summaryrefslogtreecommitdiffstats
path: root/include/astra/Float32ProjectionData3D.h
blob: 329c9a43ce3732b308b291323a4cfb58dcc61063 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
/*
-----------------------------------------------------------------------
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