summaryrefslogtreecommitdiffstats
path: root/src/SparseMatrixProjectionGeometry2D.cpp
blob: dae26d492d28c7cebd762c2acc8a11ed21263387 (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
/*
-----------------------------------------------------------------------
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/SparseMatrixProjectionGeometry2D.h"

#include "astra/AstraObjectManager.h"


using namespace std;

namespace astra
{

//----------------------------------------------------------------------------------------
// Default constructor.
CSparseMatrixProjectionGeometry2D::CSparseMatrixProjectionGeometry2D() :
	CProjectionGeometry2D() 
{
	m_pMatrix = 0;
}

//----------------------------------------------------------------------------------------
// Constructor.
CSparseMatrixProjectionGeometry2D::CSparseMatrixProjectionGeometry2D(int _iProjectionAngleCount, 
															 int _iDetectorCount,
															 const CSparseMatrix* _pMatrix)
{
	_clear();
	initialize(_iProjectionAngleCount,
				_iDetectorCount, 
				_pMatrix);
}

//----------------------------------------------------------------------------------------
CSparseMatrixProjectionGeometry2D::CSparseMatrixProjectionGeometry2D(const CSparseMatrixProjectionGeometry2D& _projGeom)
{
	_clear();
	initialize(_projGeom.m_iProjectionAngleCount,
				_projGeom.m_iDetectorCount, 
				_projGeom.m_pMatrix);
}

//----------------------------------------------------------------------------------------

CSparseMatrixProjectionGeometry2D& CSparseMatrixProjectionGeometry2D::operator=(const CSparseMatrixProjectionGeometry2D& _other)
{
	m_bInitialized = _other.m_bInitialized;
	if (_other.m_bInitialized) {
		m_pMatrix = _other.m_pMatrix;
		m_iDetectorCount = _other.m_iDetectorCount;
		m_fDetectorWidth = _other.m_fDetectorWidth;
	}
	return *this;
	
}

//----------------------------------------------------------------------------------------
// Destructor.
CSparseMatrixProjectionGeometry2D::~CSparseMatrixProjectionGeometry2D()
{
	m_pMatrix = 0;
}

//---------------------------------------------------------------------------------------
// Initialize - Config
bool CSparseMatrixProjectionGeometry2D::initialize(const Config& _cfg)
{
	ASTRA_ASSERT(_cfg.self);
	ConfigStackCheck<CProjectionGeometry2D> CC("SparseMatrixProjectionGeometry2D", this, _cfg);	

	// initialization of parent class
	if (!CProjectionGeometry2D::initialize(_cfg))
		return false;

	// get matrix
	XMLNode node = _cfg.self.getSingleNode("MatrixID");
	ASTRA_CONFIG_CHECK(node, "SparseMatrixProjectionGeometry2D", "No MatrixID tag specified.");
	int id = StringUtil::stringToInt(node.getContent(), -1);
	m_pMatrix = CMatrixManager::getSingleton().get(id);
	CC.markNodeParsed("MatrixID");

	// success
	m_bInitialized = _check();
	return m_bInitialized;
}

//----------------------------------------------------------------------------------------
// Initialization.
bool CSparseMatrixProjectionGeometry2D::initialize(int _iProjectionAngleCount, 
											   int _iDetectorCount, 
											   const CSparseMatrix* _pMatrix)
{
	if (m_bInitialized) {
		clear();
	}

	m_iProjectionAngleCount = _iProjectionAngleCount;
	m_iDetectorCount = _iDetectorCount;

	// FIXME: We should probably require these for consistency?
	m_fDetectorWidth = 1.0f;
	m_pfProjectionAngles = new float32[m_iProjectionAngleCount];
	for (int i = 0; i < m_iProjectionAngleCount; ++i)
		m_pfProjectionAngles[i] = 0.0f;

	m_pMatrix = _pMatrix;

	// success
	m_bInitialized = _check();
	return m_bInitialized;
}

//----------------------------------------------------------------------------------------
// Check.
bool CSparseMatrixProjectionGeometry2D::_check()
{
	// check base class
	ASTRA_CONFIG_CHECK(CProjectionGeometry2D::_check(), "SparseMatrixProjectionGeometry2D", "Error in ProjectionGeometry2D initialization");

	ASTRA_CONFIG_CHECK(m_pMatrix, "SparseMatrixProjectionGeometry2D", "No matrix specified");

	ASTRA_CONFIG_CHECK(m_pMatrix->m_iHeight == (unsigned int)(m_iProjectionAngleCount * m_iDetectorCount), "SparseMatrixProjectionGeometry2D", "Matrix height doesn't match projection geometry");

	return true;
}


//----------------------------------------------------------------------------------------
// Clone
CProjectionGeometry2D* CSparseMatrixProjectionGeometry2D::clone()
{
	return new CSparseMatrixProjectionGeometry2D(*this);
}

//----------------------------------------------------------------------------------------
// is equal
bool CSparseMatrixProjectionGeometry2D::isEqual(CProjectionGeometry2D* _pGeom2) const
{
	if (_pGeom2 == NULL) return false;

	// try to cast argument to CSparseMatrixProjectionGeometry2D
	CSparseMatrixProjectionGeometry2D* pGeom2 = dynamic_cast<CSparseMatrixProjectionGeometry2D*>(_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;
	if (m_fDetectorWidth != pGeom2->m_fDetectorWidth) return false;

	// Maybe check equality of matrices by element?
	if (m_pMatrix != pGeom2->m_pMatrix) return false;	

	return true;
}

//----------------------------------------------------------------------------------------
// is of type
bool CSparseMatrixProjectionGeometry2D::isOfType(const std::string& _sType)
{
	 return (_sType == "sparse_matrix");
}
//----------------------------------------------------------------------------------------
// Get the configuration object
Config* CSparseMatrixProjectionGeometry2D::getConfiguration() const 
{
	Config* cfg = new Config();
	cfg->initialize("ProjectionGeometry2D");
	cfg->self.addAttribute("type", "sparse matrix");
	cfg->self.addChildNode("DetectorCount", getDetectorCount());
	cfg->self.addChildNode("DetectorWidth", getDetectorWidth());
	cfg->self.addChildNode("ProjectionAngles", m_pfProjectionAngles, m_iProjectionAngleCount);
	cfg->self.addChildNode("MatrixID", CMatrixManager::getSingleton().getIndex(m_pMatrix));
	return cfg;
}

//----------------------------------------------------------------------------------------
CVector3D CSparseMatrixProjectionGeometry2D::getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex)
{
	CVector3D vOutput(0.0f, 0.0f, 0.0f);

	// not implemented, yet
	ASTRA_ASSERT(false);

	return vOutput;
}

} // end namespace astra