LSSTApplications  11.0-24-g0a022a1,14.0+64,15.0,15.0+1,15.0-1-g14e9bfd,15.0-1-g1eca518,15.0-1-g499c38d,15.0-1-g60afb23,15.0-1-g6668b0b,15.0-1-g788a293,15.0-1-g82223af,15.0-1-ga91101e,15.0-1-gae1598d,15.0-1-gc45031d,15.0-1-gd076f1f,15.0-1-gf4f1c34,15.0-1-gfe1617d,15.0-16-g953e39cab,15.0-2-g2010ef9,15.0-2-g33d94b3,15.0-2-g5218728,15.0-2-g947dc0d,15.0-3-g9103c06,15.0-3-ga03b4ca,15.0-3-ga659d1f3,15.0-3-ga695220+2,15.0-3-gaec6799,15.0-3-gb7a597c,15.0-3-gd5b9ff95,15.0-4-g0478fed+2,15.0-4-g45f767a,15.0-4-gff20472+2,15.0-6-ge2d9597
LSSTDataManagementBasePackage
SeparableXYTransform.cc
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1 // -*- lsst-c++ -*-
2 
3 /*
4  * LSST Data Management System
5  * Copyright 2015 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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18  * GNU General Public License for more details.
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23  */
24 
25 #include <cmath>
26 
27 #include "lsst/afw/geom/Functor.h"
29 
30 namespace lsst {
31 namespace afw {
32 namespace geom {
33 
35  : XYTransform(), _xfunctor(xfunctor.clone()), _yfunctor(yfunctor.clone()) {}
36 
41 
43  return std::make_shared<SeparableXYTransform>(*_xfunctor, *_yfunctor);
44 }
45 
47  double xin = point.getX();
48  double yin = point.getY();
49  double xout = (*_xfunctor)(xin);
50  double yout = (*_yfunctor)(yin);
51  return Point2D(xout, yout);
52 }
53 
55  double xout = point.getX();
56  double yout = point.getY();
57  double xin = 0;
58  double yin = 0;
59  try {
60  xin = _xfunctor->inverse(xout);
61  yin = _yfunctor->inverse(yout);
63  LSST_EXCEPT_ADD(e, "Called from SeparableXYTransform::reverseTransform");
64  throw;
65  }
66  return Point2D(xin, yin);
67 }
68 
69 Functor const& SeparableXYTransform::getXfunctor() const { return *_xfunctor; }
70 
71 Functor const& SeparableXYTransform::getYfunctor() const { return *_yfunctor; }
72 
73 } // namespace geom
74 } // namespace afw
75 } // namespace lsst
virtual Point2D forwardTransform(Point2D const &point) const
virtual Point2D reverseTransform(Point2D const &point) const
A base class for image defects.
Definition: cameraGeom.dox:3
SeparableXYTransform & operator=(SeparableXYTransform const &)
SeparableXYTransform(Functor const &xfunctor, Functor const &yfunctor)
virtual std::shared_ptr< XYTransform > clone() const
returns a deep copy
A 2D transform for which the pixel distortions in the in the x- and y-directions are separable...
Virtual base class for 2D transforms.
Definition: XYTransform.h:49
Abstract base class for function objects.
Definition: Functor.h:50
#define LSST_EXCEPT_ADD(e, m)
Add the current location and a message to an existing exception before rethrowing it...
Definition: Exception.h:51
afw::geom::Point2D Point2D
Definition: XYTransform.h:51