lsst.sphgeom  22.0.0+01bcf6a671
LonLat.h
Go to the documentation of this file.
1 /*
2  * LSST Data Management System
3  * Copyright 2014-2015 AURA/LSST.
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 <https://www.lsstcorp.org/LegalNotices/>.
21  */
22 
23 #ifndef LSST_SPHGEOM_LONLAT_H_
24 #define LSST_SPHGEOM_LONLAT_H_
25 
28 
29 #include <iosfwd>
30 #include <stdexcept>
31 
32 #include "NormalizedAngle.h"
33 
34 
35 namespace lsst{
36 namespace sphgeom {
37 
38 class Vector3d;
39 
48 class LonLat {
49 public:
50  static LonLat fromDegrees(double lon, double lat) {
51  return LonLat(NormalizedAngle::fromDegrees(lon),
52  Angle::fromDegrees(lat));
53  }
54 
55  static LonLat fromRadians(double lon, double lat) {
56  return LonLat(NormalizedAngle::fromRadians(lon),
57  Angle::fromRadians(lat));
58  }
59 
62  static Angle latitudeOf(Vector3d const & v);
63 
66  static NormalizedAngle longitudeOf(Vector3d const & v);
67 
70  LonLat() {}
71 
74  LonLat(NormalizedAngle lon, Angle lat);
75 
78  LonLat(Vector3d const & v);
79 
80  bool operator==(LonLat const & p) const {
81  return _lon == p._lon && _lat == p._lat;
82  }
83 
84  bool operator!=(LonLat const & p) const {
85  return _lon != p._lon || _lat != p._lat;
86  }
87 
88  NormalizedAngle getLon() const { return _lon; }
89 
90  Angle getLat() const { return _lat; }
91 
92 private:
93  void _enforceInvariants();
94 
95  NormalizedAngle _lon;
96  Angle _lat;
97 };
98 
99 std::ostream & operator<<(std::ostream &, LonLat const &);
100 
101 }} // namespace lsst::sphgeom
102 
103 #endif // LSST_SPHGEOM_LONLAT_H_
This file declares a class for representing normalized angles.
Definition: Angle.h:43
Definition: LonLat.h:48
static Angle latitudeOf(Vector3d const &v)
Definition: LonLat.cc:37
LonLat()
Definition: LonLat.h:70
static NormalizedAngle longitudeOf(Vector3d const &v)
Definition: LonLat.cc:49
Definition: NormalizedAngle.h:41
Vector3d is a vector in ℝ³ with components stored in double precision.
Definition: Vector3d.h:44