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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/ParallelProjectionGeometry3D.h"
#include <cstring>
using namespace std;
namespace astra
{
//----------------------------------------------------------------------------------------
// Default constructor.
CParallelProjectionGeometry3D::CParallelProjectionGeometry3D() :
CProjectionGeometry3D()
{
}
//----------------------------------------------------------------------------------------
// Constructor.
CParallelProjectionGeometry3D::CParallelProjectionGeometry3D(int _iProjectionAngleCount,
int _iDetectorRowCount,
int _iDetectorColCount,
float32 _fDetectorWidth,
float32 _fDetectorHeight,
const float32* _pfProjectionAngles,
const float32* _pfExtraDetectorOffsetsX,
const float32* _pfExtraDetectorOffsetsY) :
CProjectionGeometry3D()
{
initialize(_iProjectionAngleCount,
_iDetectorRowCount,
_iDetectorColCount,
_fDetectorWidth,
_fDetectorHeight,
_pfProjectionAngles,
_pfExtraDetectorOffsetsX,
_pfExtraDetectorOffsetsY);
}
//----------------------------------------------------------------------------------------
// Destructor.
CParallelProjectionGeometry3D::~CParallelProjectionGeometry3D()
{
}
//---------------------------------------------------------------------------------------
// Initialize - Config
bool CParallelProjectionGeometry3D::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CProjectionGeometry3D> CC("ParallelProjectionGeometry3D", this, _cfg);
// initialization of parent class
CProjectionGeometry3D::initialize(_cfg);
// success
m_bInitialized = _check();
return m_bInitialized;
}
//----------------------------------------------------------------------------------------
// Initialization.
bool CParallelProjectionGeometry3D::initialize(int _iProjectionAngleCount,
int _iDetectorRowCount,
int _iDetectorColCount,
float32 _fDetectorWidth,
float32 _fDetectorHeight,
const float32* _pfProjectionAngles,
const float32* _pfExtraDetectorOffsetsX,
const float32* _pfExtraDetectorOffsetsY)
{
_initialize(_iProjectionAngleCount,
_iDetectorRowCount,
_iDetectorColCount,
_fDetectorWidth,
_fDetectorHeight,
_pfProjectionAngles,
_pfExtraDetectorOffsetsX,
_pfExtraDetectorOffsetsY);
// success
m_bInitialized = _check();
return m_bInitialized;
}
//----------------------------------------------------------------------------------------
// Clone
CProjectionGeometry3D* CParallelProjectionGeometry3D::clone() const
{
CParallelProjectionGeometry3D* res = new CParallelProjectionGeometry3D();
res->m_bInitialized = m_bInitialized;
res->m_iProjectionAngleCount = m_iProjectionAngleCount;
res->m_iDetectorRowCount = m_iDetectorRowCount;
res->m_iDetectorColCount = m_iDetectorColCount;
res->m_iDetectorTotCount = m_iDetectorTotCount;
res->m_fDetectorSpacingX = m_fDetectorSpacingX;
res->m_fDetectorSpacingY = m_fDetectorSpacingY;
res->m_pfProjectionAngles = new float32[m_iProjectionAngleCount];
memcpy(res->m_pfProjectionAngles, m_pfProjectionAngles, sizeof(float32)*m_iProjectionAngleCount);
res->m_pfExtraDetectorOffsetsX = new float32[m_iProjectionAngleCount];
memcpy(res->m_pfExtraDetectorOffsetsX, m_pfExtraDetectorOffsetsX, sizeof(float32)*m_iProjectionAngleCount);
res->m_pfExtraDetectorOffsetsY = new float32[m_iProjectionAngleCount];
memcpy(res->m_pfExtraDetectorOffsetsY, m_pfExtraDetectorOffsetsY, sizeof(float32)*m_iProjectionAngleCount);
return res;
}
//----------------------------------------------------------------------------------------
// is equal
bool CParallelProjectionGeometry3D::isEqual(const CProjectionGeometry3D * _pGeom2) const
{
if (_pGeom2 == NULL) return false;
// try to cast argument to CParallelProjectionGeometry3D
const CParallelProjectionGeometry3D* pGeom2 = dynamic_cast<const CParallelProjectionGeometry3D*>(_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_iDetectorRowCount != pGeom2->m_iDetectorRowCount) return false;
if (m_iDetectorColCount != pGeom2->m_iDetectorColCount) return false;
if (m_iDetectorTotCount != pGeom2->m_iDetectorTotCount) return false;
if (m_fDetectorSpacingX != pGeom2->m_fDetectorSpacingX) return false;
if (m_fDetectorSpacingY != pGeom2->m_fDetectorSpacingY) return false;
for (int i = 0; i < m_iProjectionAngleCount; ++i) {
if (m_pfProjectionAngles[i] != pGeom2->m_pfProjectionAngles[i]) return false;
}
return true;
}
//----------------------------------------------------------------------------------------
// is of type
bool CParallelProjectionGeometry3D::isOfType(const std::string& _sType) const
{
return (_sType == "parallel");
}
//----------------------------------------------------------------------------------------
void CParallelProjectionGeometry3D::toXML(XMLNode* _sNode) const
{
_sNode->addAttribute("type","parallel3d");
_sNode->addChildNode("DetectorSpacingX", m_fDetectorSpacingX);
_sNode->addChildNode("DetectorSpacingY", m_fDetectorSpacingY);
_sNode->addChildNode("DetectorRowCount", m_iDetectorRowCount);
_sNode->addChildNode("DetectorColCount", m_iDetectorColCount);
_sNode->addChildNode("ProjectionAngles", m_pfProjectionAngles, m_iProjectionAngleCount);
_sNode->addChildNode("ExtraDetectorOffsetsX", m_pfExtraDetectorOffsetsX, m_iProjectionAngleCount);
_sNode->addChildNode("ExtraDetectorOffsetsY", m_pfExtraDetectorOffsetsY, m_iProjectionAngleCount);
}
CVector3D CParallelProjectionGeometry3D::getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex) const
{
float fTheta = m_pfProjectionAngles[_iProjectionIndex];
float fDirX = cosf(fTheta);
float fDirY = sinf(fTheta);
float fDirZ = 0.0f;
return CVector3D(fDirX, fDirY, fDirZ);
}
CParallelProjectionGeometry2D * CParallelProjectionGeometry3D::createProjectionGeometry2D() const
{
const float32 * pfProjectionAngles = getProjectionAngles(); //new float32[getProjectionCount()];
//getProjectionAngles(pfProjectionAngles);
CParallelProjectionGeometry2D * pOutput = new CParallelProjectionGeometry2D(getProjectionCount(),
getDetectorColCount(), getDetectorSpacingX(), pfProjectionAngles,getExtraDetectorOffsetsX());
//delete [] pfProjectionAngles;
return pOutput;
}
//----------------------------------------------------------------------------------------
} // end namespace astra
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