LSSTApplications  20.0.0
LSSTDataManagementBasePackage
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 
30 namespace lsst {
31 namespace afw {
32 namespace geom {
33 namespace ellipses {
34 
35 class Distortion;
36 
37 class ConformalShear;
38 
46 public:
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 
68 
70 
72  _complex = other._complex;
73  return Jacobian::Identity();
74  }
75 
77 
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
lsst::afw::geom::ellipses::detail::EllipticityBase
EllipticityBase is a base class for complex ellipticity types.
Definition: EllipticityBase.h:45
std::string
STL class.
lsst::afw::geom::ellipses::detail::EllipticityBase::getComplex
std::complex< double > & getComplex()
Definition: EllipticityBase.h:51
ellipses
EllipticityBase.h
lsst::afw::geom::ellipses::ReducedShear::getName
static std::string getName()
Definition: ReducedShear.h:84
lsst::afw::geom::ellipses::ReducedShear::ReducedShear
ReducedShear(ConformalShear const &other)
Definition: ReducedShear.h:58
lsst::afw
Definition: imageAlgorithm.dox:1
lsst::afw::geom::ellipses::ReducedShear::ReducedShear
ReducedShear(Distortion const &other)
Definition: ReducedShear.h:56
lsst::afw::geom::ellipses::ReducedShear::~ReducedShear
~ReducedShear()=default
lsst::afw::geom::ellipses::ReducedShear::operator=
ReducedShear & operator=(ReducedShear const &other)
Definition: ReducedShear.h:60
lsst::afw::geom::ellipses::ReducedShear::ReducedShear
ReducedShear(double e1=0.0, double e2=0.0)
Definition: ReducedShear.h:49
lsst::afw::geom::ellipses::ConformalShear
A logarithmic complex ellipticity with magnitude .
Definition: ConformalShear.h:45
lsst::afw::geom::ellipses::detail::EllipticityBase::Jacobian
Eigen::Matrix2d Jacobian
Definition: EllipticityBase.h:47
lsst::afw::geom::ellipses::ReducedShear::dAssign
Jacobian dAssign(ReducedShear const &other)
Definition: ReducedShear.h:71
lsst::afw::geom::ellipses::ReducedShear::ReducedShear
ReducedShear(ReducedShear &&other)
Definition: ReducedShear.h:53
other
ItemVariant const * other
Definition: Schema.cc:56
lsst::afw::geom::ellipses::detail::EllipticityBase::_complex
std::complex< double > _complex
Definition: EllipticityBase.h:91
lsst::afw::geom::ellipses::ReducedShear::operator=
ReducedShear & operator=(ReducedShear &&other)
Definition: ReducedShear.h:65
lsst::afw::geom::ellipses::ReducedShear
A complex ellipticity with magnitude .
Definition: ReducedShear.h:45
lsst::afw::geom::ellipses::ReducedShear::ReducedShear
ReducedShear(std::complex< double > const &complex)
Definition: ReducedShear.h:47
lsst
A base class for image defects.
Definition: imageAlgorithm.dox:1
lsst::afw::geom::ellipses::ReducedShear::getAxisRatio
double getAxisRatio() const
Definition: ReducedShear.cc:33
lsst::geom
Definition: geomOperators.dox:4
lsst::afw::geom::ellipses::ReducedShear::normalize
void normalize()
Definition: ReducedShear.h:82
lsst::afw::geom::ellipses::ReducedShear::ReducedShear
ReducedShear(ReducedShear const &other)
Definition: ReducedShear.h:51
std::complex< double >
lsst::afw::geom::ellipses::Distortion
A complex ellipticity with magnitude .
Definition: Distortion.h:44
lsst::afw::geom::ellipses::detail::EllipticityBase::EllipticityBase
EllipticityBase(EllipticityBase const &)=default