/* ----------------------------------------------------------------------- Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp 2014-2015, CWI, Amsterdam Contact: astra@uantwerpen.be Website: http://sf.net/projects/astra-toolbox This file is part of the 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_CUDAPROJECTOR2D #define _INC_ASTRA_CUDAPROJECTOR2D #include "ParallelProjectionGeometry2D.h" #include "Float32Data2D.h" #include "Projector2D.h" #include "../../cuda/2d/astra.h" namespace astra { /** This is a two-dimensional CUDA-projector. * It is essentially a fake projector, containing settings relevant for the * actual CUDA code. */ class _AstraExport CCudaProjector2D : public CProjector2D { protected: /** Initial clearing. Only to be used by constructors. */ virtual void _clear(); /** Check the values of this object. If everything is ok, the object can be set to the initialized state. * The following statements are then guaranteed to hold: * - no NULL pointers * - all sub-objects are initialized properly * - blobvalues are ok */ virtual bool _check(); public: // type of the projector, needed to register with CProjectorFactory static std::string type; /** Default constructor. */ CCudaProjector2D(); /** Constructor. * * @param _pProjectionGeometry Information class about the geometry of the projection. Will be HARDCOPIED. * @param _pReconstructionGeometry Information class about the geometry of the reconstruction volume. Will be HARDCOPIED. */ CCudaProjector2D(CParallelProjectionGeometry2D* _pProjectionGeometry, CVolumeGeometry2D* _pReconstructionGeometry); ~CCudaProjector2D(); /** Initialize the projector with a config object. * * @param _cfg Configuration Object * @return initialization successful? */ virtual bool initialize(const Config& _cfg); /** Clear this class. */ virtual void clear(); virtual int getProjectionWeightsCount(int _iProjectionIndex) { return 0; } virtual void computeSingleRayWeights(int _iProjectionIndex, int _iDetectorIndex, SPixelWeight* _pWeightedPixels, int _iMaxPixelCount, int& _iStoredPixelCount) {} virtual std::vector<SDetector2D> projectPoint(int _iRow, int _iCol) { std::vector<SDetector2D> x; return x; } template <typename Policy> void project(Policy& _policy) {} template <typename Policy> void projectSingleProjection(int _iProjection, Policy& _policy) {} template <typename Policy> void projectSingleRay(int _iProjection, int _iDetector, Policy& _policy) {} /** Return the type of this projector. * * @return identification type of this projector */ virtual std::string getType(); /** get a description of the class * * @return description string */ virtual std::string description() const; protected: Cuda2DProjectionKernel m_projectionKernel; }; //---------------------------------------------------------------------------------------- inline std::string CCudaProjector2D::getType() { return type; } } // namespace astra #endif