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Diffstat (limited to 'src/CudaFDKAlgorithm3D.cpp')
| -rw-r--r-- | src/CudaFDKAlgorithm3D.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/CudaFDKAlgorithm3D.cpp b/src/CudaFDKAlgorithm3D.cpp new file mode 100644 index 0000000..8f9e7b8 --- /dev/null +++ b/src/CudaFDKAlgorithm3D.cpp @@ -0,0 +1,192 @@ +/* +----------------------------------------------------------------------- +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/CudaFDKAlgorithm3D.h" + +#include <boost/lexical_cast.hpp> + +#include "astra/AstraObjectManager.h" + +#include "astra/ConeProjectionGeometry3D.h" + +#include "../cuda/3d/astra3d.h" + +using namespace std; + +namespace astra { + +// type of the algorithm, needed to register with CAlgorithmFactory +std::string CCudaFDKAlgorithm3D::type = "FDK_CUDA"; + +//---------------------------------------------------------------------------------------- +// Constructor +CCudaFDKAlgorithm3D::CCudaFDKAlgorithm3D() +{ + m_bIsInitialized = false; + m_iGPUIndex = 0; + m_iVoxelSuperSampling = 1; +} + +//---------------------------------------------------------------------------------------- +// Constructor with initialization +CCudaFDKAlgorithm3D::CCudaFDKAlgorithm3D(CProjector3D* _pProjector, + CFloat32ProjectionData3DMemory* _pProjectionData, + CFloat32VolumeData3DMemory* _pReconstruction) +{ + _clear(); + initialize(_pProjector, _pProjectionData, _pReconstruction); +} + +//---------------------------------------------------------------------------------------- +// Destructor +CCudaFDKAlgorithm3D::~CCudaFDKAlgorithm3D() +{ + CReconstructionAlgorithm3D::_clear(); +} + + +//--------------------------------------------------------------------------------------- +// Check +bool CCudaFDKAlgorithm3D::_check() +{ + // check base class + ASTRA_CONFIG_CHECK(CReconstructionAlgorithm3D::_check(), "CUDA_FDK", "Error in ReconstructionAlgorithm3D initialization"); + + const CProjectionGeometry3D* projgeom = m_pSinogram->getGeometry(); + ASTRA_CONFIG_CHECK(dynamic_cast<const CConeProjectionGeometry3D*>(projgeom), "CUDA_FDK", "Error setting FDK geometry"); + + return true; +} + +//--------------------------------------------------------------------------------------- +// Initialize - Config +bool CCudaFDKAlgorithm3D::initialize(const Config& _cfg) +{ + ASTRA_ASSERT(_cfg.self); + ConfigStackCheck<CAlgorithm> CC("CudaFDKAlgorithm3D", 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"); + + m_bShortScan = _cfg.self->getOptionBool("ShortScan", false); + CC.markOptionParsed("ShortScan"); + + // success + m_bIsInitialized = _check(); + return m_bIsInitialized; +} + +//---------------------------------------------------------------------------------------- +// Initialize - C++ +bool CCudaFDKAlgorithm3D::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> CCudaFDKAlgorithm3D::getInformation() +{ + map<string, boost::any> res; + return mergeMap<string,boost::any>(CAlgorithm::getInformation(), res); +}; + +//--------------------------------------------------------------------------------------- +// Information - Specific +boost::any CCudaFDKAlgorithm3D::getInformation(std::string _sIdentifier) +{ + return CAlgorithm::getInformation(_sIdentifier); +}; + +//---------------------------------------------------------------------------------------- +// Iterate +void CCudaFDKAlgorithm3D::run(int _iNrIterations) +{ + // check initialized + ASTRA_ASSERT(m_bIsInitialized); + + const CProjectionGeometry3D* projgeom = m_pSinogram->getGeometry(); + const CConeProjectionGeometry3D* conegeom = dynamic_cast<const CConeProjectionGeometry3D*>(projgeom); + const CVolumeGeometry3D& volgeom = *m_pReconstruction->getGeometry(); + + ASTRA_ASSERT(conegeom); + + CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram); + ASTRA_ASSERT(pSinoMem); + CFloat32VolumeData3DMemory* pReconMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstruction); + ASTRA_ASSERT(pReconMem); + + + bool ok = true; + + ok = astraCudaFDK(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_bShortScan, m_iGPUIndex, m_iVoxelSuperSampling); + + ASTRA_ASSERT(ok); + +} +//---------------------------------------------------------------------------------------- + +} // namespace astra |