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LSST Data Management Base Package
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LonLat.h
Go to the documentation of this file.
1/*
2 * This file is part of sphgeom.
3 *
4 * Developed for the LSST Data Management System.
5 * This product includes software developed by the LSST Project
6 * (http://www.lsst.org).
7 * See the COPYRIGHT file at the top-level directory of this distribution
8 * for details of code ownership.
9 *
10 * This software is dual licensed under the GNU General Public License and also
11 * under a 3-clause BSD license. Recipients may choose which of these licenses
12 * to use; please see the files gpl-3.0.txt and/or bsd_license.txt,
13 * respectively. If you choose the GPL option then the following text applies
14 * (but note that there is still no warranty even if you opt for BSD instead):
15 *
16 * This program is free software: you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation, either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 */
29
30#ifndef LSST_SPHGEOM_LONLAT_H_
31#define LSST_SPHGEOM_LONLAT_H_
32
35
36#include <iosfwd>
37#include <stdexcept>
38
39#include "NormalizedAngle.h"
40
41
42namespace lsst{
43namespace sphgeom {
44
45class Vector3d;
46
55class LonLat {
56public:
57 static LonLat fromDegrees(double lon, double lat) {
60 }
61
62 static LonLat fromRadians(double lon, double lat) {
65 }
66
69 static Angle latitudeOf(Vector3d const & v);
70
73 static NormalizedAngle longitudeOf(Vector3d const & v);
74
77 LonLat() {}
78
82
85 LonLat(Vector3d const & v);
86
87 bool operator==(LonLat const & p) const {
88 return _lon == p._lon && _lat == p._lat;
89 }
90
91 bool operator!=(LonLat const & p) const {
92 return _lon != p._lon || _lat != p._lat;
93 }
94
95 NormalizedAngle getLon() const { return _lon; }
96
97 Angle getLat() const { return _lat; }
98
99private:
100 void _enforceInvariants();
101
102 NormalizedAngle _lon;
103 Angle _lat;
104};
105
106std::ostream & operator<<(std::ostream &, LonLat const &);
107
108}} // namespace lsst::sphgeom
109
110#endif // LSST_SPHGEOM_LONLAT_H_
This file declares a class for representing normalized angles.
Angle represents an angle in radians.
Definition Angle.h:50
static Angle fromDegrees(double a)
Definition Angle.h:56
static Angle fromRadians(double a)
Definition Angle.h:58
static LonLat fromRadians(double lon, double lat)
Definition LonLat.h:62
static LonLat fromDegrees(double lon, double lat)
Definition LonLat.h:57
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:44
LonLat()
This constructor creates the point with longitude and latitude angle equal to zero.
Definition LonLat.h:77
Angle getLat() const
Definition LonLat.h:97
bool operator==(LonLat const &p) const
Definition LonLat.h:87
NormalizedAngle getLon() const
Definition LonLat.h:95
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:56
bool operator!=(LonLat const &p) const
Definition LonLat.h:91
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:51
std::ostream & operator<<(std::ostream &, Angle const &)
Definition Angle.cc:41