cxReconstructionExecuter.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.

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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 "cxReconstructionExecuter.h"
#include "cxTimedAlgorithm.h"
#include "cxReconstructThreads.h"

#include "cxLogger.h"

namespace cx
{

cx::TimedAlgorithmPtr ReconstructionExecuter::getThread()
{
        return mPipeline;
}

void ReconstructionExecuter::startNonThreadedReconstruction(ReconstructionMethodService* algo, ReconstructCore::InputParams par, USReconstructInputData fileData, bool createBModeWhenAngio)
{
        cx::ReconstructPreprocessorPtr preprocessor = this->createPreprocessor(par, fileData);
        mCores = this->createCores(algo, par, createBModeWhenAngio);

        std::vector<bool> angio;
        for (unsigned i=0; i<mCores.size(); ++i)
                angio.push_back(mCores[i]->getInputParams().mAngio);

        std::vector<cx::ProcessedUSInputDataPtr> processedInput = preprocessor->createProcessedInput(angio);

        for (unsigned i=0; i<mCores.size(); ++i)
        {
                mCores[i]->initialize(processedInput[i], preprocessor->getOutputVolumeParams());
        }
        for (unsigned i=0; i<mCores.size(); ++i)
        {
                mCores[i]->reconstruct();
        }
}

void ReconstructionExecuter::startReconstruction(ReconstructionMethodService* algo, ReconstructCore::InputParams par, USReconstructInputData fileData, bool createBModeWhenAngio)
{
        if (mPipeline)
        {
                reportError("Reconstruct Executer can only be run once. Ignoring start.");
                return;
        }

        if (!fileData.isValid())
                return;

        mCores = this->createCores(algo, par, createBModeWhenAngio);
        if (mCores.empty())
                reportWarning("Failed to start reconstruction");

        cx::CompositeTimedAlgorithmPtr algorithm = this->assembleReconstructionPipeline(mCores, par, fileData);
        this->launch(algorithm);
}

std::vector<cx::ImagePtr> ReconstructionExecuter::getResult()
{
        std::vector<cx::ImagePtr> retval;
        if (mPipeline && !mPipeline->isFinished())
                return retval;

        for (unsigned i=0; i<mCores.size(); ++i)
                retval.push_back(mCores[i]->getOutput());

        return retval;
}

void ReconstructionExecuter::launch(cx::TimedAlgorithmPtr thread)
{
        mPipeline = thread;
        emit reconstructAboutToStart();
        connect(thread.get(), SIGNAL(finished()), this, SIGNAL(reconstructFinished()));
        thread->execute();
        emit reconstructStarted();
}

cx::CompositeTimedAlgorithmPtr ReconstructionExecuter::assembleReconstructionPipeline(std::vector<ReconstructCorePtr> cores, ReconstructCore::InputParams par, USReconstructInputData fileData)
{
        cx::CompositeSerialTimedAlgorithmPtr pipeline(new cx::CompositeSerialTimedAlgorithm("US Reconstruction"));

        ReconstructPreprocessorPtr preprocessor = this->createPreprocessor(par, fileData);
        pipeline->append(ThreadedTimedReconstructPreprocessor::create(mPatientModelService, preprocessor, cores));

        cx::CompositeTimedAlgorithmPtr temp = pipeline;
        if(this->canCoresRunInParallel(cores) && cores.size()>1)
        {
                cx::CompositeParallelTimedAlgorithmPtr parallel(new cx::CompositeParallelTimedAlgorithm());
                pipeline->append(parallel);
                temp = parallel;
                reportDebug("Running reconstruction cores in parallel.");
        }

        for (unsigned i=0; i<cores.size(); ++i)
                temp->append(ThreadedTimedReconstructCore::create(mPatientModelService, mVisualizationService, cores[i]));

        return pipeline;
}

bool ReconstructionExecuter::canCoresRunInParallel(std::vector<ReconstructCorePtr> cores)
{
        bool parallelizable = true;

        std::vector<ReconstructCorePtr>::iterator it;
        for(it = cores.begin(); it != cores.end(); ++it)
                parallelizable = parallelizable && (it->get()->getInputParams().mAlgorithmUid == "PNN");

        return parallelizable;
}

ReconstructPreprocessorPtr ReconstructionExecuter::createPreprocessor(ReconstructCore::InputParams par, USReconstructInputData fileData)
{
        ReconstructPreprocessorPtr retval(new ReconstructPreprocessor(mPatientModelService));
        retval->initialize(par, fileData);

        return retval;
}

std::vector<ReconstructCorePtr> ReconstructionExecuter::createCores(ReconstructionMethodService* algo, ReconstructCore::InputParams par, bool createBModeWhenAngio)
{
        std::vector<ReconstructCorePtr> retval;

        if (createBModeWhenAngio && par.mAngio)
        {
                ReconstructCorePtr core = this->createBModeCore(par, algo);
                if (core)
                        retval.push_back(core);
                core = this->createCore(par, algo);
                if (core)
                        retval.push_back(core);
        }
        // only one thread
        else
        {
                ReconstructCorePtr core = this->createCore(par, algo);
                if (core)
                        retval.push_back(core);
        }

        return retval;
}

ReconstructCorePtr ReconstructionExecuter::createCore(ReconstructCore::InputParams par, ReconstructionMethodService* algo)
{
        ReconstructCorePtr retval(new ReconstructCore(mPatientModelService));
        retval->initialize(par, algo);
        return retval;
}

ReconstructCorePtr ReconstructionExecuter::createBModeCore(ReconstructCore::InputParams par, ReconstructionMethodService* algo)
{
        ReconstructCorePtr retval(new ReconstructCore(mPatientModelService));
        par.mAngio = false;
        par.mTransferFunctionPreset = "US B-Mode";
        retval->initialize(par, algo);
        return retval;
}



} /* namespace cx */