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/*
-----------------------------------------------------------------------
Copyright: 2010-2018, imec Vision Lab, University of Antwerp
2014-2018, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
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/>.
-----------------------------------------------------------------------
*/
#ifdef ASTRA_CUDA
#include "astra/CudaSirtAlgorithm.h"
#include "astra/AstraObjectManager.h"
#include "astra/cuda/2d/sirt.h"
using namespace std;
namespace astra {
// type of the algorithm, needed to register with CAlgorithmFactory
std::string CCudaSirtAlgorithm::type = "SIRT_CUDA";
//----------------------------------------------------------------------------------------
// Constructor
CCudaSirtAlgorithm::CCudaSirtAlgorithm()
{
m_bIsInitialized = false;
CCudaReconstructionAlgorithm2D::_clear();
m_pMinMask = 0;
m_pMaxMask = 0;
m_fLambda = 1.0f;
}
//----------------------------------------------------------------------------------------
// Destructor
CCudaSirtAlgorithm::~CCudaSirtAlgorithm()
{
// The actual work is done by ~CCudaReconstructionAlgorithm2D
m_pMinMask = 0;
m_pMaxMask = 0;
}
//---------------------------------------------------------------------------------------
// Initialize - Config
bool CCudaSirtAlgorithm::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CAlgorithm> CC("CudaSirtAlgorithm", this, _cfg);
m_bIsInitialized = CCudaReconstructionAlgorithm2D::initialize(_cfg);
if (!m_bIsInitialized)
return false;
// min/max masks
if (_cfg.self.hasOption("MinMaskId")) {
int id = _cfg.self.getOptionInt("MinMaskId");
m_pMinMask = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id));
}
CC.markOptionParsed("MinMaskId");
if (_cfg.self.hasOption("MaxMaskId")) {
int id = _cfg.self.getOptionInt("MaxMaskId");
m_pMaxMask = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id));
}
CC.markOptionParsed("MaxMaskId");
m_fLambda = _cfg.self.getOptionNumerical("Relaxation", 1.0f);
CC.markOptionParsed("Relaxation");
m_pAlgo = new astraCUDA::SIRT();
m_bAlgoInit = false;
return true;
}
//---------------------------------------------------------------------------------------
// Initialize - C++
bool CCudaSirtAlgorithm::initialize(CProjector2D* _pProjector,
CFloat32ProjectionData2D* _pSinogram,
CFloat32VolumeData2D* _pReconstruction)
{
m_bIsInitialized = CCudaReconstructionAlgorithm2D::initialize(_pProjector, _pSinogram, _pReconstruction);
if (!m_bIsInitialized)
return false;
m_pAlgo = new astraCUDA::SIRT();
m_bAlgoInit = false;
m_fLambda = 1.0f;
return true;
}
//----------------------------------------------------------------------------------------
void CCudaSirtAlgorithm::initCUDAAlgorithm()
{
CCudaReconstructionAlgorithm2D::initCUDAAlgorithm();
astraCUDA::SIRT* pSirt = dynamic_cast<astraCUDA::SIRT*>(m_pAlgo);
if (m_pMinMask || m_pMaxMask) {
const CVolumeGeometry2D& volgeom = *m_pReconstruction->getGeometry();
const float *pfMinMaskData = 0;
const float *pfMaxMaskData = 0;
if (m_pMinMask) pfMinMaskData = m_pMinMask->getDataConst();
if (m_pMaxMask) pfMaxMaskData = m_pMaxMask->getDataConst();
bool ok = pSirt->uploadMinMaxMasks(pfMinMaskData, pfMaxMaskData, volgeom.getGridColCount());
ASTRA_ASSERT(ok);
}
pSirt->setRelaxation(m_fLambda);
}
} // namespace astra
#endif // ASTRA_CUDA
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