resamplingdemo.cpp 3.03 KB
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// ================================================================================================
// 
// This file is part of the CAMPVis Software Framework.
// 
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// If not explicitly stated otherwise: Copyright (C) 2012-2013, all rights reserved,
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//      Christian Schulte zu Berge <christian.szb@in.tum.de>
//      Chair for Computer Aided Medical Procedures
//      Technische Universität München
//      Boltzmannstr. 3, 85748 Garching b. München, Germany
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// 
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// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
// 
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 
// except in compliance with the License. You may obtain a copy of the License at
// 
// http://www.apache.org/licenses/LICENSE-2.0
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// 
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// Unless required by applicable law or agreed to in writing, software distributed under the 
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
// either express or implied. See the License for the specific language governing permissions 
// and limitations under the License.
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// 
// ================================================================================================

#include "resamplingdemo.h"

#include "tgt/event/keyevent.h"
#include "core/datastructures/imagedata.h"
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#include "core/datastructures/renderdata.h"
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#include "core/classification/geometry1dtransferfunction.h"
#include "core/classification/tfgeometry1d.h"
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#include "core/tools/glreduction.h"

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namespace campvis {

    ResamplingDemo::ResamplingDemo(DataContainer* dc)
        : AutoEvaluationPipeline(dc)
        , _imageReader()
        , _resampler(&_canvasSize)
        , _ve(&_canvasSize)
    {
        addProcessor(&_imageReader);
        addProcessor(&_resampler);
        addProcessor(&_ve);

        addEventListenerToBack(&_ve);
    }

    ResamplingDemo::~ResamplingDemo() {
    }

    void ResamplingDemo::init() {
        AutoEvaluationPipeline::init();

        _ve.p_outputImage.setValue("result");
        _renderTargetID.setValue("result");

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        _imageReader.p_url.setValue(CAMPVIS_SOURCE_DIR "/modules/vis/sampledata/smallHeart.mhd");
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        _imageReader.p_targetImageID.setValue("reader.output");
        _imageReader.p_targetImageID.addSharedProperty(&_resampler.p_inputImage);

        _resampler.p_outputImage.setValue("resampled");
        _resampler.p_outputImage.addSharedProperty(&_ve.p_inputVolume);
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        Geometry1DTransferFunction* dvrTF = new Geometry1DTransferFunction(128, tgt::vec2(0.f, .05f));
        dvrTF->addGeometry(TFGeometry1D::createQuad(tgt::vec2(.1f, .125f), tgt::col4(255, 0, 0, 32), tgt::col4(255, 0, 0, 32)));
        dvrTF->addGeometry(TFGeometry1D::createQuad(tgt::vec2(.4f, .5f), tgt::col4(0, 255, 0, 128), tgt::col4(0, 255, 0, 128)));
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        static_cast<TransferFunctionProperty*>(_ve.getNestedProperty("VolumeRendererProperties::RaycasterProps::TransferFunction"))->replaceTF(dvrTF);
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    }

    void ResamplingDemo::deinit() {
        _canvasSize.s_changed.disconnect(this);
        AutoEvaluationPipeline::deinit();
    }


}