lsst.afw  21.0.0-19-g1706eef1c+e734d31160
Transformer.h
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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 
37 namespace lsst {
38 namespace afw {
39 namespace geom {
40 namespace ellipses {
41 
50 public:
52  typedef Eigen::Matrix3d DerivativeMatrix;
53 
55  typedef Eigen::Matrix<double, 3, 4> TransformDerivativeMatrix;
56 
58  Transformer(BaseCore &input_, lsst::geom::LinearTransform const &transform_)
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 
87 public:
89  typedef Eigen::Matrix<double, 5, 5> DerivativeMatrix;
90 
92  typedef Eigen::Matrix<double, 5, 6> TransformDerivativeMatrix;
93 
95  Transformer(Ellipse &input_, lsst::geom::AffineTransform const &transform_)
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
ItemVariant const * other
Definition: Schema.cc:56
std::unique_ptr< SchemaItem< U > > result
Definition: Schema.cc:195
table::Key< int > transform
A temporary-only expression object for ellipse core transformations.
Definition: Transformer.h:49
Eigen::Matrix< double, 3, 4 > TransformDerivativeMatrix
Matrix type for derivative with respect to transform parameters.
Definition: Transformer.h:55
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
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
Eigen::Matrix< double, 5, 6 > TransformDerivativeMatrix
Matrix type for derivative with respect to transform parameters.
Definition: Transformer.h:92
DerivativeMatrix d() const
Return the derivative of transform output ellipse with respect to input ellipse.
Definition: Transformer.cc:108
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.