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LSST Data Management Base Package
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BaseStar.h
Go to the documentation of this file.
1// -*- LSST-C++ -*-
2/*
3 * This file is part of jointcal.
4 *
5 * Developed for the LSST Data Management System.
6 * This product includes software developed by the LSST Project
7 * (https://www.lsst.org).
8 * See the COPYRIGHT file at the top-level directory of this distribution
9 * for details of code ownership.
10 *
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <https://www.gnu.org/licenses/>.
23 */
24
25#ifndef LSST_JOINTCAL_BASE_STAR_H
26#define LSST_JOINTCAL_BASE_STAR_H
27
28#include <iostream>
29#include <iomanip>
30#include <cstdio>
31#include <string>
32#include <sstream>
33
37
38namespace lsst {
39namespace jointcal {
40
41namespace {
42
44double magErrFromFluxErr(double instFlux, double instFluxErr) {
45 return 2.5 / std::log(10) * (instFluxErr / instFlux);
46}
47
48} // namespace
49
51class BaseStar : public FatPoint {
52public:
54 x = 0;
55 y = 0;
56 _flux = 0;
57 };
59 BaseStar(double xx, double yy, double flux, double fluxErr)
60 : FatPoint(xx, yy),
61 _flux(flux),
62 _fluxErr(fluxErr),
63 _mag(utils::nanojanskyToABMagnitude(flux)),
64 _magErr(magErrFromFluxErr(flux, fluxErr)){};
65 BaseStar(Point const &point, double flux, double fluxErr, double mag, double magErr)
66 : FatPoint(point),
67 _flux(flux),
68 _fluxErr(fluxErr),
69 _mag(utils::nanojanskyToABMagnitude(flux)),
70 _magErr(magErrFromFluxErr(flux, fluxErr)){};
71
73 double getX() const { return x; }
75 double getY() const { return y; }
76
78 friend std::ostream &operator<<(std::ostream &stream, BaseStar const &s) {
79 s.print(stream);
80 return stream;
81 }
82
83 virtual void print(std::ostream &out) const {
84 FatPoint::print(out);
85 out << " flux: " << std::setprecision(9) << _flux << " fluxErr: " << _fluxErr;
86 }
87
88 BaseStar &operator=(Point const &point) {
89 x = point.x;
90 y = point.y;
91 return (*this);
92 };
93
94 static const char *typeName() { return "BaseStar"; }
95
96 virtual ~BaseStar() = default;;
97
98 double getFlux() const { return _flux; }
99 double &getFlux() { return _flux; }
100 void setFlux(double flux) { _flux = flux; }
101
102 double getFluxErr() const { return _fluxErr; }
103 void setFluxErr(double fluxErr) { _fluxErr = fluxErr; }
104
105 double getMag() const { return _mag; }
106 double &getMag() { return _mag; }
107
108 double getMagErr() const { return _magErr; }
109 void setMagErr(double magErr) { _magErr = magErr; }
110
111protected:
112 // on-sky flux, in nanojansky
113 double _flux;
114 double _fluxErr{};
115
116 // on-sky magnitude
117 double _mag{};
118 double _magErr{};
119};
120
122
123using BaseStarCIterator = BaseStarList::const_iterator;
124using BaseStarIterator = BaseStarList::iterator;
125} // namespace jointcal
126} // namespace lsst
127
128#endif // LSST_JOINTCAL_BASE_STAR_H
The base class for handling stars. Used by all matching routines.
Definition BaseStar.h:51
double getMagErr() const
Definition BaseStar.h:108
static const char * typeName()
Definition BaseStar.h:94
BaseStar(Point const &point, double flux, double fluxErr, double mag, double magErr)
Definition BaseStar.h:65
double getMag() const
Definition BaseStar.h:105
double getFlux() const
Definition BaseStar.h:98
double getFluxErr() const
Definition BaseStar.h:102
BaseStar & operator=(Point const &point)
Definition BaseStar.h:88
friend std::ostream & operator<<(std::ostream &stream, BaseStar const &s)
allows std::cout << aBaseStar;
Definition BaseStar.h:78
double getX() const
access stuff.
Definition BaseStar.h:73
void setMagErr(double magErr)
Definition BaseStar.h:109
BaseStar(double xx, double yy, double flux, double fluxErr)
constructor
Definition BaseStar.h:59
void setFluxErr(double fluxErr)
Definition BaseStar.h:103
virtual ~BaseStar()=default
void setFlux(double flux)
Definition BaseStar.h:100
virtual void print(std::ostream &out) const
Definition BaseStar.h:83
double getY() const
Definition BaseStar.h:75
A Point with uncertainties.
Definition FatPoint.h:34
void print(std::ostream &s=std::cout) const
Definition FatPoint.h:49
A point in a plane.
Definition Point.h:37
double x
coordinate
Definition Point.h:42
std::lists of Stars.
Definition StarList.h:58
T log(T... args)
BaseStarList::const_iterator BaseStarCIterator
Definition BaseStar.h:123
BaseStarList::iterator BaseStarIterator
Definition BaseStar.h:124
T setprecision(T... args)
Utilities for converting between flux and magnitude in C++.