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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
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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/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+#ifndef _INC_ASTRA_FLOAT32PROJECTIONDATA2D
+#define _INC_ASTRA_FLOAT32PROJECTIONDATA2D
+
+#include "Float32Data2D.h"
+#include "ProjectionGeometry2D.h"
+
+namespace astra {
+
+/**
+ * This class represents two-dimensional Projection Data.
+ *
+ * It contains member functions for accessing this data and for performing
+ * elementary computations on the data.
+ * The data block is "owned" by the class, meaning that the class is
+ * responsible for deallocation of the memory involved.
+ *
+ * The projection data is stored as a series of consecutive rows, where
+ * each row contains the data for a single projection.
+ */
+class _AstraExport CFloat32ProjectionData2D : public CFloat32Data2D {
+
+public:
+
+ /**
+ * Default constructor. Sets all numeric member variables to 0 and all pointer member variables to NULL.
+ *
+ * If an object is constructed using this default constructor, it must always be followed by a call
+ * to one of the init() methods before the object can be used. Any use before calling init() is not allowed,
+ * except calling the member function isInitialized().
+ *
+ */
+ CFloat32ProjectionData2D();
+
+ /**
+ * Constructor. Create an instance of the CFloat32ProjectionData2D class without initializing the data.
+ *
+ * Memory is allocated for the data block. The allocated memory is not cleared and
+ * its contents after construction is undefined. Construction may be followed by a
+ * call to copyData() to fill the memory block.
+ * The size of the data is determined by the specified projection geometry object.
+ *
+ * @param _pGeometry Projection Geometry object. This object will be HARDCOPIED into this class.
+ */
+ CFloat32ProjectionData2D(CProjectionGeometry2D* _pGeometry);
+
+ /**
+ * Constructor. Create an instance of the CFloat32ProjectionData2D class with initialization of the data.
+ *
+ * Creates an instance of the CFloat32ProjectionData2D class. Memory
+ * is allocated for the data block and the contents of the memory pointed to by
+ * _pfData is copied into the allocated memory.
+ * The size of the data is determined by the specified projection geometry object.
+ *
+ * @param _pGeometry Projection Geometry object. This object will be HARDCOPIED into this class.
+ * @param _pfData pointer to a one-dimensional float32 data block
+ */
+ CFloat32ProjectionData2D(CProjectionGeometry2D* _pGeometry, float32* _pfData);
+
+ /**
+ * Constructor. Create an instance of the CFloat32ProjectionData2D class with initialization of the data.
+ *
+ * Creates an instance of the CFloat32ProjectionData2D class. Memory
+ * is allocated for the data block and the contents of the memory pointed to by
+ * _pfData is copied into the allocated memory.
+ * The size of the data is determined by the specified projection geometry object.
+ *
+ * @param _pGeometry Projection Geometry object. This object will be HARDCOPIED into this class.
+ * @param _fScalar scalar value to be put at each index.
+ */
+ CFloat32ProjectionData2D(CProjectionGeometry2D* _pGeometry, float32 _fScalar);
+
+ /**
+ * Copy constructor
+ */
+ CFloat32ProjectionData2D(const CFloat32ProjectionData2D& _other);
+
+ /**
+ * Assignment operator
+ */
+ CFloat32ProjectionData2D& operator=(const CFloat32ProjectionData2D& _other);
+
+ /**
+ * Destructor.
+ */
+ virtual ~CFloat32ProjectionData2D();
+
+ /** Initialization. Initializes an instance of the CFloat32ProjectionData2D class, without filling the data block.
+ *
+ * Initializes an instance of the CFloat32Data2D class. Memory is allocated for the
+ * data block. The allocated memory is not cleared and its contents after
+ * construction is undefined. Initialization may be followed by a call to
+ * copyData() to fill the memory block. If the object has been initialized before, the
+ * object is reinitialized and memory is freed and reallocated if necessary.
+ *
+ * @param _pGeometry Projection Geometry of the data. This object will be HARDCOPIED into this class.
+ * @return Initialization of the base class successfull.
+ */
+ bool initialize(CProjectionGeometry2D* _pGeometry);
+
+ /** Initialization. Initializes an instance of the CFloat32Data2D class with initialization of the data block.
+ *
+ * Initializes an instance of the CFloat32Data2D class. Memory
+ * is allocated for the data block and the contents of the memory pointed to by
+ * _pfData is copied into the allocated memory. If the object has been initialized before, the
+ * object is reinitialized and memory is freed and reallocated if necessary.
+ *
+ * @param _pGeometry Projection Geometry of the data. This object will be HARDCOPIED into this class.
+ * @param _pfData pointer to a one-dimensional float32 data block
+ */
+ bool initialize(CProjectionGeometry2D* _pGeometry, const float32* _pfData);
+
+ /** Initialization. Initializes an instance of the CFloat32Data2D class with initialization of the data block.
+ *
+ * Initializes an instance of the CFloat32Data2D class. Memory
+ * is allocated for the data block and the contents of the memory pointed to by
+ * _pfData is copied into the allocated memory. If the object has been initialized before, the
+ * object is reinitialized and memory is freed and reallocated if necessary.
+ *
+ * @param _pGeometry Projection Geometry of the data. This object will be HARDCOPIED into this class.
+ * @param _fScalar scalar value to be put at each index.
+ */
+ bool initialize(CProjectionGeometry2D* _pGeometry, float32 _fScalar);
+
+ /** Get the number of detectors.
+ *
+ * @return number of detectors
+ */
+ int getDetectorCount() const;
+
+ /** Get the number of projection angles.
+ *
+ * @return number of projection angles
+ */
+ int getAngleCount() const;
+
+ /** Get a pointer to the data of a single projection angle.
+ *
+ * The data memory is still "owned" by the
+ * CFloat32ProjectionData2D instance; this memory may NEVER be freed by the
+ * caller of this function. If changes are made to this data, the
+ * function updateStatistics() should be called after completion of
+ * all changes.
+ *
+ * @return pointer to the data
+ */
+ float32* getSingleProjectionData(int _iAngleIndex);
+
+ /** Get a const pointer to the data of a single projection angle.
+ *
+ * The data memory is still "owned" by the
+ * CFloat32ProjectionData2D instance; this memory may NEVER be freed by the
+ * caller of this function.
+ *
+ * @return pointer to the data
+ */
+ const float32* getSingleProjectionDataConst(int _iAngleIndex) const;
+
+ /** Which type is this class?
+ *
+ * @return DataType: PROJECTION
+ */
+ virtual EDataType getType() const;
+
+ /** Get the projection geometry.
+ *
+ * @return pointer to projection geometry.
+ */
+ virtual CProjectionGeometry2D* getGeometry() const;
+
+ /** Change the projection geometry.
+ * Note that this can't change the dimensions of the data.
+ */
+ virtual void changeGeometry(CProjectionGeometry2D* pGeometry);
+
+protected:
+
+ /** The projection geometry for this data.
+ */
+ CProjectionGeometry2D* m_pGeometry;
+
+};
+//----------------------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------------------
+// Get the number of detectors.
+inline int CFloat32ProjectionData2D::getDetectorCount() const
+{
+ ASTRA_ASSERT(m_bInitialized);
+ return m_iWidth;
+}
+
+//----------------------------------------------------------------------------------------
+// Get the number of projection angles.
+inline int CFloat32ProjectionData2D::getAngleCount() const
+{
+ ASTRA_ASSERT(m_bInitialized);
+ return m_iHeight;
+}
+
+//----------------------------------------------------------------------------------------
+// Get the projection geometry.
+inline CProjectionGeometry2D* CFloat32ProjectionData2D::getGeometry() const
+{
+ ASTRA_ASSERT(m_bInitialized);
+ return m_pGeometry;
+}
+
+//----------------------------------------------------------------------------------------
+// Get type.
+inline CFloat32Data2D::EDataType CFloat32ProjectionData2D::getType() const
+{
+ return PROJECTION;
+}
+//----------------------------------------------------------------------------------------
+
+} // end namespace astra
+
+#endif // _INC_ASTRA_FLOAT32PROJECTIONDATA2D