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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/>.
-----------------------------------------------------------------------
$Id$
*/
#ifndef _INC_ASTRA_FLOAT32PROJECTIONDATA3D
#define _INC_ASTRA_FLOAT32PROJECTIONDATA3D
#include "Float32Data3D.h"
#include "Float32ProjectionData2D.h"
#include "Float32VolumeData2D.h"
#include "ProjectionGeometry3D.h"
namespace astra {
/**
* This asbtract class represents three-dimensional Projection Data.
*/
class _AstraExport CFloat32ProjectionData3D : public virtual CFloat32Data3D
{
protected:
/** The projection geometry for this data.
*/
CProjectionGeometry3D* m_pGeometry;
public:
/** Default constructor.
*/
CFloat32ProjectionData3D();
/** Destructor.
*/
virtual ~CFloat32ProjectionData3D();
/** Get the number of detectors in one detector column.
*
* @return number of detectors
*/
int getDetectorRowCount() const;
/** Get the number of detectors in one detector row.
*
* @return number of detectors
*/
int getDetectorColCount() const;
/** Get the total number of detectors.
*
* @return number of detectors
*/
int getDetectorTotCount() const;
/** Get the number of projection angles.
*
* @return number of projection angles
*/
int getAngleCount() const;
/** Which type is this class?
*
* @return DataType: ASTRA_DATATYPE_FLOAT32_PROJECTION
*/
virtual CFloat32Data3D::EDataType getType() const;
/** Fetch a COPY of a projection of the data. Note that if you update the 2D data slice, the data in the
* 3d data object will remain unaltered. To copy the data back in the 3D-volume you must return the data by calling 'returnProjection'.
*
* @param _iProjectionNr projection number
* @return Volume data object
*/
virtual CFloat32VolumeData2D* fetchProjection(int _iProjectionNr) const = 0;
/** Return a projection slice to the 3d data. The data will be deleted. If the slice was fetched with
* 'fetchProjection', the data will be stored first.
*
* @param _iProjectionNr projection number
* @param _pProjection 2D Projection Data
*/
virtual void returnProjection(int _iProjectionNr, CFloat32VolumeData2D* _pProjection) = 0;
/** Fetch a COPY of a sinogram slice of the data. Note that if you update the 2D data slice, the data in the
* 3d data object will remain unaltered. To copy the data back in the 3D-volume you must return the data by calling 'returnSlice'.
*
* @param _iSliceNr slice number
* @return Sinogram data object
*/
virtual CFloat32ProjectionData2D* fetchSinogram(int _iSliceNr) const = 0;
/** Return a sinogram slice to the 3d data. The data will be stored in the 3D Data object.
*
* @param _iSliceNr slice number
* @param _pSinogram2D 2D Sinogram Object.
*/
virtual void returnSinogram(int _iSliceNr, CFloat32ProjectionData2D* _pSinogram2D) = 0;
/** This SLOW function returns a detector value stored a specific index in the array.
* Reading values in this way might cause a lot of unnecessar__y memory operations, don't
* use it in time-critical code.
*
* @param _iIndex Index in the array if the data were stored completely in main memory
* @return The value the location specified by _iIndex
*/
virtual float32 getDetectorValue(int _iIndex) = 0;
/** This SLOW function stores a detector value at a specific index in the array.
* Writing values in this way might cause a lot of unnecessary memory operations, don't
* use it in time-critical code.
*
* @param _iIndex Index in the array if the data were stored completely in main memory
* @param _fValue The value to be stored at the location specified by _iIndex
*/
virtual void setDetectorValue(int _iIndex, float32 _fValue) = 0;
/**
* Overloaded Operator: data += data (pointwise)
*
* @param _data r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator+=(const CFloat32ProjectionData3D& _data);
/**
* Overloaded Operator: data -= data (pointwise)
*
* @param _data r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator-=(const CFloat32ProjectionData3D& _data);
/**
* Overloaded Operator: data *= data (pointwise)
*
* @param _data r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator*=(const CFloat32ProjectionData3D& _data);
/**
* Overloaded Operator: data *= scalar (pointwise)
*
* @param _fScalar r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator*=(const float32& _fScalar);
/**
* Overloaded Operator: data /= scalar (pointwise)
*
* @param _fScalar r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator/=(const float32& _fScalar);
/**
* Overloaded Operator: data += scalar (pointwise)
*
* @param _fScalar r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator+=(const float32& _fScalar);
/**
* Overloaded Operator: data -= scalar (pointwise)
*
* @param _fScalar r-value
* @return l-value
*/
CFloat32ProjectionData3D& operator-=(const float32& _fScalar);
/** Get the projection geometry.
*
* @return pointer to projection geometry.
*/
virtual CProjectionGeometry3D* getGeometry() const;
/** Change the projection geometry.
* Note that this can't change the dimensions of the data.
*/
virtual void changeGeometry(CProjectionGeometry3D* pGeometry);
};
//----------------------------------------------------------------------------------------
// Inline member functions
//----------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------
// Get the number of detectors.
inline int CFloat32ProjectionData3D::getDetectorColCount() const
{
ASTRA_ASSERT(m_bInitialized);
return m_iWidth;
}
//----------------------------------------------------------------------------------------
// Get the number of detectors.
inline int CFloat32ProjectionData3D::getDetectorRowCount() const
{
ASTRA_ASSERT(m_bInitialized);
return m_iDepth;
}
//----------------------------------------------------------------------------------------
// Get the number of detectors.
inline int CFloat32ProjectionData3D::getDetectorTotCount() const
{
ASTRA_ASSERT(m_bInitialized);
return m_iWidth * m_iDepth;
}
//----------------------------------------------------------------------------------------
// Get the number of projection angles.
inline int CFloat32ProjectionData3D::getAngleCount() const
{
ASTRA_ASSERT(m_bInitialized);
return m_iHeight;
}
//----------------------------------------------------------------------------------------
// Get type
inline CFloat32Data3D::EDataType CFloat32ProjectionData3D::getType() const
{
return PROJECTION;
}
//----------------------------------------------------------------------------------------
// Get the projection geometry.
inline CProjectionGeometry3D* CFloat32ProjectionData3D::getGeometry() const
{
ASTRA_ASSERT(m_bInitialized);
return m_pGeometry;
}
//----------------------------------------------------------------------------------------
} // end namespace astra
#endif // _INC_ASTRA_FLOAT32PROJECTIONDATA3D
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