(!removedImage)
                removedImage = this->removeImageFromVector(uid, m3DImages);

        if (removedImage)
        {
                disconnect(removedImage.get(), SIGNAL(clipPlanesChanged()), this, SIGNAL(imagesChanged()));
                disconnect(removedImage.get(), SIGNAL(cropBoxChanged()), this, SIGNAL(imagesChanged()));
        }

        emit imagesChanged();
        this->updateRepsInView();
}

ImagePtr MultiVolume3DRepProducer::removeImageFromVector(QString uid, std::vector<ImagePtr> &images)
{
        ImagePtr retval;
        for (unsigned i=0; i<images.size(); ++i)
        {
                if (images[i]->getUid()!=uid)
                        continue;
                retval = images[i];
                images.erase(images.begin()+i);
                break;
        }
        return retval;
}

std::vector<RepPtr> MultiVolume3DRepProducer::getAllReps()
{
        return mReps;
}

void MultiVolume3DRepProducer::updateRepsInView()
{
        this->clearReps();
        this->fillReps();
}

void MultiVolume3DRepProducer::clearReps()
{
        this->removeRepsFromView();
        mReps.clear();
}

void MultiVolume3DRepProducer::removeRepsFromView()
{
        if (!mView)
                return;

        for (unsigned i=0; i<mReps.size(); ++i)
                mView->removeRep(mReps[i]);
}

void MultiVolume3DRepProducer::fillReps()
{
        this->rebuildReps();
        this->addRepsToView();
}

void MultiVolume3DRepProducer::addRepsToView()
{
        if (!mView)
                return;

        for (unsigned i=0; i<mReps.size(); ++i)
                mView->addRep(mReps[i]);
}

void MultiVolume3DRepProducer::rebuildReps()
{
        if(!m2DImages.empty())
                this->rebuild2DReps();
        if(!m3DImages.empty())
                this->rebuild3DReps();
}

void MultiVolume3DRepProducer::rebuild2DReps()
{
        for (unsigned i=0; i<m2DImages.size(); ++i)
                this->buildSscImage2DRep3D(m2DImages[i]);
}

void MultiVolume3DRepProducer::rebuild3DReps()
{
        if (this->isSingleVolumeRenderer())
        {
                for (unsigned i=0; i<m3DImages.size(); ++i)
                        this->buildSingleVolumeRenderer(m3DImages[i]);
        }
        else if (mVisualizerType=="vtkOpenGLGPUMultiVolumeRayCastMapper")
        {
                this->buildVtkOpenGLGPUMultiVolumeRayCastMapper();
        }
        else
        {
                reportError(QString("No visualizer found for string=%1").arg(mVisualizerType));
        }
}

void MultiVolume3DRepProducer::buildVtkOpenGLGPUMultiVolumeRayCastMapper()
{
#ifdef CX_BUILD_MEHDI_VTKMULTIVOLUME
        MehdiGPURayCastMultiVolumeRepPtr rep = MehdiGPURayCastMultiVolumeRep::New("");
        rep->setMaxVolumeSize(this->getMaxRenderSize());
        rep->setImages(m3DImages);
        mReps.push_back(rep);
#endif //CX_BUILD_MEHDI_VTKMULTIVOLUME
}

bool MultiVolume3DRepProducer::is2DImage(ImagePtr image) const
{
        if(image)
                return image->getBaseVtkImageData()->GetDimensions()[2]==1;
        return false;
}

void MultiVolume3DRepProducer::buildSingleVolumeRenderer(ImagePtr image)
{
        if (mVisualizerType=="vtkVolumeTextureMapper3D")
        {
                this->buildVtkVolumeTextureMapper3D(image);
        }
        else if (mVisualizerType=="vtkGPUVolumeRayCastMapper")
        {
                this->buildVtkGPUVolumeRayCastMapper(image);
        }
        else
        {
                reportError(QString("No visualizer found for string=%1").arg(mVisualizerType));
                return;
        }
}

bool MultiVolume3DRepProducer::isSingleVolumeRenderer() const
{
        QStringList singleTypes;
        singleTypes << "vtkVolumeTextureMapper3D" << "vtkGPUVolumeRayCastMapper";
        return singleTypes.count(mVisualizerType);
}

void MultiVolume3DRepProducer::buildSscImage2DRep3D(ImagePtr image)
{
        cx::Image2DRep3DPtr rep = cx::Image2DRep3D::New();
        rep->setImage(image);
        mReps.push_back(rep);
}

void MultiVolume3DRepProducer::buildVtkVolumeTextureMapper3D(ImagePtr image)
{
        // attempt to reuse this time-consuming rep:
//      VolumetricRepPtr rep = RepManager::getInstance()->getCachedRep<VolumetricRep>(image->getUid());

        VolumetricRepPtr rep = VolumetricRep::New();
        rep->setUseVolumeTextureMapper();

        rep->setMaxVolumeSize(this->getMaxRenderSize());
        rep->setImage(image);
        mReps.push_back(rep);
}

void MultiVolume3DRepProducer::buildVtkGPUVolumeRayCastMapper(ImagePtr image)
{
        VolumetricRepPtr rep = VolumetricRep::New();
        rep->setUseGPUVolumeRayCastMapper();

        rep->setMaxVolumeSize(this->getMaxRenderSize());
        rep->setImage(image);
        mReps.push_back(rep);
}

} // namespace cx