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LSST Data Management Base Package
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Distortion.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_Distortion_h_INCLUDED
26#define LSST_AFW_GEOM_ELLIPSES_Distortion_h_INCLUDED
27
29
30namespace lsst {
31namespace afw {
32namespace geom {
33namespace ellipses {
34
35class ConformalShear;
36class ReducedShear;
37
45public:
46 explicit Distortion(std::complex<double> const& complex) : detail::EllipticityBase(complex) {}
47
48 explicit Distortion(double e1 = 0.0, double e2 = 0.0) : detail::EllipticityBase(e1, e2) {}
49
51 // Delegate to copy-constructor for backwards compatibility
52 Distortion(Distortion&& other) : Distortion(other) {}
53 ~Distortion() = default;
54
55 explicit Distortion(ConformalShear const& other) { this->operator=(other); }
56
57 explicit Distortion(ReducedShear const& other) { this->operator=(other); }
58
60 _complex = other._complex;
61 return *this;
62 }
63 // Delegate to copy-assignment for backwards compatibility
64 Distortion& operator=(Distortion&& other) { return *this = other; }
65
66 Distortion& operator=(ConformalShear const& other);
67
68 Distortion& operator=(ReducedShear const& other);
69
70 Jacobian dAssign(Distortion const& other) {
71 _complex = other._complex;
72 return Jacobian::Identity();
73 }
74
75 Jacobian dAssign(ConformalShear const& other);
76
77 Jacobian dAssign(ReducedShear const& other);
78
79 double getAxisRatio() const;
80
81 void normalize();
82
83 static std::string getName() { return "Distortion"; }
84};
85} // namespace ellipses
86} // namespace geom
87} // namespace afw
88} // namespace lsst
89
90#endif // !LSST_AFW_GEOM_ELLIPSES_Distortion_h_INCLUDED
A logarithmic complex ellipticity with magnitude .
A complex ellipticity with magnitude .
Definition Distortion.h:44
Distortion(ReducedShear const &other)
Definition Distortion.h:57
Distortion(Distortion const &other)
Definition Distortion.h:50
Distortion(ConformalShear const &other)
Definition Distortion.h:55
Jacobian dAssign(Distortion const &other)
Definition Distortion.h:70
Distortion & operator=(Distortion const &other)
Definition Distortion.h:59
Distortion(std::complex< double > const &complex)
Definition Distortion.h:46
Distortion & operator=(Distortion &&other)
Definition Distortion.h:64
Distortion(double e1=0.0, double e2=0.0)
Definition Distortion.h:48
A complex ellipticity with magnitude .
EllipticityBase is a base class for complex ellipticity types.
EllipticityBase(EllipticityBase const &)=default