From b2fc6c70434674d74551c3a6c01ffb3233499312 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be>
Date: Mon, 1 Jul 2013 22:34:11 +0000
Subject: Update version to 1.3
---
src/CudaBackProjectionAlgorithm3D.cpp | 222 ++++++++++++++++++++++++++++++++++
1 file changed, 222 insertions(+)
create mode 100644 src/CudaBackProjectionAlgorithm3D.cpp
(limited to 'src/CudaBackProjectionAlgorithm3D.cpp')
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
--
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