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authorWillem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be>2013-07-01 22:34:11 +0000
committerwpalenst <WillemJan.Palenstijn@uantwerpen.be>2013-07-01 22:34:11 +0000
commitb2fc6c70434674d74551c3a6c01ffb3233499312 (patch)
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Update version to 1.3
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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/Projector3D.h"
+
+
+namespace astra
+{
+
+//----------------------------------------------------------------------------------------
+// Default constructor
+CProjector3D::CProjector3D() : configCheckData(0)
+{
+ _clear();
+}
+
+//----------------------------------------------------------------------------------------
+// Destructor
+CProjector3D::~CProjector3D()
+{
+ if (m_bIsInitialized) clear();
+}
+
+//----------------------------------------------------------------------------------------
+// Clear for constructors
+void CProjector3D::_clear()
+{
+ m_pProjectionGeometry = NULL;
+ m_pVolumeGeometry = NULL;
+ m_bIsInitialized = false;
+}
+
+//----------------------------------------------------------------------------------------
+// Clear
+void CProjector3D::clear()
+{
+ ASTRA_DELETE(m_pProjectionGeometry);
+ ASTRA_DELETE(m_pVolumeGeometry);
+ m_bIsInitialized = false;
+}
+
+//----------------------------------------------------------------------------------------
+// Check
+bool CProjector3D::_check()
+{
+ // projection geometry
+ ASTRA_CONFIG_CHECK(m_pProjectionGeometry, "Projector3D", "ProjectionGeometry3D not initialized.");
+ ASTRA_CONFIG_CHECK(m_pProjectionGeometry->isInitialized(), "Projector3D", "ProjectionGeometry3D not initialized.");
+
+ // volume geometry
+ ASTRA_CONFIG_CHECK(m_pVolumeGeometry, "Projector3D", "VolumeGeometry3D not initialized.");
+ ASTRA_CONFIG_CHECK(m_pVolumeGeometry->isInitialized(), "Projector3D", "VolumeGeometry3D not initialized.");
+
+ return true;
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize, use a Config object
+bool CProjector3D::initialize(const Config& _cfg)
+{
+ assert(_cfg.self);
+
+ return true;
+}
+
+/*
+bool CProjector3D::initialize(astra::CProjectionGeometry3D *, astra::CVolumeGeometry3D *)
+{
+ ASTRA_ASSERT(false);
+
+ return false;
+}
+*/
+
+//----------------------------------------------------------------------------------------
+// Weights of each detector in a projection angle
+void CProjector3D::computeProjectionRayWeights(int _iProjection, SPixelWeight* _pfWeightedPixels, int* _piRayStoredPixelCount)
+{
+ int iPixelBufferSize = getProjectionWeightsCount(_iProjection);
+
+ int iDetector = 0;
+ for(iDetector = m_pProjectionGeometry->getDetectorTotCount()-1; iDetector >= 0; --iDetector) {
+ int iSliceIndex = iDetector / m_pProjectionGeometry->getDetectorColCount();
+ int iDetectorColIndex = iDetector % m_pProjectionGeometry->getDetectorColCount();
+
+ computeSingleRayWeights(_iProjection, // projector index
+ iSliceIndex, // slice index
+ iDetectorColIndex, // detector index
+ &_pfWeightedPixels[iDetector*iPixelBufferSize], // pixel buffer
+ iPixelBufferSize, // pixel buffer size
+ _piRayStoredPixelCount[iDetector]); // stored pixel count
+ }
+}
+//----------------------------------------------------------------------------------------
+
+} // end namespace