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/*
-----------------------------------------------------------------------
Copyright: 2010-2018, iMinds-Vision Lab, University of Antwerp
2014-2018, CWI, Amsterdam
Contact: astra@astra-toolbox.com
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
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