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Diffstat (limited to 'src/CudaBackProjectionAlgorithm3D.cpp')
| -rw-r--r-- | src/CudaBackProjectionAlgorithm3D.cpp | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/CudaBackProjectionAlgorithm3D.cpp b/src/CudaBackProjectionAlgorithm3D.cpp new file mode 100644 index 0000000..b60adf1 --- /dev/null +++ b/src/CudaBackProjectionAlgorithm3D.cpp @@ -0,0 +1,222 @@ +/* +----------------------------------------------------------------------- +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/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#include "astra/CudaBackProjectionAlgorithm3D.h" + +#include <boost/lexical_cast.hpp> + +#include "astra/AstraObjectManager.h" + +#include "astra/ConeProjectionGeometry3D.h" +#include "astra/ParallelProjectionGeometry3D.h" +#include "astra/ParallelVecProjectionGeometry3D.h" +#include "astra/ConeVecProjectionGeometry3D.h" + +#include "../cuda/3d/astra3d.h" + +using namespace std; + +namespace astra { + +// type of the algorithm, needed to register with CAlgorithmFactory +std::string CCudaBackProjectionAlgorithm3D::type = "BP3D_CUDA"; + +//---------------------------------------------------------------------------------------- +// Constructor +CCudaBackProjectionAlgorithm3D::CCudaBackProjectionAlgorithm3D() +{ + m_bIsInitialized = false; + m_iGPUIndex = 0; + m_iVoxelSuperSampling = 1; +} + +//---------------------------------------------------------------------------------------- +// Constructor with initialization +CCudaBackProjectionAlgorithm3D::CCudaBackProjectionAlgorithm3D(CProjector3D* _pProjector, + CFloat32ProjectionData3DMemory* _pProjectionData, + CFloat32VolumeData3DMemory* _pReconstruction) +{ + _clear(); + initialize(_pProjector, _pProjectionData, _pReconstruction); +} + +//---------------------------------------------------------------------------------------- +// Destructor +CCudaBackProjectionAlgorithm3D::~CCudaBackProjectionAlgorithm3D() +{ + CReconstructionAlgorithm3D::_clear(); +} + + +//--------------------------------------------------------------------------------------- +// Check +bool CCudaBackProjectionAlgorithm3D::_check() +{ + // check base class + ASTRA_CONFIG_CHECK(CReconstructionAlgorithm3D::_check(), "BP3D_CUDA", "Error in ReconstructionAlgorithm3D initialization"); + + + return true; +} + +//--------------------------------------------------------------------------------------- +// Initialize - Config +bool CCudaBackProjectionAlgorithm3D::initialize(const Config& _cfg) +{ + ASTRA_ASSERT(_cfg.self); + ConfigStackCheck<CAlgorithm> CC("CudaBackProjectionAlgorithm3D", this, _cfg); + + // if already initialized, clear first + if (m_bIsInitialized) { + clear(); + } + + // initialization of parent class + if (!CReconstructionAlgorithm3D::initialize(_cfg)) { + return false; + } + + m_iGPUIndex = (int)_cfg.self->getOptionNumerical("GPUindex", 0); + CC.markOptionParsed("GPUindex"); + m_iVoxelSuperSampling = (int)_cfg.self->getOptionNumerical("VoxelSuperSampling", 1); + CC.markOptionParsed("VoxelSuperSampling"); + + // success + m_bIsInitialized = _check(); + return m_bIsInitialized; +} + +//---------------------------------------------------------------------------------------- +// Initialize - C++ +bool CCudaBackProjectionAlgorithm3D::initialize(CProjector3D* _pProjector, + CFloat32ProjectionData3DMemory* _pSinogram, + CFloat32VolumeData3DMemory* _pReconstruction) +{ + // if already initialized, clear first + if (m_bIsInitialized) { + clear(); + } + + // required classes + m_pProjector = _pProjector; + m_pSinogram = _pSinogram; + m_pReconstruction = _pReconstruction; + + // success + m_bIsInitialized = _check(); + return m_bIsInitialized; +} + +//--------------------------------------------------------------------------------------- +// Information - All +map<string,boost::any> CCudaBackProjectionAlgorithm3D::getInformation() +{ + map<string, boost::any> res; + return mergeMap<string,boost::any>(CAlgorithm::getInformation(), res); +}; + +//--------------------------------------------------------------------------------------- +// Information - Specific +boost::any CCudaBackProjectionAlgorithm3D::getInformation(std::string _sIdentifier) +{ + return CAlgorithm::getInformation(_sIdentifier); +}; + +//---------------------------------------------------------------------------------------- +// Iterate +void CCudaBackProjectionAlgorithm3D::run(int _iNrIterations) +{ + // check initialized + ASTRA_ASSERT(m_bIsInitialized); + + CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram); + ASTRA_ASSERT(pSinoMem); + CFloat32VolumeData3DMemory* pReconMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstruction); + ASTRA_ASSERT(pReconMem); + + const CProjectionGeometry3D* projgeom = pSinoMem->getGeometry(); + const CConeProjectionGeometry3D* conegeom = dynamic_cast<const CConeProjectionGeometry3D*>(projgeom); + const CParallelProjectionGeometry3D* par3dgeom = dynamic_cast<const CParallelProjectionGeometry3D*>(projgeom); + const CConeVecProjectionGeometry3D* conevecgeom = dynamic_cast<const CConeVecProjectionGeometry3D*>(projgeom); + const CParallelVecProjectionGeometry3D* parvec3dgeom = dynamic_cast<const CParallelVecProjectionGeometry3D*>(projgeom); + const CVolumeGeometry3D& volgeom = *pReconMem->getGeometry(); + + if (conegeom) { + astraCudaConeBP(pReconMem->getData(), pSinoMem->getDataConst(), + volgeom.getGridColCount(), + volgeom.getGridRowCount(), + volgeom.getGridSliceCount(), + conegeom->getProjectionCount(), + conegeom->getDetectorColCount(), + conegeom->getDetectorRowCount(), + conegeom->getOriginSourceDistance(), + conegeom->getOriginDetectorDistance(), + conegeom->getDetectorSpacingX(), + conegeom->getDetectorSpacingY(), + conegeom->getProjectionAngles(), + m_iGPUIndex, m_iVoxelSuperSampling); + } else if (par3dgeom) { + astraCudaPar3DBP(pReconMem->getData(), pSinoMem->getDataConst(), + volgeom.getGridColCount(), + volgeom.getGridRowCount(), + volgeom.getGridSliceCount(), + par3dgeom->getProjectionCount(), + par3dgeom->getDetectorColCount(), + par3dgeom->getDetectorRowCount(), + par3dgeom->getDetectorSpacingX(), + par3dgeom->getDetectorSpacingY(), + par3dgeom->getProjectionAngles(), + m_iGPUIndex, m_iVoxelSuperSampling); + } else if (parvec3dgeom) { + astraCudaPar3DBP(pReconMem->getData(), pSinoMem->getDataConst(), + volgeom.getGridColCount(), + volgeom.getGridRowCount(), + volgeom.getGridSliceCount(), + parvec3dgeom->getProjectionCount(), + parvec3dgeom->getDetectorColCount(), + parvec3dgeom->getDetectorRowCount(), + parvec3dgeom->getProjectionVectors(), + m_iGPUIndex, m_iVoxelSuperSampling); + } else if (conevecgeom) { + astraCudaConeBP(pReconMem->getData(), pSinoMem->getDataConst(), + volgeom.getGridColCount(), + volgeom.getGridRowCount(), + volgeom.getGridSliceCount(), + conevecgeom->getProjectionCount(), + conevecgeom->getDetectorColCount(), + conevecgeom->getDetectorRowCount(), + conevecgeom->getProjectionVectors(), + m_iGPUIndex, m_iVoxelSuperSampling); + } else { + ASTRA_ASSERT(false); + } + +} + + +} // namespace astra |