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/*
-----------------------------------------------------------------------
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/SparseMatrixProjectionGeometry2D.h"
#include <boost/lexical_cast.hpp>
#include "astra/AstraObjectManager.h"
using namespace std;
namespace astra
{
//----------------------------------------------------------------------------------------
// Default constructor.
CSparseMatrixProjectionGeometry2D::CSparseMatrixProjectionGeometry2D() :
CProjectionGeometry2D()
{
m_pMatrix = 0;
}
//----------------------------------------------------------------------------------------
// Constructor.
CSparseMatrixProjectionGeometry2D::CSparseMatrixProjectionGeometry2D(int _iProjectionAngleCount,
int _iDetectorCount,
const CSparseMatrix* _pMatrix)
{
_clear();
initialize(_iProjectionAngleCount,
_iDetectorCount,
_pMatrix);
}
//----------------------------------------------------------------------------------------
CSparseMatrixProjectionGeometry2D::CSparseMatrixProjectionGeometry2D(const CSparseMatrixProjectionGeometry2D& _projGeom)
{
_clear();
initialize(_projGeom.m_iProjectionAngleCount,
_projGeom.m_iDetectorCount,
_projGeom.m_pMatrix);
}
//----------------------------------------------------------------------------------------
CSparseMatrixProjectionGeometry2D& CSparseMatrixProjectionGeometry2D::operator=(const CSparseMatrixProjectionGeometry2D& _other)
{
m_bInitialized = _other.m_bInitialized;
if (_other.m_bInitialized) {
m_pMatrix = _other.m_pMatrix;
m_iDetectorCount = _other.m_iDetectorCount;
m_fDetectorWidth = _other.m_fDetectorWidth;
}
return *this;
}
//----------------------------------------------------------------------------------------
// Destructor.
CSparseMatrixProjectionGeometry2D::~CSparseMatrixProjectionGeometry2D()
{
m_pMatrix = 0;
}
//---------------------------------------------------------------------------------------
// Initialize - Config
bool CSparseMatrixProjectionGeometry2D::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CProjectionGeometry2D> CC("SparseMatrixProjectionGeometry2D", this, _cfg);
// initialization of parent class
CProjectionGeometry2D::initialize(_cfg);
// get matrix
XMLNode* node = _cfg.self->getSingleNode("MatrixID");
ASTRA_CONFIG_CHECK(node, "SparseMatrixProjectionGeometry2D", "No MatrixID tag specified.");
int id = boost::lexical_cast<int>(node->getContent());
m_pMatrix = CMatrixManager::getSingleton().get(id);
ASTRA_DELETE(node);
CC.markNodeParsed("MatrixID");
// success
m_bInitialized = _check();
return m_bInitialized;
}
//----------------------------------------------------------------------------------------
// Initialization.
bool CSparseMatrixProjectionGeometry2D::initialize(int _iProjectionAngleCount,
int _iDetectorCount,
const CSparseMatrix* _pMatrix)
{
if (m_bInitialized) {
clear();
}
m_iProjectionAngleCount = _iProjectionAngleCount;
m_iDetectorCount = _iDetectorCount;
// FIXME: We should probably require these for consistency?
m_fDetectorWidth = 1.0f;
m_pfProjectionAngles = new float32[m_iProjectionAngleCount];
for (int i = 0; i < m_iProjectionAngleCount; ++i)
m_pfProjectionAngles[i] = 0.0f;
m_pMatrix = _pMatrix;
// success
m_bInitialized = _check();
return m_bInitialized;
}
//----------------------------------------------------------------------------------------
// Check.
bool CSparseMatrixProjectionGeometry2D::_check()
{
// check base class
ASTRA_CONFIG_CHECK(CProjectionGeometry2D::_check(), "SparseMatrixProjectionGeometry2D", "Error in ProjectionGeometry2D initialization");
ASTRA_CONFIG_CHECK(m_pMatrix, "SparseMatrixProjectionGeometry2D", "No matrix specified");
ASTRA_CONFIG_CHECK(m_pMatrix->m_iHeight == (unsigned int)(m_iProjectionAngleCount * m_iDetectorCount), "SparseMatrixProjectionGeometry2D", "Matrix height doesn't match projection geometry");
return true;
}
//----------------------------------------------------------------------------------------
// Clone
CProjectionGeometry2D* CSparseMatrixProjectionGeometry2D::clone()
{
return new CSparseMatrixProjectionGeometry2D(*this);
}
//----------------------------------------------------------------------------------------
// is equal
bool CSparseMatrixProjectionGeometry2D::isEqual(CProjectionGeometry2D* _pGeom2) const
{
if (_pGeom2 == NULL) return false;
// try to cast argument to CSparseMatrixProjectionGeometry2D
CSparseMatrixProjectionGeometry2D* pGeom2 = dynamic_cast<CSparseMatrixProjectionGeometry2D*>(_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;
if (m_fDetectorWidth != pGeom2->m_fDetectorWidth) return false;
// Maybe check equality of matrices by element?
if (m_pMatrix != pGeom2->m_pMatrix) return false;
return true;
}
//----------------------------------------------------------------------------------------
// is of type
bool CSparseMatrixProjectionGeometry2D::isOfType(const std::string& _sType)
{
return (_sType == "sparse_matrix");
}
//----------------------------------------------------------------------------------------
CVector3D CSparseMatrixProjectionGeometry2D::getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex)
{
CVector3D vOutput(0.0f, 0.0f, 0.0f);
// not implemented, yet
ASTRA_ASSERT(false);
return vOutput;
}
} // end namespace astra
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