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LSST Data Management Base Package
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ScaledApertureFlux.h
Go to the documentation of this file.
1// -*- lsst-c++ -*-
2/*
3 * LSST Data Management System
4 * Copyright 2008-2016 AURA/LSST.
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_BASE_ScaledApertureFlux_h_INCLUDED
25#define LSST_MEAS_BASE_ScaledApertureFlux_h_INCLUDED
26
27#include "lsst/afw/table.h"
34#include "lsst/pex/config.h"
35
36namespace lsst {
37namespace meas {
38namespace base {
39
41public:
44 "Warping kernel used to shift Sinc photometry coefficients to different center positions");
45 LSST_CONTROL_FIELD(scale, double, "Scaling factor of PSF FWHM for aperture radius.");
46
47 // The default scaling factor is chosen such that scaled aperture
48 // magnitudes are expected to be equal to Kron magnitudes, based on
49 // measurements performed by Stephen Gwyn on WIRCam. See:
50 // http://www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca/en/wirwolf/docs/proc.html#photcal
51 // http://www.cfht.hawaii.edu/fr/news/UM2013/presentations/Session10-SGwyn.pdf
53};
54
63public:
66
67 ScaledApertureFluxAlgorithm(Control const& control, std::string const& name, afw::table::Schema& schema);
68
77 virtual void measure(afw::table::SourceRecord& measRecord,
78 afw::image::Exposure<float> const& exposure) const override;
79
80 virtual void fail(afw::table::SourceRecord& measRecord, MeasurementError* error = nullptr) const override;
81
82private:
83 Control _ctrl;
84 FluxResultKey _instFluxResultKey;
85 FlagHandler _flagHandler;
86 SafeCentroidExtractor _centroidExtractor;
87};
88
95
96} // namespace base
97} // namespace meas
98} // namespace lsst
99
100#endif // !LSST_MEAS_BASE_ScaledApertureFlux_h_INCLUDED
A class to contain the data, WCS, and other information needed to describe an image of the sky.
Definition Exposure.h:72
Defines the fields and offsets for a table.
Definition Schema.h:51
A mapping between the keys of two Schemas, used to copy data between them.
Record class that contains measurements made on a single exposure.
Definition Source.h:78
Utility class for handling flag fields that indicate the failure modes of an algorithm.
A FunctorKey for FluxResult.
FluxTransform(std::string const &name, afw::table::SchemaMapper &mapper)
Exception to be thrown when a measurement algorithm experiences a known failure mode.
Definition exceptions.h:48
Utility class for measurement algorithms that extracts a position from the Centroid slot and handles ...
ScaledApertureFluxAlgorithm(Control const &control, std::string const &name, afw::table::Schema &schema)
virtual void measure(afw::table::SourceRecord &measRecord, afw::image::Exposure< float > const &exposure) const override
Measure the scaled aperture instFlux on the given image.
virtual void fail(afw::table::SourceRecord &measRecord, MeasurementError *error=nullptr) const override
Handle an exception thrown by the current algorithm by setting flags in the given record.
std::string shiftKernel
"Warping kernel used to shift Sinc photometry coefficients to different center positions" ;
double scale
"Scaling factor of PSF FWHM for aperture radius." ;
ScaledApertureFluxTransform(Control const &ctrl, std::string const &name, afw::table::SchemaMapper &mapper)
An abstract base classes for which the same implementation can be used for both SingleFrameAlgorithm ...
Definition Algorithm.h:170
#define LSST_CONTROL_FIELD(NAME, TYPE, DOC)
A preprocessor macro used to define fields in C++ "control object" structs.
Definition config.h:43
A Result struct for running an aperture flux algorithm with a single radius.