LSST Applications  21.0.0-147-g0e635eb1+1acddb5be5,22.0.0+052faf71bd,22.0.0+1ea9a8b2b2,22.0.0+6312710a6c,22.0.0+729191ecac,22.0.0+7589c3a021,22.0.0+9f079a9461,22.0.1-1-g7d6de66+b8044ec9de,22.0.1-1-g87000a6+536b1ee016,22.0.1-1-g8e32f31+6312710a6c,22.0.1-10-gd060f87+016f7cdc03,22.0.1-12-g9c3108e+df145f6f68,22.0.1-16-g314fa6d+c825727ab8,22.0.1-19-g93a5c75+d23f2fb6d8,22.0.1-19-gb93eaa13+aab3ef7709,22.0.1-2-g8ef0a89+b8044ec9de,22.0.1-2-g92698f7+9f079a9461,22.0.1-2-ga9b0f51+052faf71bd,22.0.1-2-gac51dbf+052faf71bd,22.0.1-2-gb66926d+6312710a6c,22.0.1-2-gcb770ba+09e3807989,22.0.1-20-g32debb5+b8044ec9de,22.0.1-23-gc2439a9a+fb0756638e,22.0.1-3-g496fd5d+09117f784f,22.0.1-3-g59f966b+1e6ba2c031,22.0.1-3-g849a1b8+f8b568069f,22.0.1-3-gaaec9c0+c5c846a8b1,22.0.1-32-g5ddfab5d3+60ce4897b0,22.0.1-4-g037fbe1+64e601228d,22.0.1-4-g8623105+b8044ec9de,22.0.1-5-g096abc9+d18c45d440,22.0.1-5-g15c806e+57f5c03693,22.0.1-7-gba73697+57f5c03693,master-g6e05de7fdc+c1283a92b8,master-g72cdda8301+729191ecac,w.2021.39
LSST Data Management Base Package
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) {
52  Angle::fromDegrees(lat));
53  }
54 
55  static LonLat fromRadians(double lon, double lat) {
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.
Angle represents an angle in radians.
Definition: Angle.h:43
static Angle fromDegrees(double a)
Definition: Angle.h:49
static Angle fromRadians(double a)
Definition: Angle.h:51
LonLat represents a spherical coordinate (longitude/latitude angle) pair.
Definition: LonLat.h:48
static LonLat fromRadians(double lon, double lat)
Definition: LonLat.h:55
static LonLat fromDegrees(double lon, double lat)
Definition: LonLat.h:50
static Angle latitudeOf(Vector3d const &v)
latitudeOf returns the latitude of the point on the unit sphere corresponding to the direction of v.
Definition: LonLat.cc:37
LonLat()
This constructor creates the point with longitude and latitude angle equal to zero.
Definition: LonLat.h:70
Angle getLat() const
Definition: LonLat.h:90
bool operator==(LonLat const &p) const
Definition: LonLat.h:80
NormalizedAngle getLon() const
Definition: LonLat.h:88
static NormalizedAngle longitudeOf(Vector3d const &v)
longitudeOf returns the longitude of the point on the unit sphere corresponding to the direction of v...
Definition: LonLat.cc:49
bool operator!=(LonLat const &p) const
Definition: LonLat.h:84
NormalizedAngle is an angle that lies in the range [0, 2π), with one exception - a NormalizedAngle ca...
static NormalizedAngle fromRadians(double a)
static NormalizedAngle fromDegrees(double a)
Vector3d is a vector in ℝ³ with components stored in double precision.
Definition: Vector3d.h:44
std::ostream & operator<<(std::ostream &, Angle const &)
Definition: Angle.cc:34
A base class for image defects.