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authorWillem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be>2013-07-01 22:34:11 +0000
committerwpalenst <WillemJan.Palenstijn@uantwerpen.be>2013-07-01 22:34:11 +0000
commitb2fc6c70434674d74551c3a6c01ffb3233499312 (patch)
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Update version to 1.3
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+/*
+-----------------------------------------------------------------------
+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/BackProjectionAlgorithm.h"
+
+#include <boost/lexical_cast.hpp>
+
+#include "astra/AstraObjectManager.h"
+#include "astra/DataProjectorPolicies.h"
+
+using namespace std;
+
+namespace astra {
+
+#include "astra/Projector2DImpl.inl"
+
+// type of the algorithm, needed to register with CAlgorithmFactory
+std::string CBackProjectionAlgorithm::type = "BP";
+
+//----------------------------------------------------------------------------------------
+// Constructor
+CBackProjectionAlgorithm::CBackProjectionAlgorithm()
+{
+ _clear();
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize - C++
+CBackProjectionAlgorithm::CBackProjectionAlgorithm(CProjector2D* _pProjector,
+ CFloat32ProjectionData2D* _pSinogram,
+ CFloat32VolumeData2D* _pReconstruction)
+{
+ _clear();
+ initialize(_pProjector, _pSinogram, _pReconstruction);
+}
+
+//----------------------------------------------------------------------------------------
+// Destructor
+CBackProjectionAlgorithm::~CBackProjectionAlgorithm()
+{
+ clear();
+}
+
+//---------------------------------------------------------------------------------------
+// Clear - Constructors
+void CBackProjectionAlgorithm::_clear()
+{
+ CReconstructionAlgorithm2D::_clear();
+ m_bIsInitialized = false;
+}
+
+//---------------------------------------------------------------------------------------
+// Clear - Public
+void CBackProjectionAlgorithm::clear()
+{
+ CReconstructionAlgorithm2D::_clear();
+ m_bIsInitialized = false;
+}
+
+//----------------------------------------------------------------------------------------
+// Check
+bool CBackProjectionAlgorithm::_check()
+{
+ // check base class
+ ASTRA_CONFIG_CHECK(CReconstructionAlgorithm2D::_check(), "BP", "Error in ReconstructionAlgorithm2D initialization");
+
+ return true;
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize - Config
+bool CBackProjectionAlgorithm::initialize(const Config& _cfg)
+{
+ ASTRA_ASSERT(_cfg.self);
+ ConfigStackCheck<CAlgorithm> CC("BackProjectionAlgorithm", this, _cfg);
+
+ // if already initialized, clear first
+ if (m_bIsInitialized) {
+ clear();
+ }
+
+ // initialization of parent class
+ if (!CReconstructionAlgorithm2D::initialize(_cfg)) {
+ return false;
+ }
+
+ // init data objects and data projectors
+ _init();
+
+ // success
+ m_bIsInitialized = _check();
+ return m_bIsInitialized;
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize - C++
+bool CBackProjectionAlgorithm::initialize(CProjector2D* _pProjector,
+ CFloat32ProjectionData2D* _pSinogram,
+ CFloat32VolumeData2D* _pReconstruction)
+{
+ // if already initialized, clear first
+ if (m_bIsInitialized) {
+ clear();
+ }
+
+ // required classes
+ m_pProjector = _pProjector;
+ m_pSinogram = _pSinogram;
+ m_pReconstruction = _pReconstruction;
+
+ // init data objects and data projectors
+ _init();
+
+ // success
+ m_bIsInitialized = _check();
+ return m_bIsInitialized;
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize Data Projectors - private
+void CBackProjectionAlgorithm::_init()
+{
+
+}
+
+//---------------------------------------------------------------------------------------
+// Information - All
+map<string,boost::any> CBackProjectionAlgorithm::getInformation()
+{
+ map<string, boost::any> res;
+ return mergeMap<string,boost::any>(CReconstructionAlgorithm2D::getInformation(), res);
+};
+
+//---------------------------------------------------------------------------------------
+// Information - Specific
+boost::any CBackProjectionAlgorithm::getInformation(std::string _sIdentifier)
+{
+ return CAlgorithm::getInformation(_sIdentifier);
+};
+
+//----------------------------------------------------------------------------------------
+// Iterate
+void CBackProjectionAlgorithm::run(int _iNrIterations)
+{
+ // check initialized
+ ASTRA_ASSERT(m_bIsInitialized);
+
+ m_bShouldAbort = false;
+
+ CDataProjectorInterface* pBackProjector;
+
+ pBackProjector = dispatchDataProjector(
+ m_pProjector,
+ SinogramMaskPolicy(m_pSinogramMask), // sinogram mask
+ ReconstructionMaskPolicy(m_pReconstructionMask), // reconstruction mask
+ DefaultBPPolicy(m_pReconstruction, m_pSinogram), // backprojection
+ m_bUseSinogramMask, m_bUseReconstructionMask, true // options on/off
+ );
+
+ m_pReconstruction->setData(0.0f);
+ pBackProjector->project();
+
+ ASTRA_DELETE(pBackProjector);
+}
+//----------------------------------------------------------------------------------------
+
+} // namespace astra