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Diffstat (limited to 'src/ParallelVecProjectionGeometry2D.cpp')
| -rw-r--r-- | src/ParallelVecProjectionGeometry2D.cpp | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/ParallelVecProjectionGeometry2D.cpp b/src/ParallelVecProjectionGeometry2D.cpp new file mode 100644 index 0000000..1503076 --- /dev/null +++ b/src/ParallelVecProjectionGeometry2D.cpp @@ -0,0 +1,233 @@ +/* +----------------------------------------------------------------------- +Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp + 2014-2015, CWI, Amsterdam + +Contact: astra@uantwerpen.be +Website: http://sf.net/projects/astra-toolbox + +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/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#include "astra/ParallelVecProjectionGeometry2D.h" + +#include <cstring> +#include <sstream> +#include <boost/lexical_cast.hpp> + +using namespace std; + +namespace astra +{ + +//---------------------------------------------------------------------------------------- +// Default constructor. Sets all variables to zero. +CParallelVecProjectionGeometry2D::CParallelVecProjectionGeometry2D() +{ + _clear(); + m_pProjectionAngles = 0; +} + +//---------------------------------------------------------------------------------------- +// Constructor. +CParallelVecProjectionGeometry2D::CParallelVecProjectionGeometry2D(int _iProjectionAngleCount, + int _iDetectorCount, + const SParProjection* _pProjectionAngles) +{ + this->initialize(_iProjectionAngleCount, + _iDetectorCount, + _pProjectionAngles); +} + +//---------------------------------------------------------------------------------------- +// Copy Constructor +CParallelVecProjectionGeometry2D::CParallelVecProjectionGeometry2D(const CParallelVecProjectionGeometry2D& _projGeom) +{ + _clear(); + this->initialize(_projGeom.m_iProjectionAngleCount, + _projGeom.m_iDetectorCount, + _projGeom.m_pProjectionAngles); +} + +//---------------------------------------------------------------------------------------- +// Destructor. +CParallelVecProjectionGeometry2D::~CParallelVecProjectionGeometry2D() +{ + // TODO + delete[] m_pProjectionAngles; +} + + +//---------------------------------------------------------------------------------------- +// Initialization. +bool CParallelVecProjectionGeometry2D::initialize(int _iProjectionAngleCount, + int _iDetectorCount, + const SParProjection* _pProjectionAngles) +{ + m_iProjectionAngleCount = _iProjectionAngleCount; + m_iDetectorCount = _iDetectorCount; + m_pProjectionAngles = new SParProjection[m_iProjectionAngleCount]; + for (int i = 0; i < m_iProjectionAngleCount; ++i) + m_pProjectionAngles[i] = _pProjectionAngles[i]; + + // TODO: check? + + // success + m_bInitialized = _check(); + return m_bInitialized; +} + +//---------------------------------------------------------------------------------------- +// Initialization with a Config object +bool CParallelVecProjectionGeometry2D::initialize(const Config& _cfg) +{ + ASTRA_ASSERT(_cfg.self); + ConfigStackCheck<CProjectionGeometry2D> CC("ParallelVecProjectionGeometry2D", this, _cfg); + + // TODO: Fix up class hierarchy... this class doesn't fit very well. + // initialization of parent class + //CProjectionGeometry2D::initialize(_cfg); + + // Required: DetectorCount + XMLNode node = _cfg.self.getSingleNode("DetectorCount"); + ASTRA_CONFIG_CHECK(node, "ParallelVecProjectionGeometry2D", "No DetectorRowCount tag specified."); + m_iDetectorCount = boost::lexical_cast<int>(node.getContent()); + CC.markNodeParsed("DetectorCount"); + + // Required: Vectors + node = _cfg.self.getSingleNode("Vectors"); + ASTRA_CONFIG_CHECK(node, "ParallelVecProjectionGeometry2D", "No Vectors tag specified."); + vector<float32> data = node.getContentNumericalArray(); + CC.markNodeParsed("Vectors"); + ASTRA_CONFIG_CHECK(data.size() % 6 == 0, "ParallelVecProjectionGeometry2D", "Vectors doesn't consist of 6-tuples."); + m_iProjectionAngleCount = data.size() / 6; + m_pProjectionAngles = new SParProjection[m_iProjectionAngleCount]; + + for (int i = 0; i < m_iProjectionAngleCount; ++i) { + SParProjection& p = m_pProjectionAngles[i]; + p.fRayX = data[6*i + 0]; + p.fRayY = data[6*i + 1]; + p.fDetUX = data[6*i + 4]; + p.fDetUY = data[6*i + 5]; + + // The backend code currently expects the corner of the detector, while + // the matlab interface supplies the center + p.fDetSX = data[6*i + 2] - 0.5f * m_iDetectorCount * p.fDetUX; + p.fDetSY = data[6*i + 3] - 0.5f * m_iDetectorCount * p.fDetUY; + } + + // success + m_bInitialized = _check(); + return m_bInitialized; +} + +//---------------------------------------------------------------------------------------- +// Clone +CProjectionGeometry2D* CParallelVecProjectionGeometry2D::clone() +{ + return new CParallelVecProjectionGeometry2D(*this); +} + +//---------------------------------------------------------------------------------------- +// is equal +bool CParallelVecProjectionGeometry2D::isEqual(CProjectionGeometry2D* _pGeom2) const +{ + if (_pGeom2 == NULL) return false; + + // try to cast argument to CParallelVecProjectionGeometry2D + CParallelVecProjectionGeometry2D* pGeom2 = dynamic_cast<CParallelVecProjectionGeometry2D*>(_pGeom2); + if (pGeom2 == NULL) return false; + + // both objects must be initialized + if (!m_bInitialized || !pGeom2->m_bInitialized) return false; + + // check all values + if (m_iProjectionAngleCount != pGeom2->m_iProjectionAngleCount) return false; + if (m_iDetectorCount != pGeom2->m_iDetectorCount) return false; + + for (int i = 0; i < m_iProjectionAngleCount; ++i) { + if (memcmp(&m_pProjectionAngles[i], &pGeom2->m_pProjectionAngles[i], sizeof(m_pProjectionAngles[i])) != 0) return false; + } + + return true; +} + +//---------------------------------------------------------------------------------------- +// Is of type +bool CParallelVecProjectionGeometry2D::isOfType(const std::string& _sType) +{ + return (_sType == "parallel_vec"); +} + +//---------------------------------------------------------------------------------------- + +CVector3D CParallelVecProjectionGeometry2D::getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex /* = 0 */) +{ + CVector3D vOutput(0.0f, 0.0f, 0.0f); + + // not implemented + ASTRA_ASSERT(false); + + return vOutput; +} + +//---------------------------------------------------------------------------------------- + +void CParallelVecProjectionGeometry2D::getRayParams(int _iRow, int _iColumn, float32& _fT, float32& _fTheta) const +{ + // not implemented + ASTRA_ASSERT(false); +} + +//---------------------------------------------------------------------------------------- + +bool CParallelVecProjectionGeometry2D::_check() +{ + // TODO + return true; +} + + +//---------------------------------------------------------------------------------------- +// Get the configuration object +Config* CParallelVecProjectionGeometry2D::getConfiguration() const +{ + Config* cfg = new Config(); + cfg->initialize("ProjectionGeometry2D"); + cfg->self.addAttribute("type", "parallel_vec"); + cfg->self.addChildNode("DetectorCount", getDetectorCount()); + std::string vectors = ""; + for (int i = 0; i < m_iProjectionAngleCount; ++i) { + SParProjection& p = m_pProjectionAngles[i]; + vectors += boost::lexical_cast<string>(p.fRayX) + ","; + vectors += boost::lexical_cast<string>(p.fRayY) + ","; + vectors += boost::lexical_cast<string>(p.fDetSX + 0.5f * m_iDetectorCount * p.fDetUX) + ","; + vectors += boost::lexical_cast<string>(p.fDetSY + 0.5f * m_iDetectorCount * p.fDetUY) + ","; + vectors += boost::lexical_cast<string>(p.fDetUX) + ","; + vectors += boost::lexical_cast<string>(p.fDetUY); + if (i < m_iProjectionAngleCount-1) vectors += ';'; + } + cfg->self.addChildNode("Vectors", vectors); + return cfg; +} +//---------------------------------------------------------------------------------------- + + +} // namespace astra |