LSSTApplications  17.0+11,17.0+34,17.0+56,17.0+57,17.0+59,17.0+7,17.0-1-g377950a+33,17.0.1-1-g114240f+2,17.0.1-1-g4d4fbc4+28,17.0.1-1-g55520dc+49,17.0.1-1-g5f4ed7e+52,17.0.1-1-g6dd7d69+17,17.0.1-1-g8de6c91+11,17.0.1-1-gb9095d2+7,17.0.1-1-ge9fec5e+5,17.0.1-1-gf4e0155+55,17.0.1-1-gfc65f5f+50,17.0.1-1-gfc6fb1f+20,17.0.1-10-g87f9f3f+1,17.0.1-11-ge9de802+16,17.0.1-16-ga14f7d5c+4,17.0.1-17-gc79d625+1,17.0.1-17-gdae4c4a+8,17.0.1-2-g26618f5+29,17.0.1-2-g54f2ebc+9,17.0.1-2-gf403422+1,17.0.1-20-g2ca2f74+6,17.0.1-23-gf3eadeb7+1,17.0.1-3-g7e86b59+39,17.0.1-3-gb5ca14a,17.0.1-3-gd08d533+40,17.0.1-30-g596af8797,17.0.1-4-g59d126d+4,17.0.1-4-gc69c472+5,17.0.1-6-g5afd9b9+4,17.0.1-7-g35889ee+1,17.0.1-7-gc7c8782+18,17.0.1-9-gc4bbfb2+3,w.2019.22
LSSTDataManagementBasePackage
SpatialModelPsf.h
Go to the documentation of this file.
1 // -*- LSST-C++ -*-
2 #if !defined(LSST_MEAS_ALGORITHMS_SPATIALMODELPSF_H)
3 #define LSST_MEAS_ALGORITHMS_SPATIALMODELPSF_H
4 
5 /*
6  * LSST Data Management System
7  * Copyright 2008, 2009, 2010 LSST Corporation.
8  *
9  * This product includes software developed by the
10  * LSST Project (http://www.lsst.org/).
11  *
12  * This program is free software: you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation, either version 3 of the License, or
15  * (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the LSST License Statement and
23  * the GNU General Public License along with this program. If not,
24  * see <http://www.lsstcorp.org/LegalNotices/>.
25  */
26 
34 #include <memory>
35 #include <utility>
36 #include <vector>
37 
38 #include "lsst/afw.h"
39 #include "lsst/pex/policy.h"
40 #include "lsst/geom/Point.h"
41 #include "lsst/afw/detection/Psf.h"
42 #include "lsst/afw/math/Kernel.h"
44 
45 namespace lsst {
46 namespace meas {
47 namespace algorithms {
48 
49 template <typename PixelT>
51 createKernelFromPsfCandidates(afw::math::SpatialCellSet const& psfCells, geom::Extent2I const& dims,
52  geom::Point2I const& xy0, int const nEigenComponents, int const spatialOrder,
53  int const ksize, int const nStarPerCell = -1, bool const constantWeight = true,
54  int const border = 3);
55 
56 template <typename PixelT>
57 int countPsfCandidates(afw::math::SpatialCellSet const& psfCells, int const nStarPerCell = -1);
58 
59 template <typename PixelT>
61  afw::math::SpatialCellSet const& psfCells,
62  int const nStarPerCell = -1,
63  double const tolerance = 1e-5,
64  double const lambda = 0.0);
65 template <typename PixelT>
67  afw::math::Kernel* kernel, afw::math::SpatialCellSet const& psfCells, bool const doNonLinearFit,
68  int const nStarPerCell = -1, double const tolerance = 1e-5, double const lambda = 0.0);
69 
70 template <typename ImageT>
71 double subtractPsf(afw::detection::Psf const& psf, ImageT* data, double x, double y,
73 
74 template <typename Image>
76  afw::math::LinearCombinationKernel const& kernel, Image const& image, geom::Point2D const& pos);
77 
78 template <typename Image>
80  afw::math::LinearCombinationKernel const& kernel, Image const& image, geom::Point2D const& pos);
81 
82 } // namespace algorithms
83 } // namespace meas
84 } // namespace lsst
85 
86 #endif
double subtractPsf(afw::detection::Psf const &psf, ImageT *data, double x, double y, double psfFlux=std::numeric_limits< double >::quiet_NaN())
std::pair< std::shared_ptr< afw::math::Kernel >, std::pair< double, double > > fitKernelToImage(afw::math::LinearCombinationKernel const &kernel, Image const &image, geom::Point2D const &pos)
Fit a LinearCombinationKernel to an Image, allowing the coefficients of the components to vary...
int countPsfCandidates(afw::math::SpatialCellSet const &psfCells, int const nStarPerCell=-1)
Count the number of candidates in use.
int y
Definition: SpanSet.cc:49
Point< double, 2 > Point2D
Definition: Point.h:324
std::pair< bool, double > fitSpatialKernelFromPsfCandidates(afw::math::Kernel *kernel, afw::math::SpatialCellSet const &psfCells, int const nStarPerCell=-1, double const tolerance=1e-5, double const lambda=0.0)
Fit spatial kernel using full-nonlinear optimization to estimate candidate amplitudes.
A base class for image defects.
char * data
Definition: BaseRecord.cc:62
Point< int, 2 > Point2I
Definition: Point.h:321
double x
Extent< int, 2 > Extent2I
Definition: Extent.h:397
std::vector< std::shared_ptr< Kernel > > KernelList
Definition: Kernel.h:500
std::pair< std::shared_ptr< afw::math::LinearCombinationKernel >, std::vector< double > > createKernelFromPsfCandidates(afw::math::SpatialCellSet const &psfCells, geom::Extent2I const &dims, geom::Point2I const &xy0, int const nEigenComponents, int const spatialOrder, int const ksize, int const nStarPerCell=-1, bool const constantWeight=true, int const border=3)
Return a Kernel pointer and a list of eigenvalues resulting from analysing the provided SpatialCellSe...
Backwards-compatibility support for depersisting the old Calib (FluxMag0/FluxMag0Err) objects...
std::pair< std::vector< double >, afw::math::KernelList > fitKernelParamsToImage(afw::math::LinearCombinationKernel const &kernel, Image const &image, geom::Point2D const &pos)
Fit a LinearCombinationKernel to an Image, allowing the coefficients of the components to vary...