lsst.meas.modelfit  15.0-3-g150fc43+8
UnitSystem.h
Go to the documentation of this file.
1 // -*- lsst-c++ -*-
2 /*
3  * LSST Data Management System
4  * Copyright 2008-2013 LSST Corporation.
5  *
6  * This product includes software developed by the
7  * LSST Project (http://www.lsst.org/).
8  *
9  * This program is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation, either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the LSST License Statement and
20  * the GNU General Public License along with this program. If not,
21  * see <http://www.lsstcorp.org/LegalNotices/>.
22  */
23 
24 #ifndef LSST_MEAS_MODELFIT_UnitSystem_h_INCLUDED
25 #define LSST_MEAS_MODELFIT_UnitSystem_h_INCLUDED
26 
29 #include "lsst/afw/geom/SkyWcs.h"
30 #include "lsst/afw/image/Calib.h"
32 
34 
35 namespace lsst {
36 namespace meas {
37 namespace modelfit {
38 
42 struct UnitSystem {
45 
54  double flux);
55  UnitSystem(afw::geom::SpherePoint const& position, Scalar mag);
56 
59  : wcs(wcs_), calib(validateCalib(calib_)) {}
60 
62  template <typename T>
64  : wcs(exposure.getWcs()), calib(validateCalib(exposure.getCalib())) {}
65 
66 private:
69  static std::shared_ptr<const lsst::afw::image::Calib> getDefaultCalib();
70 };
71 
82 
84  double flux;
85 
87  double sb;
88 
89  LocalUnitTransform(afw::geom::Point2D const& sourcePixel, UnitSystem const& source,
90  UnitSystem const& destination);
91 
93  LocalUnitTransform() : geometric(), flux(1.0), sb(1.0) {}
94 };
95 
96 } // namespace modelfit
97 } // namespace meas
98 } // namespace lsst
99 
100 #endif // !LSST_MEAS_MODELFIT_UnitSystem_h_INCLUDED
UnitSystem(afw::geom::SpherePoint const &position, std::shared_ptr< const lsst::afw::image::Calib > calibIn, double flux)
Construct a "standard" UnitSystem.
boost::shared_ptr< afw::geom::SkyWcs const > wcs
Definition: UnitSystem.h:43
double sb
Multiply source surface brightnesses by this to get destination surface brightnesses.
Definition: UnitSystem.h:87
double Scalar
Typedefs to be used for probability and parameter values.
Definition: common.h:44
#define PTR(...)
UnitSystem(afw::image::Exposure< T > const &exposure)
Construct a UnitSystem by extracting the Wcs and Calib from an Exposure (implicit) ...
Definition: UnitSystem.h:63
A simple struct that combines a Wcs and a Calib.
Definition: UnitSystem.h:42
A local mapping between two UnitSystems.
Definition: UnitSystem.h:79
boost::shared_ptr< afw::image::Calib const > calib
Definition: UnitSystem.h:44
LocalUnitTransform()
Construct an identity transform for both geometry and flux.
Definition: UnitSystem.h:93
afw::geom::AffineTransform geometric
Maps source pixel coordinates to destination pixel coordinates.
Definition: UnitSystem.h:81
UnitSystem(boost::shared_ptr< afw::geom::SkyWcs const > wcs_, boost::shared_ptr< afw::image::Calib const > calib_)
Construct a UnitSystem from a give Wcs and Calib.
Definition: UnitSystem.h:58
double flux
Multiply source fluxes by this to get destination fluxes.
Definition: UnitSystem.h:84