LSST Applications  21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
makeMatchStatistics.cc
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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
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 
27 
28 namespace lsst {
29 namespace meas {
30 namespace astrom {
31 
32 template <typename MatchT>
34  afw::math::StatisticsControl const& sctrl) {
35  if (matchList.empty()) {
36  throw LSST_EXCEPT(pexExcept::RuntimeError, "matchList is empty");
37  }
39  val.reserve(matchList.size());
40 
41  for (auto const& match : matchList) {
42  val.push_back(match.distance);
43  }
44  return afw::math::makeStatistics(val, flags, sctrl);
45 }
46 
47 template <typename MatchT>
49  std::vector<MatchT> const& matchList, int const flags,
50  afw::math::StatisticsControl const& sctrl) {
51  if (matchList.empty()) {
52  throw LSST_EXCEPT(pexExcept::RuntimeError, "matchList is empty");
53  }
55  val.reserve(matchList.size());
56 
57  for (auto const& match : matchList) {
58  auto refPtr = match.first;
59  auto srcPtr = match.second;
60  auto srcX = srcPtr->getX();
61  auto srcY = srcPtr->getY();
62  auto refPos = wcs.skyToPixel(refPtr->getCoord());
63  auto refX = refPos[0];
64  auto refY = refPos[1];
65  val.push_back(::hypot(srcX - refX, srcY - refY));
66  }
67  return afw::math::makeStatistics(val, flags, sctrl);
68 }
69 
70 template <typename MatchT>
72  std::vector<MatchT> const& matchList, int const flags,
73  afw::math::StatisticsControl const& sctrl) {
74  if (matchList.empty()) {
75  throw LSST_EXCEPT(pexExcept::RuntimeError, "matchList is empty");
76  }
78  val.reserve(matchList.size());
79 
80  for (auto const& match : matchList) {
81  auto refPtr = match.first;
82  auto srcPtr = match.second;
83  auto refCoord = refPtr->getCoord();
84  auto srcCoord = wcs.pixelToSky(srcPtr->getCentroid());
85  auto angSep = refCoord.separation(srcCoord);
86  val.push_back(angSep.asRadians());
87  }
88  return afw::math::makeStatistics(val, flags, sctrl);
89 }
90 
91 #define INSTANTIATE(MATCH) \
92  template afw::math::Statistics makeMatchStatistics<MATCH>(std::vector<MATCH> const& matchList, \
93  int const flags, \
94  afw::math::StatisticsControl const& sctrl); \
95  template afw::math::Statistics makeMatchStatisticsInPixels<MATCH>( \
96  afw::geom::SkyWcs const& wcs, std::vector<MATCH> const& matchList, int const flags, \
97  afw::math::StatisticsControl const& sctrl); \
98  template afw::math::Statistics makeMatchStatisticsInRadians<MATCH>( \
99  afw::geom::SkyWcs const& wcs, std::vector<MATCH> const& matchList, int const flags, \
100  afw::math::StatisticsControl const& sctrl);
101 
104 
105 } // namespace astrom
106 } // namespace meas
107 } // namespace lsst
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition: Exception.h:48
table::Key< table::Array< std::uint8_t > > wcs
Definition: SkyWcs.cc:66
A 2-dimensional celestial WCS that transform pixels to ICRS RA/Dec, using the LSST standard for pixel...
Definition: SkyWcs.h:117
Pass parameters to a Statistics object.
Definition: Statistics.h:92
A class to evaluate image statistics.
Definition: Statistics.h:220
Reports errors that are due to events beyond the control of the program.
Definition: Runtime.h:104
T empty(T... args)
Statistics makeStatistics(lsst::afw::image::Image< Pixel > const &img, lsst::afw::image::Mask< image::MaskPixel > const &msk, int const flags, StatisticsControl const &sctrl=StatisticsControl())
Handle a watered-down front-end to the constructor (no variance)
Definition: Statistics.h:359
afw::math::Statistics makeMatchStatisticsInRadians(afw::geom::SkyWcs const &wcs, std::vector< MatchT > const &matchList, int const flags, afw::math::StatisticsControl const &sctrl=afw::math::StatisticsControl())
Compute statistics of on-sky radial separation for a match list, in radians.
afw::math::Statistics makeMatchStatistics(std::vector< MatchT > const &matchList, int const flags, afw::math::StatisticsControl const &sctrl=afw::math::StatisticsControl())
Compute statistics of the distance field of a match list.
afw::math::Statistics makeMatchStatisticsInPixels(afw::geom::SkyWcs const &wcs, std::vector< MatchT > const &matchList, int const flags, afw::math::StatisticsControl const &sctrl=afw::math::StatisticsControl())
Compute statistics of on-detector radial separation for a match list, in pixels.
A base class for image defects.
T size(T... args)
ImageT val
Definition: CR.cc:146
#define INSTANTIATE(MATCH)
Lightweight representation of a geometric match between two records.
Definition: Match.h:67