simpleraycaster.h 3.16 KB
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// ================================================================================================
// 
// This file is part of the TUMVis Visualization Framework.
// 
// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
//      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
// 
// The licensing of this softare is not yet resolved. Until then, redistribution in source or
// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
// However, the names of the original authors and the above copyright notice must retain in its
// original state in any case.
// 
// Legal disclaimer provided by the BSD license:
// 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 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// ================================================================================================

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#ifndef SIMPLERAYCASTER_H__
#define SIMPLERAYCASTER_H__

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#include "core/pipeline/raycastingprocessor.h"
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#include "core/properties/genericproperty.h"
#include "core/properties/numericproperty.h"
#include "core/properties/transferfunctionproperty.h"

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#include <string>

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namespace tgt {
    class Shader;
}

namespace TUMVis {
    /**
     * Performs a simple volume ray casting.
     * \todo    OpenGL supports up to 4 bound FBO. We can use them to generate multiple images
     *          in a single pass, e.g. first hit point, normals, MIP, DVR.
     */
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    class SimpleRaycaster : public RaycastingProcessor {
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    public:
        /**
         * Constructs a new SimpleRaycaster Processor
         **/
        SimpleRaycaster(GenericProperty<tgt::ivec2>& canvasSize);

        /**
         * Destructor
         **/
        virtual ~SimpleRaycaster();

        /// \see AbstractProcessor::getName()
        virtual const std::string getName() const { return "SimpleRaycaster"; };
        /// \see AbstractProcessor::getDescription()
        virtual const std::string getDescription() const { return "Performs a simple volume ray casting."; };

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        DataNameProperty _targetImageID;    ///< image ID for output image
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    protected:
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        /// \see RaycastingProcessor::processImpl()
        virtual void processImpl(DataContainer& data);
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        static const std::string loggerCat_;
    };

}

#endif // SIMPLERAYCASTER_H__