LSST Applications 27.0.0,g0265f82a02+469cd937ee,g02d81e74bb+21ad69e7e1,g1470d8bcf6+cbe83ee85a,g2079a07aa2+e67c6346a6,g212a7c68fe+04a9158687,g2305ad1205+94392ce272,g295015adf3+81dd352a9d,g2bbee38e9b+469cd937ee,g337abbeb29+469cd937ee,g3939d97d7f+72a9f7b576,g487adcacf7+71499e7cba,g50ff169b8f+5929b3527e,g52b1c1532d+a6fc98d2e7,g591dd9f2cf+df404f777f,g5a732f18d5+be83d3ecdb,g64a986408d+21ad69e7e1,g858d7b2824+21ad69e7e1,g8a8a8dda67+a6fc98d2e7,g99cad8db69+f62e5b0af5,g9ddcbc5298+d4bad12328,ga1e77700b3+9c366c4306,ga8c6da7877+71e4819109,gb0e22166c9+25ba2f69a1,gb6a65358fc+469cd937ee,gbb8dafda3b+69d3c0e320,gc07e1c2157+a98bf949bb,gc120e1dc64+615ec43309,gc28159a63d+469cd937ee,gcf0d15dbbd+72a9f7b576,gdaeeff99f8+a38ce5ea23,ge6526c86ff+3a7c1ac5f1,ge79ae78c31+469cd937ee,gee10cc3b42+a6fc98d2e7,gf1cff7945b+21ad69e7e1,gfbcc870c63+9a11dc8c8f
LSST Data Management Base Package
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Weather.cc
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1// -*- lsst-c++ -*-
2
3/*
4 * LSST Data Management System
5 * Copyright 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#include <cmath>
26#include <sstream>
27
29#include "lsst/pex/exceptions.h"
31
32namespace lsst {
33namespace afw {
34namespace coord {
35
37 : _airTemperature(airTemperature), _airPressure(airPressure), _humidity(humidity) {
38 validate();
39}
40
41bool Weather::operator==(Weather const& other) const noexcept {
42 // Weather may be initialized to NaN values as a placeholder, or to indicate "unknown".
43 bool tempMatch = (std::isnan(_airTemperature) && std::isnan(other.getAirTemperature())) ||
44 _airTemperature == other.getAirTemperature();
45 bool presMatch = (std::isnan(_airPressure) && std::isnan(other.getAirPressure())) ||
46 _airPressure == other.getAirPressure();
47 bool humiMatch =
48 (std::isnan(_humidity) && std::isnan(other.getHumidity())) || _humidity == other.getHumidity();
49 return (tempMatch && presMatch && humiMatch);
50}
51
53 // Completely arbitrary seed
54 return utils::hashCombine(17, _airTemperature, _airPressure, _humidity);
55}
56
57void Weather::validate() const {
58 if (_humidity < 0.0) { // allow > 100 even though supersaturation is most unlikely
60 os << "Relative humidity = " << _humidity << " must not be negative";
62 }
63}
64
66 return os << "Weather(" << weath.getAirTemperature() << ", " << weath.getAirPressure() << ", "
67 << weath.getHumidity() << ")";
68}
69} // namespace coord
70} // namespace afw
71} // namespace lsst
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition Exception.h:48
std::ostream * os
Definition Schema.cc:557
table::Key< double > airPressure
Definition VisitInfo.cc:219
table::Key< double > airTemperature
Definition VisitInfo.cc:218
table::Key< double > humidity
Definition VisitInfo.cc:220
Basic weather information sufficient for a simple model for air mass or refraction.
Definition Weather.h:38
bool operator==(Weather const &other) const noexcept
Definition Weather.cc:41
double getHumidity() const noexcept
get outside relative humidity (%)
Definition Weather.h:70
double getAirPressure() const noexcept
get outside air pressure (Pascal)
Definition Weather.h:67
double getAirTemperature() const noexcept
get outside air temperature (C)
Definition Weather.h:64
Weather(double airTemperature, double airPressure, double humidity)
Construct a Weather.
Definition Weather.cc:36
std::size_t hash_value() const noexcept
Return a hash of this object.
Definition Weather.cc:52
Reports invalid arguments.
Definition Runtime.h:66
T isnan(T... args)
std::ostream & operator<<(std::ostream &os, Observatory const &obs)
Print an Observatory to the stream.
std::size_t hashCombine(std::size_t seed) noexcept
Combine hashes.
Definition hashCombine.h:35