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LSST Data Management Base Package
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CameraSys.h
Go to the documentation of this file.
1/*
2 * LSST Data Management System
3 * Copyright 2014 LSST Corporation.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <http://www.lsstcorp.org/LegalNotices/>.
21 */
22
23#if !defined(LSST_AFW_CAMERAGEOM_CAMERASYS_H)
24#define LSST_AFW_CAMERAGEOM_CAMERASYS_H
25
26#include <functional>
27#include <string>
28#include <ostream>
29#include <sstream>
30
31namespace lsst {
32namespace afw {
33namespace cameraGeom {
34
44class CameraSysPrefix final {
45public:
46 explicit CameraSysPrefix(std::string const &sysName
47 )
48 : _sysName(sysName) {}
49
50 ~CameraSysPrefix() noexcept = default;
51 CameraSysPrefix(CameraSysPrefix const &) = default;
52 CameraSysPrefix(CameraSysPrefix &&) noexcept = default;
53 CameraSysPrefix &operator=(CameraSysPrefix const &) = default;
54 CameraSysPrefix &operator=(CameraSysPrefix &&) noexcept = default;
55
59 std::string getSysName() const { return _sysName; };
60
61 bool operator==(CameraSysPrefix const &rhs) const noexcept { return _sysName == rhs.getSysName(); }
62
63 bool operator!=(CameraSysPrefix const &rhs) const noexcept { return !(*this == rhs); }
64
74 std::size_t hash_value() const noexcept;
75
76private:
77 std::string _sysName;
78};
79
83class CameraSys final {
84public:
88 explicit CameraSys(std::string const &sysName,
89 std::string const &detectorName = ""
90 )
91 : _sysName(sysName), _detectorName(detectorName){};
92
96 explicit CameraSys(CameraSysPrefix const &sysPrefix,
97 std::string const &detectorName = ""
98 )
99 : _sysName(sysPrefix.getSysName()), _detectorName(detectorName){};
100
101 ~CameraSys() noexcept = default;
102 CameraSys(CameraSys const &) = default;
103 CameraSys(CameraSys &&) noexcept = default;
104 CameraSys &operator=(CameraSys const &) = default;
105 CameraSys &operator=(CameraSys &&) noexcept = default;
106
107 void swap(CameraSys & other) noexcept {
108 std::swap(_sysName, other._sysName);
109 std::swap(_detectorName, other._detectorName);
110 }
111
115 std::string getSysName() const { return _sysName; };
116
120 std::string getDetectorName() const { return _detectorName; };
121
125 bool hasDetectorName() const noexcept { return !_detectorName.empty(); }
126
127 bool operator==(CameraSys const &rhs) const noexcept {
128 return _sysName == rhs.getSysName() && _detectorName == rhs.getDetectorName();
129 }
130
131 bool operator!=(CameraSys const &rhs) const noexcept { return !(*this == rhs); }
132
133 // less-than operator required for use in std::map
134 bool operator<(CameraSys const &rhs) const noexcept {
135 if (_sysName == rhs.getSysName()) {
136 return _detectorName < rhs.getDetectorName();
137 } else {
138 return _sysName < rhs.getSysName();
139 }
140 }
141
150 size_t hash_value() const noexcept;
151
152private:
153 std::string _sysName;
154 std::string _detectorName;
155};
156
157inline void swap(CameraSys & a, CameraSys & b) {
158 a.swap(b);
159}
160
161
162// *** Standard camera coordinate systems ***
163
174extern CameraSys const FOCAL_PLANE;
175
183extern CameraSys const FIELD_ANGLE;
184
196extern CameraSysPrefix const PIXELS;
197
213extern CameraSysPrefix const TAN_PIXELS;
214
221extern CameraSysPrefix const ACTUAL_PIXELS;
222
223std::ostream &operator<<(std::ostream &os, CameraSysPrefix const &detSysPrefix);
224
225std::ostream &operator<<(std::ostream &os, CameraSys const &cameraSys);
226} // namespace cameraGeom
227} // namespace afw
228} // namespace lsst
229
230namespace std {
231
233 a.swap(b);
234}
235
236template <>
237struct hash<lsst::afw::cameraGeom::CameraSysPrefix> {
240 size_t operator()(lsst::afw::cameraGeom::CameraSysPrefix const &obj) const noexcept {
241 return obj.hash_value();
242 }
243};
244
245template <>
246struct hash<lsst::afw::cameraGeom::CameraSys> {
249 size_t operator()(lsst::afw::cameraGeom::CameraSys const &obj) const noexcept { return obj.hash_value(); }
250};
251} // namespace std
252
253#endif
Camera coordinate system; used as a key in in TransformMap.
Definition CameraSys.h:83
bool operator<(CameraSys const &rhs) const noexcept
Definition CameraSys.h:134
bool hasDetectorName() const noexcept
Does this have a non-blank detector name?
Definition CameraSys.h:125
std::string getSysName() const
Get coordinate system name.
Definition CameraSys.h:115
void swap(CameraSys &other) noexcept
Definition CameraSys.h:107
CameraSys(CameraSysPrefix const &sysPrefix, std::string const &detectorName="")
Construct a CameraSys from a CameraSysPrefix and a detectorName.
Definition CameraSys.h:96
std::string getDetectorName() const
Get detector name, or "" if not a detector-specific coordinate system.
Definition CameraSys.h:120
bool operator!=(CameraSys const &rhs) const noexcept
Definition CameraSys.h:131
bool operator==(CameraSys const &rhs) const noexcept
Definition CameraSys.h:127
CameraSys(std::string const &sysName, std::string const &detectorName="")
Construct a CameraSys from a sysName and a detectorName.
Definition CameraSys.h:88
Camera coordinate system prefix.
Definition CameraSys.h:44
bool operator==(CameraSysPrefix const &rhs) const noexcept
Definition CameraSys.h:61
bool operator!=(CameraSysPrefix const &rhs) const noexcept
Definition CameraSys.h:63
std::size_t hash_value() const noexcept
Hash function for this object.
Definition CameraSys.cc:40
std::string getSysName() const
Get coordinate system name.
Definition CameraSys.h:59
CameraSysPrefix(std::string const &sysName)
Definition CameraSys.h:46
CameraSys const FIELD_ANGLE
Field angle coordinates: Angle of a principal ray relative to the optical axis (x,...
Definition CameraSys.cc:32
CameraSysPrefix const TAN_PIXELS
Tangent-plane pixels on the detector (x, y unbinned pixels)
Definition CameraSys.cc:36
CameraSys const FOCAL_PLANE
Focal plane coordinates: Position on a 2-d planar approximation to the focal plane (x,...
Definition CameraSys.cc:30
CameraSysPrefix const PIXELS
Pixel coordinates: Nominal position on the entry surface of a given detector (x, y unbinned pixels).
Definition CameraSys.cc:34
void swap(CameraSys &a, CameraSys &b)
Definition CameraSys.h:157
std::ostream & operator<<(std::ostream &os, CameraSysPrefix const &detSysPrefix)
Definition CameraSys.cc:47
CameraSysPrefix const ACTUAL_PIXELS
The actual pixels where the photon lands and electrons are generated (x,y unbinned) This takes into a...
Definition CameraSys.cc:38
STL namespace.
lsst::afw::cameraGeom::CameraSys argument_type
Definition CameraSys.h:247
size_t operator()(lsst::afw::cameraGeom::CameraSys const &obj) const noexcept
Definition CameraSys.h:249
lsst::afw::cameraGeom::CameraSysPrefix argument_type
Definition CameraSys.h:238
size_t operator()(lsst::afw::cameraGeom::CameraSysPrefix const &obj) const noexcept
Definition CameraSys.h:240
T swap(T... args)
T swap(T... args)