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
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp
2014-2015, CWI, Amsterdam
Contact: astra@astra-toolbox.com
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/>.
-----------------------------------------------------------------------
$Id$
*/
#include "astra/ParallelVecProjectionGeometry2D.h"
#include <cstring>
#include <sstream>
#include <boost/lexical_cast.hpp>
using namespace std;
namespace astra
{
//----------------------------------------------------------------------------------------
// Default constructor. Sets all variables to zero.
CParallelVecProjectionGeometry2D::CParallelVecProjectionGeometry2D()
{
_clear();
m_pProjectionAngles = 0;
}
//----------------------------------------------------------------------------------------
// Constructor.
CParallelVecProjectionGeometry2D::CParallelVecProjectionGeometry2D(int _iProjectionAngleCount,
int _iDetectorCount,
const SParProjection* _pProjectionAngles)
{
this->initialize(_iProjectionAngleCount,
_iDetectorCount,
_pProjectionAngles);
}
//----------------------------------------------------------------------------------------
// Copy Constructor
CParallelVecProjectionGeometry2D::CParallelVecProjectionGeometry2D(const CParallelVecProjectionGeometry2D& _projGeom)
{
_clear();
this->initialize(_projGeom.m_iProjectionAngleCount,
_projGeom.m_iDetectorCount,
_projGeom.m_pProjectionAngles);
}
//----------------------------------------------------------------------------------------
// Destructor.
CParallelVecProjectionGeometry2D::~CParallelVecProjectionGeometry2D()
{
// TODO
delete[] m_pProjectionAngles;
}
//----------------------------------------------------------------------------------------
// Initialization.
bool CParallelVecProjectionGeometry2D::initialize(int _iProjectionAngleCount,
int _iDetectorCount,
const SParProjection* _pProjectionAngles)
{
m_iProjectionAngleCount = _iProjectionAngleCount;
m_iDetectorCount = _iDetectorCount;
m_pProjectionAngles = new SParProjection[m_iProjectionAngleCount];
for (int i = 0; i < m_iProjectionAngleCount; ++i)
m_pProjectionAngles[i] = _pProjectionAngles[i];
// TODO: check?
// success
m_bInitialized = _check();
return m_bInitialized;
}
//----------------------------------------------------------------------------------------
// Initialization with a Config object
bool CParallelVecProjectionGeometry2D::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CProjectionGeometry2D> CC("ParallelVecProjectionGeometry2D", this, _cfg);
// TODO: Fix up class hierarchy... this class doesn't fit very well.
// initialization of parent class
//CProjectionGeometry2D::initialize(_cfg);
// Required: DetectorCount
XMLNode node = _cfg.self.getSingleNode("DetectorCount");
ASTRA_CONFIG_CHECK(node, "ParallelVecProjectionGeometry2D", "No DetectorRowCount tag specified.");
m_iDetectorCount = boost::lexical_cast<int>(node.getContent());
CC.markNodeParsed("DetectorCount");
// Required: Vectors
node = _cfg.self.getSingleNode("Vectors");
ASTRA_CONFIG_CHECK(node, "ParallelVecProjectionGeometry2D", "No Vectors tag specified.");
vector<float32> data = node.getContentNumericalArray();
CC.markNodeParsed("Vectors");
ASTRA_CONFIG_CHECK(data.size() % 6 == 0, "ParallelVecProjectionGeometry2D", "Vectors doesn't consist of 6-tuples.");
m_iProjectionAngleCount = data.size() / 6;
m_pProjectionAngles = new SParProjection[m_iProjectionAngleCount];
for (int i = 0; i < m_iProjectionAngleCount; ++i) {
SParProjection& p = m_pProjectionAngles[i];
p.fRayX = data[6*i + 0];
p.fRayY = data[6*i + 1];
p.fDetUX = data[6*i + 4];
p.fDetUY = data[6*i + 5];
// The backend code currently expects the corner of the detector, while
// the matlab interface supplies the center
p.fDetSX = data[6*i + 2] - 0.5f * m_iDetectorCount * p.fDetUX;
p.fDetSY = data[6*i + 3] - 0.5f * m_iDetectorCount * p.fDetUY;
}
// success
m_bInitialized = _check();
return m_bInitialized;
}
//----------------------------------------------------------------------------------------
// Clone
CProjectionGeometry2D* CParallelVecProjectionGeometry2D::clone()
{
return new CParallelVecProjectionGeometry2D(*this);
}
//----------------------------------------------------------------------------------------
// is equal
bool CParallelVecProjectionGeometry2D::isEqual(CProjectionGeometry2D* _pGeom2) const
{
if (_pGeom2 == NULL) return false;
// try to cast argument to CParallelVecProjectionGeometry2D
CParallelVecProjectionGeometry2D* pGeom2 = dynamic_cast<CParallelVecProjectionGeometry2D*>(_pGeom2);
if (pGeom2 == NULL) return false;
// both objects must be initialized
if (!m_bInitialized || !pGeom2->m_bInitialized) return false;
// check all values
if (m_iProjectionAngleCount != pGeom2->m_iProjectionAngleCount) return false;
if (m_iDetectorCount != pGeom2->m_iDetectorCount) return false;
for (int i = 0; i < m_iProjectionAngleCount; ++i) {
if (memcmp(&m_pProjectionAngles[i], &pGeom2->m_pProjectionAngles[i], sizeof(m_pProjectionAngles[i])) != 0) return false;
}
return true;
}
//----------------------------------------------------------------------------------------
// Is of type
bool CParallelVecProjectionGeometry2D::isOfType(const std::string& _sType)
{
return (_sType == "parallel_vec");
}
//----------------------------------------------------------------------------------------
CVector3D CParallelVecProjectionGeometry2D::getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex /* = 0 */)
{
CVector3D vOutput(0.0f, 0.0f, 0.0f);
// not implemented
ASTRA_ASSERT(false);
return vOutput;
}
//----------------------------------------------------------------------------------------
void CParallelVecProjectionGeometry2D::getRayParams(int _iRow, int _iColumn, float32& _fT, float32& _fTheta) const
{
// not implemented
ASTRA_ASSERT(false);
}
//----------------------------------------------------------------------------------------
bool CParallelVecProjectionGeometry2D::_check()
{
// TODO
return true;
}
//----------------------------------------------------------------------------------------
// Get the configuration object
Config* CParallelVecProjectionGeometry2D::getConfiguration() const
{
Config* cfg = new Config();
cfg->initialize("ProjectionGeometry2D");
cfg->self.addAttribute("type", "parallel_vec");
cfg->self.addChildNode("DetectorCount", getDetectorCount());
std::string vectors = "";
for (int i = 0; i < m_iProjectionAngleCount; ++i) {
SParProjection& p = m_pProjectionAngles[i];
vectors += boost::lexical_cast<string>(p.fRayX) + ",";
vectors += boost::lexical_cast<string>(p.fRayY) + ",";
vectors += boost::lexical_cast<string>(p.fDetSX + 0.5f * m_iDetectorCount * p.fDetUX) + ",";
vectors += boost::lexical_cast<string>(p.fDetSY + 0.5f * m_iDetectorCount * p.fDetUY) + ",";
vectors += boost::lexical_cast<string>(p.fDetUX) + ",";
vectors += boost::lexical_cast<string>(p.fDetUY);
if (i < m_iProjectionAngleCount-1) vectors += ';';
}
cfg->self.addChildNode("Vectors", vectors);
return cfg;
}
//----------------------------------------------------------------------------------------
} // namespace astra
|
