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LSST Data Management Base Package
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ReducedShear.h
Go to the documentation of this file.
1// -*- lsst-c++ -*-
2
3/*
4 * LSST Data Management System
5 * Copyright 2008, 2009, 2010 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#ifndef LSST_AFW_GEOM_ELLIPSES_ReducedShear_h_INCLUDED
26#define LSST_AFW_GEOM_ELLIPSES_ReducedShear_h_INCLUDED
27
29
30namespace lsst {
31namespace afw {
32namespace geom {
33namespace ellipses {
34
35class Distortion;
36
37class ConformalShear;
38
46public:
47 explicit ReducedShear(std::complex<double> const& complex) : detail::EllipticityBase(complex) {}
48
49 explicit ReducedShear(double e1 = 0.0, double e2 = 0.0) : detail::EllipticityBase(e1, e2) {}
50
52 // Delegate to copy-constructor for backwards compatibility
54 ~ReducedShear() = default;
55
56 explicit ReducedShear(Distortion const& other) { this->operator=(other); }
57
58 explicit ReducedShear(ConformalShear const& other) { this->operator=(other); }
59
61 _complex = other._complex;
62 return *this;
63 }
64 // Delegate to copy-assignment for backwards compatibility
65 ReducedShear& operator=(ReducedShear&& other) { return *this = other; }
66
67 ReducedShear& operator=(Distortion const& other);
68
70
72 _complex = other._complex;
73 return Jacobian::Identity();
74 }
75
76 Jacobian dAssign(Distortion const& other);
77
78 Jacobian dAssign(ConformalShear const& other);
79
80 double getAxisRatio() const;
81
82 void normalize() {}
83
84 static std::string getName() { return "ReducedShear"; }
85};
86} // namespace ellipses
87} // namespace geom
88} // namespace afw
89} // namespace lsst
90
91#endif // !LSST_AFW_GEOM_ELLIPSES_ReducedShear_h_INCLUDED
A logarithmic complex ellipticity with magnitude .
A complex ellipticity with magnitude .
Definition Distortion.h:44
A complex ellipticity with magnitude .
ReducedShear & operator=(ReducedShear const &other)
ReducedShear(Distortion const &other)
ReducedShear(ReducedShear const &other)
ReducedShear & operator=(ReducedShear &&other)
Jacobian dAssign(ReducedShear const &other)
ReducedShear(ConformalShear const &other)
ReducedShear(double e1=0.0, double e2=0.0)
ReducedShear(std::complex< double > const &complex)
EllipticityBase is a base class for complex ellipticity types.
EllipticityBase(EllipticityBase const &)=default