LSST Applications 24.1.6,g063fba187b+56b85ce14a,g0f08755f38+df8a265115,g12f32b3c4e+891a09f10d,g1524ad2192+7a5d7b3fbd,g1653933729+a8ce1bb630,g168dd56ebc+a8ce1bb630,g28da252d5a+07cb1400be,g2bbee38e9b+ae03bbfc84,g2bc492864f+ae03bbfc84,g3156d2b45e+6e55a43351,g347aa1857d+ae03bbfc84,g35bb328faa+a8ce1bb630,g3a166c0a6a+ae03bbfc84,g3e281a1b8c+c5dd892a6c,g414038480c+6b9177ef31,g41af890bb2+8f257c4c0b,g781aacb6e4+a8ce1bb630,g7af13505b9+7137b3b17d,g80478fca09+6df6903293,g82479be7b0+091ce1d07f,g858d7b2824+df8a265115,g89c8672015+f4add4ffd5,g9125e01d80+a8ce1bb630,g9726552aa6+414189b318,ga5288a1d22+4a2bca08d7,gacef1a1666+c9a8ff65f4,gb58c049af0+d64f4d3760,gbcfae0f0a0+de1d42d831,gc28159a63d+ae03bbfc84,gcf0d15dbbd+72117bf34e,gda6a2b7d83+72117bf34e,gdaeeff99f8+1711a396fd,ge500cccec5+c8c9c9af63,ge79ae78c31+ae03bbfc84,gf0baf85859+c1f95f4921,gfa517265be+df8a265115,gfa999e8aa5+17cd334064,gfb92a5be7c+df8a265115
LSST Data Management Base Package
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Transformer.h
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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
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
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22 * see <http://www.lsstcorp.org/LegalNotices/>.
23 */
24
25#ifndef LSST_AFW_GEOM_ELLIPSES_Transformer_h_INCLUDED
26#define LSST_AFW_GEOM_ELLIPSES_Transformer_h_INCLUDED
27
28/*
29 * Definitions for Ellipse::Transformer and BaseCore::Transformer.
30 *
31 * Note: do not include directly; use the main ellipse header file.
32 */
33
36
37namespace lsst {
38namespace afw {
39namespace geom {
40namespace ellipses {
41
50public:
52 using DerivativeMatrix = Eigen::Matrix3d;
53
55 using TransformDerivativeMatrix = Eigen::Matrix<double, 3, 4>;
56
59 : input(input_), transform(transform_) {}
60
63
65 void inPlace();
66
67 void apply(BaseCore &result) const;
68
70 DerivativeMatrix d() const;
71
74
77};
78
87public:
89 using DerivativeMatrix = Eigen::Matrix<double, 5, 5>;
90
92 using TransformDerivativeMatrix = Eigen::Matrix<double, 5, 6>;
93
96 : input(input_), transform(transform_) {}
97
100
102 void inPlace();
103
104 void apply(Ellipse &other) const;
105
107 DerivativeMatrix d() const;
108
111
114};
115
119
121 return BaseCore::Transformer(const_cast<BaseCore &>(*this), transform);
122}
123
127
129 return Ellipse::Transformer(const_cast<Ellipse &>(*this), transform);
130}
131
133 : _core(other.input.getCore().transform(other.transform.getLinear()).copy()),
134 _center(other.transform(other.input.getCenter())) {}
135} // namespace ellipses
136} // namespace geom
137} // namespace afw
138} // namespace lsst
139
140#endif // !LSST_AFW_GEOM_ELLIPSES_Transformer_h_INCLUDED
py::object result
Definition _schema.cc:429
table::Key< int > transform
A temporary-only expression object for ellipse core transformations.
Definition Transformer.h:49
DerivativeMatrix d() const
Return the derivative of transformed core with respect to input core.
void inPlace()
Transform the ellipse core in-place.
TransformDerivativeMatrix dTransform() const
Return the derivative of transformed core with respect to transform parameters.
lsst::geom::LinearTransform const & transform
transform object
Definition Transformer.h:76
Transformer(BaseCore &input_, lsst::geom::LinearTransform const &transform_)
Standard constructor.
Definition Transformer.h:58
std::shared_ptr< BaseCore > copy() const
Return a new transformed ellipse core.
Eigen::Matrix< double, 3, 4 > TransformDerivativeMatrix
Matrix type for derivative with respect to transform parameters.
Definition Transformer.h:55
BaseCore & input
input core to be transformed
Definition Transformer.h:75
Eigen::Matrix3d DerivativeMatrix
Matrix type for derivative with respect to input ellipse parameters.
Definition Transformer.h:52
A base class for parametrizations of the "core" of an ellipse - the ellipticity and size.
Definition BaseCore.h:55
Transformer transform(lsst::geom::LinearTransform const &transform)
Return the transform that maps the ellipse to the unit circle.
A temporary-only expression object for ellipse transformations.
Definition Transformer.h:86
Transformer(Ellipse &input_, lsst::geom::AffineTransform const &transform_)
Standard constructor.
Definition Transformer.h:95
Ellipse & input
input ellipse to be transformed
void inPlace()
Transform the ellipse in-place.
Eigen::Matrix< double, 5, 5 > DerivativeMatrix
Matrix type for derivative with respect to input ellipse parameters.
Definition Transformer.h:89
TransformDerivativeMatrix dTransform() const
Return the derivative of transform output ellipse with respect to transform parameters.
lsst::geom::AffineTransform const & transform
transform object
std::shared_ptr< Ellipse > copy() const
Return a new transformed ellipse.
DerivativeMatrix d() const
Return the derivative of transform output ellipse with respect to input ellipse.
Eigen::Matrix< double, 5, 6 > TransformDerivativeMatrix
Matrix type for derivative with respect to transform parameters.
Definition Transformer.h:92
An ellipse defined by an arbitrary BaseCore and a center point.
Definition Ellipse.h:51
Ellipse(BaseCore const &core, lsst::geom::Point2D const &center=lsst::geom::Point2D())
Return the transform that maps the ellipse to the unit circle.
Definition Ellipse.h:164
Transformer transform(lsst::geom::AffineTransform const &transform)
An affine coordinate transformation consisting of a linear transformation and an offset.
A 2D linear coordinate transformation.