LSSTApplications  17.0+11,17.0+34,17.0+56,17.0+57,17.0+59,17.0+7,17.0-1-g377950a+33,17.0.1-1-g114240f+2,17.0.1-1-g4d4fbc4+28,17.0.1-1-g55520dc+49,17.0.1-1-g5f4ed7e+52,17.0.1-1-g6dd7d69+17,17.0.1-1-g8de6c91+11,17.0.1-1-gb9095d2+7,17.0.1-1-ge9fec5e+5,17.0.1-1-gf4e0155+55,17.0.1-1-gfc65f5f+50,17.0.1-1-gfc6fb1f+20,17.0.1-10-g87f9f3f+1,17.0.1-11-ge9de802+16,17.0.1-16-ga14f7d5c+4,17.0.1-17-gc79d625+1,17.0.1-17-gdae4c4a+8,17.0.1-2-g26618f5+29,17.0.1-2-g54f2ebc+9,17.0.1-2-gf403422+1,17.0.1-20-g2ca2f74+6,17.0.1-23-gf3eadeb7+1,17.0.1-3-g7e86b59+39,17.0.1-3-gb5ca14a,17.0.1-3-gd08d533+40,17.0.1-30-g596af8797,17.0.1-4-g59d126d+4,17.0.1-4-gc69c472+5,17.0.1-6-g5afd9b9+4,17.0.1-7-g35889ee+1,17.0.1-7-gc7c8782+18,17.0.1-9-gc4bbfb2+3,w.2019.22
LSSTDataManagementBasePackage
Observatory.h
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1 // -*- lsst-c++ -*-
2 
3 /*
4  * LSST Data Management System
5  * Copyright 2008-2016 LSST Corporation.
6  *
7  * This product includes software developed by the
8  * LSST Project (http://www.lsst.org/).
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the LSST License Statement and
21  * the GNU General Public License along with this program. If not,
22  * see <http://www.lsstcorp.org/LegalNotices/>.
23  */
24 
25 #if !defined(LSST_AFW_COORD_OBSERVATORY_H)
26 #define LSST_AFW_COORD_OBSERVATORY_H
27 /*
28  * Class to hold observatory/telescope location
29  */
30 
31 #include <iostream>
32 
33 #include "lsst/utils/hashCombine.h"
34 #include "lsst/geom/Angle.h"
35 
36 namespace lsst {
37 namespace afw {
38 namespace coord {
39 
43 class Observatory final {
44 public:
53 
62  Observatory(std::string const& longitude, std::string const& latitude, double const elevation);
63 
64  ~Observatory() noexcept;
65  Observatory(Observatory const&) noexcept;
66  Observatory(Observatory&&) noexcept;
67  Observatory& operator=(Observatory const&) noexcept;
68  Observatory& operator=(Observatory&&) noexcept;
69 
71  void setLongitude(lsst::geom::Angle const longitude);
73  void setLatitude(lsst::geom::Angle const latitude);
75  void setElevation(double const elevation);
76 
78  lsst::geom::Angle getLongitude() const noexcept;
80  lsst::geom::Angle getLatitude() const noexcept;
82  double getElevation() const noexcept { return _elevation; }
83 
85  std::string toString() const;
86 
87  bool operator==(Observatory const& rhs) const noexcept {
88  auto deltaLongitude = (_latitude - rhs.getLatitude()).wrapCtr();
89  auto deltaLatitude = (_longitude - rhs.getLongitude()).wrapCtr();
90  return (deltaLongitude == 0.0 * lsst::geom::degrees) &&
91  (deltaLatitude == 0.0 * lsst::geom::degrees) && ((_elevation - rhs._elevation) == 0.0);
92  }
93  bool operator!=(Observatory const& rhs) const noexcept { return !(*this == rhs); }
94 
96  std::size_t hash_value() const noexcept {
97  // Completely arbitrary seed
98  return utils::hashCombine(17, _latitude.wrapCtr(), _longitude.wrapCtr(), _elevation);
99  }
100 
101 private:
102  lsst::geom::Angle _latitude;
103  lsst::geom::Angle _longitude;
104  double _elevation;
105 };
106 
114 } // namespace coord
115 } // namespace afw
116 } // namespace lsst
117 
118 namespace std {
119 template <>
120 struct hash<lsst::afw::coord::Observatory> {
123  size_t operator()(argument_type const& obj) const noexcept { return obj.hash_value(); }
124 };
125 } // namespace std
126 
127 #endif
bool operator==(Observatory const &rhs) const noexcept
Definition: Observatory.h:87
void setElevation(double const elevation)
set telescope elevation (meters above reference spheroid)
Definition: Observatory.cc:56
table::Key< lsst::geom::Angle > latitude
Definition: VisitInfo.cc:171
std::string toString() const
get string representation
Definition: Observatory.cc:58
Observatory(lsst::geom::Angle const longitude, lsst::geom::Angle const latitude, double const elevation)
Construct an Observatory with longitude and latitude specified as lsst::geom::Angle.
Definition: Observatory.cc:37
double getElevation() const noexcept
get telescope elevation (meters above reference spheroid)
Definition: Observatory.h:82
Hold the location of an observatory.
Definition: Observatory.h:43
STL namespace.
A class representing an angle.
Definition: Angle.h:127
void setLongitude(lsst::geom::Angle const longitude)
set telescope longitude
Definition: Observatory.cc:54
Angle wrapCtr() const noexcept
Wrap this angle to the range [-π, π).
Definition: Angle.h:412
STL class.
lsst::geom::Angle getLatitude() const noexcept
get telescope latitude
Definition: Observatory.cc:50
std::ostream & operator<<(std::ostream &os, Observatory const &obs)
Print an Observatory to the stream.
Definition: Observatory.cc:64
lsst::geom::Angle getLongitude() const noexcept
get telescope longitude (positive values are E of Greenwich)
Definition: Observatory.cc:48
AngleUnit constexpr degrees
constant with units of degrees
Definition: Angle.h:109
A base class for image defects.
table::Key< double > elevation
Definition: VisitInfo.cc:173
bool operator!=(Observatory const &rhs) const noexcept
Definition: Observatory.h:93
std::size_t hash_value() const noexcept
Return a hash of this object.
Definition: Observatory.h:96
table::Key< lsst::geom::Angle > longitude
Definition: VisitInfo.cc:172
Observatory & operator=(Observatory const &) noexcept
std::size_t hashCombine(std::size_t seed) noexcept
Combine hashes.
Definition: hashCombine.h:35
void setLatitude(lsst::geom::Angle const latitude)
set telescope latitude (positive values are E of Greenwich)
Definition: Observatory.cc:52
size_t operator()(argument_type const &obj) const noexcept
Definition: Observatory.h:123
STL class.
std::ostream * os
Definition: Schema.cc:746