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
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2021, imec Vision Lab, University of Antwerp
2014-2021, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
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/>.
-----------------------------------------------------------------------
*/
#include "astra/ProjectionGeometry3D.h"
using namespace std;
namespace astra
{
//----------------------------------------------------------------------------------------
// Check all variable values.
bool CProjectionGeometry3D::_check()
{
ASTRA_CONFIG_CHECK(m_iDetectorRowCount > 0, "ProjectionGeometry3D", "DetectorRowCount should be positive.");
ASTRA_CONFIG_CHECK(m_iDetectorColCount > 0, "ProjectionGeometry3D", "DetectorColCount should be positive.");
ASTRA_CONFIG_CHECK(m_fDetectorSpacingX > 0.0f, "ProjectionGeometry3D", "m_fDetectorSpacingX should be positive.");
ASTRA_CONFIG_CHECK(m_fDetectorSpacingY > 0.0f, "ProjectionGeometry3D", "m_fDetectorSpacingY should be positive.");
ASTRA_CONFIG_CHECK(m_iProjectionAngleCount > 0, "ProjectionGeometry3D", "ProjectionAngleCount should be positive.");
ASTRA_CONFIG_CHECK(m_pfProjectionAngles != NULL, "ProjectionGeometry3D", "ProjectionAngles not initialized");
/*
// autofix: angles in [0,2pi[
for (int i = 0; i < m_iProjectionAngleCount; i++) {
while (2*PI <= m_pfProjectionAngles[i]) m_pfProjectionAngles[i] -= 2*PI;
while (m_pfProjectionAngles[i] < 0) m_pfProjectionAngles[i] += 2*PI;
}
*/
// succes
return true;
}
//----------------------------------------------------------------------------------------
// Default constructor.
CProjectionGeometry3D::CProjectionGeometry3D() : configCheckData(0)
{
_clear();
}
//----------------------------------------------------------------------------------------
// Constructor.
CProjectionGeometry3D::CProjectionGeometry3D(int _iAngleCount,
int _iDetectorRowCount,
int _iDetectorColCount,
float32 _fDetectorSpacingX,
float32 _fDetectorSpacingY,
const float32 *_pfProjectionAngles) : configCheckData(0)
{
_clear();
_initialize(_iAngleCount,
_iDetectorRowCount,
_iDetectorColCount,
_fDetectorSpacingX,
_fDetectorSpacingY,
_pfProjectionAngles);
}
//----------------------------------------------------------------------------------------
// Copy constructor.
CProjectionGeometry3D::CProjectionGeometry3D(const CProjectionGeometry3D& _projGeom)
{
_clear();
_initialize(_projGeom.m_iProjectionAngleCount,
_projGeom.m_iDetectorRowCount,
_projGeom.m_iDetectorColCount,
_projGeom.m_fDetectorSpacingX,
_projGeom.m_fDetectorSpacingY,
_projGeom.m_pfProjectionAngles);
}
//----------------------------------------------------------------------------------------
// Destructor.
CProjectionGeometry3D::~CProjectionGeometry3D()
{
if (m_bInitialized) {
clear();
}
}
//----------------------------------------------------------------------------------------
// Clear all member variables, setting all numeric variables to 0 and all pointers to NULL.
// Should only be used by constructors. Otherwise use the clear() function.
void CProjectionGeometry3D::_clear()
{
m_iProjectionAngleCount = 0;
m_iDetectorRowCount = 0;
m_iDetectorColCount = 0;
m_fDetectorSpacingX = 0.0f;
m_fDetectorSpacingY = 0.0f;
m_pfProjectionAngles = NULL;
m_bInitialized = false;
}
//----------------------------------------------------------------------------------------
// Clear all member variables, setting all numeric variables to 0 and all pointers to NULL.
void CProjectionGeometry3D::clear()
{
m_iProjectionAngleCount = 0;
m_iDetectorRowCount = 0;
m_iDetectorColCount = 0;
m_fDetectorSpacingX = 0.0f;
m_fDetectorSpacingY = 0.0f;
if (m_pfProjectionAngles != NULL) {
delete [] m_pfProjectionAngles;
}
m_pfProjectionAngles = NULL;
m_bInitialized = false;
}
//----------------------------------------------------------------------------------------
// Initialization with a Config object
bool CProjectionGeometry3D::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CProjectionGeometry3D> CC("ProjectionGeometry3D", this, _cfg);
if (m_bInitialized) {
clear();
}
ASTRA_ASSERT(_cfg.self);
// Required: DetectorRowCount
XMLNode node = _cfg.self.getSingleNode("DetectorRowCount");
ASTRA_CONFIG_CHECK(node, "ProjectionGeometry3D", "No DetectorRowCount tag specified.");
try {
m_iDetectorRowCount = node.getContentInt();
} catch (const StringUtil::bad_cast &e) {
ASTRA_CONFIG_CHECK(false, "ProjectionGeometry3D", "DetectorRowCount must be an integer.");
}
CC.markNodeParsed("DetectorRowCount");
// Required: DetectorCount
node = _cfg.self.getSingleNode("DetectorColCount");
ASTRA_CONFIG_CHECK(node, "ProjectionGeometry3D", "No DetectorColCount tag specified.");
try {
m_iDetectorColCount = node.getContentInt();
} catch (const StringUtil::bad_cast &e) {
ASTRA_CONFIG_CHECK(false, "ProjectionGeometry3D", "DetectorColCount must be an integer.");
}
m_iDetectorTotCount = m_iDetectorRowCount * m_iDetectorColCount;
CC.markNodeParsed("DetectorColCount");
if (!initializeAngles(_cfg))
return false;
return true;
}
bool CProjectionGeometry3D::initializeAngles(const Config& _cfg)
{
ConfigStackCheck<CProjectionGeometry3D> CC("ProjectionGeometry3D", this, _cfg);
// Required: DetectorWidth
XMLNode node = _cfg.self.getSingleNode("DetectorSpacingX");
ASTRA_CONFIG_CHECK(node, "ProjectionGeometry3D", "No DetectorSpacingX tag specified.");
try {
m_fDetectorSpacingX = node.getContentNumerical();
} catch (const StringUtil::bad_cast &e) {
ASTRA_CONFIG_CHECK(false, "ProjectionGeometry3D", "DetectorSpacingX must be numerical.");
}
CC.markNodeParsed("DetectorSpacingX");
// Required: DetectorHeight
node = _cfg.self.getSingleNode("DetectorSpacingY");
ASTRA_CONFIG_CHECK(node, "ProjectionGeometry3D", "No DetectorSpacingY tag specified.");
try {
m_fDetectorSpacingY = node.getContentNumerical();
} catch (const StringUtil::bad_cast &e) {
ASTRA_CONFIG_CHECK(false, "ProjectionGeometry3D", "DetectorSpacingY must be numerical.");
}
CC.markNodeParsed("DetectorSpacingY");
// Required: ProjectionAngles
node = _cfg.self.getSingleNode("ProjectionAngles");
ASTRA_CONFIG_CHECK(node, "ProjectionGeometry3D", "No ProjectionAngles tag specified.");
vector<float32> angles;
try {
angles = node.getContentNumericalArray();
} catch (const StringUtil::bad_cast &e) {
ASTRA_CONFIG_CHECK(false, "ProjectionGeometry3D", "ProjectionAngles must be a numerical vector.");
}
m_iProjectionAngleCount = angles.size();
ASTRA_CONFIG_CHECK(m_iProjectionAngleCount > 0, "ProjectionGeometry3D", "Not enough ProjectionAngles specified.");
m_pfProjectionAngles = new float32[m_iProjectionAngleCount];
for (int i = 0; i < m_iProjectionAngleCount; i++) {
m_pfProjectionAngles[i] = angles[i];
}
CC.markNodeParsed("ProjectionAngles");
return true;
}
//----------------------------------------------------------------------------------------
// Initialization.
bool CProjectionGeometry3D::_initialize(int _iProjectionAngleCount,
int _iDetectorRowCount,
int _iDetectorColCount,
float32 _fDetectorSpacingX,
float32 _fDetectorSpacingY,
const float32 *_pfProjectionAngles)
{
if (m_bInitialized) {
clear();
}
// copy parameters
m_iProjectionAngleCount = _iProjectionAngleCount;
m_iDetectorRowCount = _iDetectorRowCount;
m_iDetectorColCount = _iDetectorColCount;
m_iDetectorTotCount = _iDetectorRowCount * _iDetectorColCount;
m_fDetectorSpacingX = _fDetectorSpacingX;
m_fDetectorSpacingY = _fDetectorSpacingY;
m_pfProjectionAngles = new float32[m_iProjectionAngleCount];
for (int i = 0; i < m_iProjectionAngleCount; i++) {
m_pfProjectionAngles[i] = _pfProjectionAngles[i];
}
m_iDetectorTotCount = m_iProjectionAngleCount * m_iDetectorRowCount * m_iDetectorColCount;
return true;
}
} // namespace astra
|
