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Diffstat (limited to 'include/astra/CudaProjector3D.h')
-rw-r--r-- | include/astra/CudaProjector3D.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/astra/CudaProjector3D.h b/include/astra/CudaProjector3D.h new file mode 100644 index 0000000..66071f0 --- /dev/null +++ b/include/astra/CudaProjector3D.h @@ -0,0 +1,131 @@ +/* +----------------------------------------------------------------------- +Copyright 2012 iMinds-Vision Lab, University of Antwerp + +Contact: astra@ua.ac.be +Website: http://astra.ua.ac.be + + +This file is part of the +All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox"). + +The ASTRA Toolbox is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +The ASTRA Toolbox is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifndef INC_ASTRA_CUDAPROJECTOR3D +#define INC_ASTRA_CUDAPROJECTOR3D + +#ifdef ASTRA_CUDA + +#include <cmath> +#include <vector> + +#include "Globals.h" +#include "Config.h" +#include "Projector3D.h" +#include "../../cuda/3d/astra3d.h" + +namespace astra +{ + +/** This is a three-dimensional CUDA-projector. + * It is essentially a fake projector, containing settings relevant for the + * actual CUDA code. + */ +class _AstraExport CCudaProjector3D : public CProjector3D +{ + +protected: + + /** Check variable values. + */ + bool _check(); + + /** Clear all member variables, setting all numeric variables to 0 and all pointers to NULL. + * Should only be used by constructors. Otherwise use the clear() function. + */ + void _clear(); + +public: + + // type of the projector, needed to register with CProjectorFactory + static std::string type; + + /** + * Default Constructor. + */ + CCudaProjector3D(); + + /** Destructor, is virtual to show that we are aware subclass destructor is called. + */ + virtual ~CCudaProjector3D(); + + /** Clear all member variables, setting all numeric variables to 0 and all pointers to NULL. + */ + void clear(); + + /** Initialize the projector with a config object. + * + * @param _cfg Configuration Object + * @return initialization successful? + */ + virtual bool initialize(const Config& _cfg); + + virtual void computeSingleRayWeights(int _iProjectionIndex, + int _iSliceIndex, + int _iDetectorIndex, + SPixelWeight* _pWeightedPixels, + int _iMaxPixelCount, + int& _iStoredPixelCount) {} + virtual int getProjectionWeightsCount(int _iProjectionIndex) { return 0; } + template <typename Policy> + void project(Policy& _policy) {} + template <typename Policy> + void projectSingleProjection(int _iProjection, Policy& _policy) {} + template <typename Policy> + void projectSingleRay(int _iProjection, int _iSlice, int _iDetector, Policy& _policy) {} + + + + /** Return the type of this projector. + * + * @return identification type of this projector + */ + virtual std::string getType() { return type; } + + /** get a description of the class + * + * @return description string + */ + virtual std::string description() const; + + + Cuda3DProjectionKernel getProjectionKernel() const { return m_projectionKernel; } + +protected: + + Cuda3DProjectionKernel m_projectionKernel; + + +}; + + +} // namespace astra + +#endif // ASTRA_CUDA + +#endif /* INC_ASTRA_CUDAPROJECTOR3D */ |