Update version to 1.3

1 files changed, 228 insertions, 0 deletions

diff --git a/src/ConeProjectionGeometry3D.cpp b/src/ConeProjectionGeometry3D.cpp
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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/ConeProjectionGeometry3D.h"
+
+#include <boost/lexical_cast.hpp>
+#include <cstring>
+
+using namespace std;
+
+namespace astra
+{
+
+//----------------------------------------------------------------------------------------
+// Default constructor.
+CConeProjectionGeometry3D::CConeProjectionGeometry3D() :
+	CProjectionGeometry3D() 
+{
+	m_fOriginSourceDistance = 0.0f;
+	m_fOriginDetectorDistance = 0.0f;
+}
+
+//----------------------------------------------------------------------------------------
+// Constructor.
+CConeProjectionGeometry3D::CConeProjectionGeometry3D(int _iProjectionAngleCount, 
+					 									     int _iDetectorRowCount, 
+															 int _iDetectorColCount, 
+															 float32 _fDetectorWidth, 
+															 float32 _fDetectorHeight, 
+															 const float32* _pfProjectionAngles,
+															 float32 _fOriginSourceDistance, 
+															 float32 _fOriginDetectorDistance) :
+	CProjectionGeometry3D() 
+{
+	initialize(_iProjectionAngleCount, 
+			   _iDetectorRowCount, 
+			   _iDetectorColCount, 
+			   _fDetectorWidth, 
+			   _fDetectorHeight, 
+			   _pfProjectionAngles,
+			   _fOriginSourceDistance,
+			   _fOriginDetectorDistance);
+}
+
+//----------------------------------------------------------------------------------------
+// Destructor.
+CConeProjectionGeometry3D::~CConeProjectionGeometry3D()
+{
+
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize - Config
+bool CConeProjectionGeometry3D::initialize(const Config& _cfg)
+{
+	ASTRA_ASSERT(_cfg.self);
+	ConfigStackCheck<CProjectionGeometry3D> CC("ConeProjectionGeometry3D", this, _cfg);	
+
+	// initialization of parent class
+	CProjectionGeometry3D::initialize(_cfg);
+
+	// Required: DistanceOriginDetector
+	XMLNode* node = _cfg.self->getSingleNode("DistanceOriginDetector");
+	ASTRA_CONFIG_CHECK(node, "ConeProjectionGeometry3D", "No DistanceOriginDetector tag specified.");
+	m_fOriginDetectorDistance = boost::lexical_cast<float32>(node->getContent());
+	ASTRA_DELETE(node);
+	CC.markNodeParsed("DistanceOriginDetector");
+
+	// Required: DetectorOriginSource
+	node = _cfg.self->getSingleNode("DistanceOriginSource");
+	ASTRA_CONFIG_CHECK(node, "ConeProjectionGeometry3D", "No DistanceOriginSource tag specified.");
+	m_fOriginSourceDistance = boost::lexical_cast<float32>(node->getContent());
+	ASTRA_DELETE(node);
+	CC.markNodeParsed("DistanceOriginSource");
+
+	// success
+	m_bInitialized = _check();
+	return m_bInitialized;
+}
+
+//----------------------------------------------------------------------------------------
+// Initialization.
+bool CConeProjectionGeometry3D::initialize(int _iProjectionAngleCount, 
+											   int _iDetectorRowCount, 
+											   int _iDetectorColCount, 
+											   float32 _fDetectorWidth, 
+											   float32 _fDetectorHeight, 
+											   const float32* _pfProjectionAngles,
+											   float32 _fOriginSourceDistance, 
+											   float32 _fOriginDetectorDistance)
+{
+	_initialize(_iProjectionAngleCount, 
+			    _iDetectorRowCount, 
+			    _iDetectorColCount, 
+			    _fDetectorWidth, 
+			    _fDetectorHeight, 
+			    _pfProjectionAngles);
+
+	m_fOriginSourceDistance = _fOriginSourceDistance;
+	m_fOriginDetectorDistance = _fOriginDetectorDistance;
+
+	// success
+	m_bInitialized = _check();
+	return m_bInitialized;
+}
+
+//----------------------------------------------------------------------------------------
+// Clone
+CProjectionGeometry3D* CConeProjectionGeometry3D::clone() const
+{
+	CConeProjectionGeometry3D* res = new CConeProjectionGeometry3D();
+	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_fOriginSourceDistance	= m_fOriginSourceDistance;
+	res->m_fOriginDetectorDistance	= m_fOriginDetectorDistance;
+	return res;
+}
+
+//----------------------------------------------------------------------------------------
+// is equal
+bool CConeProjectionGeometry3D::isEqual(const CProjectionGeometry3D* _pGeom2) const
+{
+	if (_pGeom2 == NULL) return false;
+
+	// try to cast argument to CParallelProjectionGeometry3D
+	const CConeProjectionGeometry3D* pGeom2 = dynamic_cast<const CConeProjectionGeometry3D*>(_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;
+	if (m_fOriginSourceDistance != pGeom2->m_fOriginSourceDistance) return false;
+	if (m_fOriginDetectorDistance != pGeom2->m_fOriginDetectorDistance) 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 CConeProjectionGeometry3D::isOfType(const std::string& _sType) const
+{
+	 return (_sType == "cone");
+}
+
+//----------------------------------------------------------------------------------------
+void CConeProjectionGeometry3D::toXML(XMLNode* _sNode) const
+{
+	_sNode->addAttribute("type", "cone");
+	_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("DistanceOriginDetector", m_fOriginDetectorDistance);
+	_sNode->addChildNode("DistanceOriginSource", m_fOriginSourceDistance);
+}
+//----------------------------------------------------------------------------------------
+
+CVector3D CConeProjectionGeometry3D::getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex) const
+{
+	float32 fSrcX = -m_fOriginSourceDistance;
+	float32 fSrcY = 0.0f;
+	float32 fSrcZ = 0.0f;
+
+	float32 fDetX = m_fOriginDetectorDistance;
+	float32 fDetY = 0.0f;
+	float32 fDetZ = 0.0f;
+
+	fDetY += indexToDetectorOffsetX(_iDetectorIndex);
+	fDetZ += indexToDetectorOffsetY(_iDetectorIndex);
+
+	float32 angle = m_pfProjectionAngles[_iProjectionIndex];
+
+	#define ROTATE(name,alpha) do { float32 tX = f##name##X * cos(alpha) - f##name##Y * sin(alpha); f##name##Y = f##name##X * sin(alpha) + f##name##Y * cos(alpha); f##name##X = tX; } while(0)
+
+	ROTATE(Src, angle);
+	ROTATE(Det, angle);
+
+	#undef ROTATE
+
+	CVector3D ret(fDetX - fSrcX, fDetY - fSrcY, fDetZ - fDetZ);
+	return ret;
+}
+
+} // end namespace astra