Loading [MathJax]/extensions/tex2jax.js
LSST Applications 28.0.0,g1653933729+a8ce1bb630,g1a997c3884+a8ce1bb630,g28da252d5a+5bd70b7e6d,g2bbee38e9b+638fca75ac,g2bc492864f+638fca75ac,g3156d2b45e+07302053f8,g347aa1857d+638fca75ac,g35bb328faa+a8ce1bb630,g3a166c0a6a+638fca75ac,g3e281a1b8c+7bbb0b2507,g4005a62e65+17cd334064,g414038480c+5b5cd4fff3,g41af890bb2+4ffae9de63,g4e1a3235cc+0f1912dca3,g6249c6f860+3c3976f90c,g80478fca09+46aba80bd6,g82479be7b0+77990446f6,g858d7b2824+78ba4d1ce1,g89c8672015+f667a5183b,g9125e01d80+a8ce1bb630,ga5288a1d22+2a6264e9ca,gae0086650b+a8ce1bb630,gb58c049af0+d64f4d3760,gc22bb204ba+78ba4d1ce1,gc28159a63d+638fca75ac,gcf0d15dbbd+32ddb6096f,gd6b7c0dfd1+3e339405e9,gda3e153d99+78ba4d1ce1,gda6a2b7d83+32ddb6096f,gdaeeff99f8+1711a396fd,gdd5a9049c5+b18c39e5e3,ge2409df99d+a5e4577cdc,ge33fd446bb+78ba4d1ce1,ge79ae78c31+638fca75ac,gf0baf85859+64e8883e75,gf5289d68f6+e1b046a8d7,gfa443fc69c+91d9ed1ecf,gfda6b12a05+8419469a56
LSST Data Management Base Package
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Modules Pages
ExposurePatch.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#if !defined(LSST_MEAS_ALGORITHMS_EXPOSURE_PATCH_H)
26#define LSST_MEAS_ALGORITHMS_EXPOSURE_PATCH_H
27
28#include "lsst/base.h"
30#include "lsst/geom/Point.h"
33
34namespace lsst {
35namespace meas {
36namespace algorithms {
37
41template <typename ExposureT>
43public:
44 typedef unsigned char FlagT;
47
51 geom::Point2D const& center
52 )
53 : _exp(exp), _foot(foot), _center(center), _fromStandard(), _toStandard() {}
55 afw::detection::Footprint const& standardFoot,
56 geom::Point2D const& standardCenter,
57 afw::geom::SkyWcs const& standardWcs
58 )
59 : _exp(exp) {
60 afw::geom::SkyWcs const& expWcs = *exp->getWcs();
61 auto const sky = standardWcs.pixelToSky(standardCenter);
63 standardFoot.transform(standardWcs, expWcs, exp->getBBox());
64 const_cast<geom::Point2D&>(_center) = expWcs.skyToPixel(sky);
65 const_cast<geom::AffineTransform&>(_fromStandard) =
66 standardWcs.linearizePixelToSky(sky) * expWcs.linearizeSkyToPixel(sky);
67 const_cast<geom::AffineTransform&>(_toStandard) =
68 expWcs.linearizePixelToSky(sky) * standardWcs.linearizeSkyToPixel(sky);
69 }
70
72 std::shared_ptr<ExposureT const> const getExposure() const { return _exp; }
74 geom::Point2D const& getCenter() const { return _center; }
75 geom::AffineTransform const& fromStandard() const { return _fromStandard; }
76 geom::AffineTransform const& toStandard() const { return _toStandard; }
77
79 void setCenter(geom::Point2D const& center) { _center = center; }
80
81private:
84 geom::Point2D _center;
85 geom::AffineTransform const _fromStandard;
86 geom::AffineTransform const _toStandard;
87};
88
90template <typename ExposureT>
96template <typename ExposureT>
99 geom::Point2D const& standardCenter, afw::geom::SkyWcs const& standardWcs) {
100 return std::make_shared<ExposurePatch<ExposureT> >(exp, standardFoot, standardCenter, standardWcs);
101}
102
103} // namespace algorithms
104} // namespace meas
105} // namespace lsst
106
107#endif
Basic LSST definitions.
Class to describe the properties of a detected object from an image.
Definition Footprint.h:63
std::shared_ptr< Footprint > transform(std::shared_ptr< geom::SkyWcs > source, std::shared_ptr< geom::SkyWcs > target, lsst::geom::Box2I const &region, bool doClip=true) const
Transform the footprint from one WCS to another.
Definition Footprint.cc:81
A 2-dimensional celestial WCS that transform pixels to ICRS RA/Dec, using the LSST standard for pixel...
Definition SkyWcs.h:117
lsst::geom::SpherePoint pixelToSky(lsst::geom::Point2D const &pixel) const
Compute sky position(s) from pixel position(s)
Definition SkyWcs.h:334
lsst::geom::AffineTransform linearizePixelToSky(lsst::geom::SpherePoint const &coord, lsst::geom::AngleUnit const &skyUnit) const
Return the local linear approximation to pixelToSky at a point given in sky coordinates.
Definition SkyWcs.cc:275
lsst::geom::AffineTransform linearizeSkyToPixel(lsst::geom::SpherePoint const &coord, lsst::geom::AngleUnit const &skyUnit) const
Return the local linear approximation to skyToPixel at a point given in sky coordinates.
Definition SkyWcs.cc:284
lsst::geom::Point2D skyToPixel(lsst::geom::SpherePoint const &sky) const
Compute pixel position(s) from sky position(s)
Definition SkyWcs.h:349
An affine coordinate transformation consisting of a linear transformation and an offset.
A convenience container for the exposure, peak and footprint that will be measured.
void setCenter(geom::Point2D const &center)
Modifiers.
std::shared_ptr< afw::detection::Footprint const > const getFootprint() const
ExposurePatch(std::shared_ptr< ExposureT const > exp, afw::detection::Footprint const &standardFoot, geom::Point2D const &standardCenter, afw::geom::SkyWcs const &standardWcs)
geom::Point2D const & getCenter() const
geom::AffineTransform const & toStandard() const
std::shared_ptr< ExposurePatch > Ptr
geom::AffineTransform const & fromStandard() const
ExposurePatch(std::shared_ptr< ExposureT const > exp, std::shared_ptr< afw::detection::Footprint const > foot, geom::Point2D const &center)
Constructor.
unsigned char FlagT
Type for flags.
std::shared_ptr< ExposurePatch const > ConstPtr
std::shared_ptr< ExposureT const > const getExposure() const
Accessors.
T make_shared(T... args)
std::shared_ptr< ExposurePatch< ExposureT > > makeExposurePatch(std::shared_ptr< ExposureT const > exp, std::shared_ptr< afw::detection::Footprint const > foot, geom::Point2D const &center)
Factory function for ExposurePatch.