lsst.afw 22.0.1-43-gf2a78aa89+dd56810b06
Transformer.h
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1// -*- lsst-c++ -*-
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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
117 return BaseCore::Transformer(*this, transform);
118}
119
121 return BaseCore::Transformer(const_cast<BaseCore &>(*this), transform);
122}
123
125 return Ellipse::Transformer(*this, transform);
126}
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
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.
Definition: Transformer.cc:49
void inPlace()
Transform the ellipse core in-place.
Definition: Transformer.cc:39
TransformDerivativeMatrix dTransform() const
Return the derivative of transformed core with respect to transform parameters.
Definition: Transformer.cc:70
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.
Definition: Transformer.cc:33
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.
Definition: Transformer.h:116
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
Definition: Transformer.h:112
void inPlace()
Transform the ellipse in-place.
Definition: Transformer.cc:103
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.
Definition: Transformer.cc:115
lsst::geom::AffineTransform const & transform
transform object
Definition: Transformer.h:113
std::shared_ptr< Ellipse > copy() const
Return a new transformed ellipse.
Definition: Transformer.cc:97
DerivativeMatrix d() const
Return the derivative of transform output ellipse with respect to input ellipse.
Definition: Transformer.cc:108
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)
Definition: Transformer.h:124
class[[deprecated("Removed with no replacement (but see lsst::afw::image::TransmissionCurve). Will be " "removed after v22.")]] FilterProperty final
Describe the properties of a Filter (e.g.
Definition: Filter.h:53
A base class for image defects.