lsst.meas.modelfit g8cdf404ddd+8645bd3009
UnitTransformedLikelihood.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_UnitTransformedLikelihood_h_INCLUDED
25#define LSST_MEAS_MODELFIT_UnitTransformedLikelihood_h_INCLUDED
26
27#include <vector>
28#include <memory>
29
30#include "ndarray.h"
31
32#include "lsst/pex/config.h"
37
42
43namespace lsst { namespace meas { namespace modelfit {
44
52public:
53
54 LSST_CONTROL_FIELD(usePixelWeights, bool,
55 "whether to individually weigh pixels using the variance image.");
56
57 LSST_CONTROL_FIELD(weightsMultiplier, double,
58 "Scaling factor to apply to weights.");
59
60 explicit UnitTransformedLikelihoodControl(bool usePixelWeights_=false, double weightsMultiplier_=1.0)
61 : usePixelWeights(usePixelWeights_), weightsMultiplier(weightsMultiplier_) {}
62
63};
64
71public:
83 );
84
88};
89
103public:
104
107 ndarray::Array<Pixel,2,-1> const & modelMatrix,
108 ndarray::Array<Scalar const,1,1> const & nonlinear,
109 bool doApplyWeights=true
110 ) const override;
111
124 ndarray::Array<Scalar const,1,1> const & fixed,
125 UnitSystem const & fitSys,
126 geom::SpherePoint const & position,
127 std::vector<std::shared_ptr<EpochFootprint>> const & epochFootprintList,
129 );
130
145 ndarray::Array<Scalar const,1,1> const & fixed,
146 UnitSystem const & fitSys,
147 geom::SpherePoint const & position,
148 afw::image::Exposure<Pixel> const & exposure,
149 afw::detection::Footprint const & footprint,
152 );
153
155
156private:
157 class Impl;
159};
160
161}}} // namespace lsst::meas::modelfit
162
163#endif // !LSST_MEAS_MODELFIT_UnitTransformedLikelihood_h_INCLUDED
An image at one epoch of a galaxy, plus associated info.
afw::image::Exposure< Pixel > const exposure
subregion of exposure that includes footprint
shapelet::MultiShapeletFunction const psf
multi-shapelet model of exposure PSF
afw::detection::Footprint const footprint
footprint of source (galaxy)
EpochFootprint(afw::detection::Footprint const &footprint, afw::image::Exposure< Pixel > const &exposure, shapelet::MultiShapeletFunction const &psf)
Construct a EpochFootprint.
Base class for optimizer/sampler likelihood functions that compute likelihood at a point.
Definition: Likelihood.h:70
Control object used to initialize a UnitTransformedLikelihood.
double weightsMultiplier
"Scaling factor to apply to weights." ;
bool usePixelWeights
"whether to individually weigh pixels using the variance image." ;
UnitTransformedLikelihoodControl(bool usePixelWeights_=false, double weightsMultiplier_=1.0)
A concrete Likelihood class that does not require its parameters and data to be in the same UnitSyste...
UnitTransformedLikelihood(std::shared_ptr< Model > model, ndarray::Array< Scalar const, 1, 1 > const &fixed, UnitSystem const &fitSys, geom::SpherePoint const &position, afw::image::Exposure< Pixel > const &exposure, afw::detection::Footprint const &footprint, shapelet::MultiShapeletFunction const &psf, UnitTransformedLikelihoodControl const &ctrl)
Initialize a UnitTransformedLikelihood with data from multiple exposures.
void computeModelMatrix(ndarray::Array< Pixel, 2,-1 > const &modelMatrix, ndarray::Array< Scalar const, 1, 1 > const &nonlinear, bool doApplyWeights=true) const override
Evaluate the model for the given vector of nonlinear parameters.
UnitTransformedLikelihood(std::shared_ptr< Model > model, ndarray::Array< Scalar const, 1, 1 > const &fixed, UnitSystem const &fitSys, geom::SpherePoint const &position, std::vector< std::shared_ptr< EpochFootprint > > const &epochFootprintList, UnitTransformedLikelihoodControl const &ctrl)
Initialize a UnitTransformedLikelihood with data from multiple exposures.
A simple struct that combines a Wcs and a PhotoCalib.
Definition: UnitSystem.h:42