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LSST Data Management Base Package
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_photoCalib.cc
Go to the documentation of this file.
1/*
2 * This file is part of afw.
3 *
4 * Developed for the LSST Data Management System.
5 * This product includes software developed by the LSST Project
6 * (https://www.lsst.org).
7 * See the COPYRIGHT file at the top-level directory of this distribution
8 * for details of code ownership.
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 GNU General Public License
21 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 */
23
24#include "pybind11/pybind11.h"
25#include "pybind11/stl.h"
27
28#include <memory>
29
30#include "ndarray/pybind11.h"
31
33
37#include "lsst/afw/table/io/python.h" // for addPersistableMethods
40
41namespace py = pybind11;
42using namespace pybind11::literals;
43
44namespace lsst {
45namespace afw {
46namespace image {
47namespace {
48
49void declareMeasurement(lsst::cpputils::python::WrapperCollection &wrappers) {
50 wrappers.wrapType(py::classh<Measurement>(wrappers.module, "Measurement"),
51 [](auto &mod, auto &cls) {
52 cls.def(py::init<double, double>(), "value"_a, "error"_a);
53 cls.def_readonly("value", &Measurement::value);
54 cls.def_readonly("error", &Measurement::error);
55
56 cpputils::python::addOutputOp(cls, "__str__");
57 cls.def("__repr__", [](Measurement const &self) {
58 std::ostringstream os;
59 os << "Measurement(" << self << ")";
60 return os.str();
61 });
62 });
63}
64
65void declarePhotoCalib(lsst::cpputils::python::WrapperCollection &wrappers) {
66 wrappers.wrapType(
67 py::classh<PhotoCalib, typehandling::Storable>(wrappers.module,
68 "PhotoCalib"),
69 [](auto &mod, auto &cls) {
70 /* Constructors */
71 cls.def(py::init<>());
72 cls.def(py::init<double, double, lsst::geom::Box2I>(), "calibrationMean"_a,
73 "calibrationErr"_a = 0.0, "bbox"_a = lsst::geom::Box2I());
74 cls.def(py::init<std::shared_ptr<afw::math::BoundedField>, double>(), "calibration"_a,
75 "calibrationErr"_a = 0.0);
76 cls.def(py::init<double, double, std::shared_ptr<afw::math::BoundedField>, bool>(),
77 "calibrationMean"_a, "calibrationErr"_a, "calibration"_a, "isConstant"_a);
78
79 table::io::python::addPersistableMethods<PhotoCalib>(cls);
80
81 /* Members - nanojansky */
82 cls.def("instFluxToNanojansky",
83 (double(PhotoCalib::*)(double, lsst::geom::Point<double, 2> const &) const) &
84 PhotoCalib::instFluxToNanojansky,
85 "instFlux"_a, "point"_a);
86 cls.def("instFluxToNanojansky",
87 (double(PhotoCalib::*)(double) const) & PhotoCalib::instFluxToNanojansky,
88 "instFlux"_a);
89
90 cls.def("instFluxToNanojansky",
91 (Measurement(PhotoCalib::*)(double, double, lsst::geom::Point<double, 2> const &)
92 const) &
93 PhotoCalib::instFluxToNanojansky,
94 "instFlux"_a, "instFluxErr"_a, "point"_a);
95 cls.def("instFluxToNanojansky",
96 (Measurement(PhotoCalib::*)(double, double) const) & PhotoCalib::instFluxToNanojansky,
97 "instFlux"_a, "instFluxErr"_a);
98
99 cls.def("instFluxToNanojansky",
100 (Measurement(PhotoCalib::*)(afw::table::SourceRecord const &, std::string const &)
101 const) &
102 PhotoCalib::instFluxToNanojansky,
103 "sourceRecord"_a, "instFluxField"_a);
104
105 cls.def("instFluxToNanojansky",
106 (ndarray::Array<double, 2, 2>(PhotoCalib::*)(afw::table::SourceCatalog const &,
107 std::string const &) const) &
108 PhotoCalib::instFluxToNanojansky,
109 "sourceCatalog"_a, "instFluxField"_a);
110
111 cls.def("instFluxToNanojansky",
112 (void(PhotoCalib::*)(afw::table::SourceCatalog &, std::string const &,
113 std::string const &) const) &
114 PhotoCalib::instFluxToNanojansky,
115 "sourceCatalog"_a, "instFluxField"_a, "outField"_a);
116
117 /* Members - magnitudes */
118 cls.def("instFluxToMagnitude",
119 (double(PhotoCalib::*)(double, lsst::geom::Point<double, 2> const &) const) &
120 PhotoCalib::instFluxToMagnitude,
121 "instFlux"_a, "point"_a);
122 cls.def("instFluxToMagnitude",
123 (double(PhotoCalib::*)(double) const) & PhotoCalib::instFluxToMagnitude,
124 "instFlux"_a);
125
126 cls.def("instFluxToMagnitude",
127 (Measurement(PhotoCalib::*)(double, double, lsst::geom::Point<double, 2> const &)
128 const) &
129 PhotoCalib::instFluxToMagnitude,
130 "instFlux"_a, "instFluxErr"_a, "point"_a);
131 cls.def("instFluxToMagnitude",
132 (Measurement(PhotoCalib::*)(double, double) const) & PhotoCalib::instFluxToMagnitude,
133 "instFlux"_a, "instFluxErr"_a);
134
135 cls.def("instFluxToMagnitude",
136 (Measurement(PhotoCalib::*)(afw::table::SourceRecord const &, std::string const &)
137 const) &
138 PhotoCalib::instFluxToMagnitude,
139 "sourceRecord"_a, "instFluxField"_a);
140
141 cls.def("instFluxToMagnitude",
142 (ndarray::Array<double, 2, 2>(PhotoCalib::*)(afw::table::SourceCatalog const &,
143 std::string const &) const) &
144 PhotoCalib::instFluxToMagnitude,
145 "sourceCatalog"_a, "instFluxField"_a);
146
147 cls.def("instFluxToMagnitude",
148 (void(PhotoCalib::*)(afw::table::SourceCatalog &, std::string const &,
149 std::string const &) const) &
150 PhotoCalib::instFluxToMagnitude,
151 "sourceCatalog"_a, "instFluxField"_a, "outField"_a);
152
153 /* from magnitude. */
154 cls.def("magnitudeToInstFlux",
155 py::overload_cast<double, lsst::geom::Point<double, 2> const &>(
156 &PhotoCalib::magnitudeToInstFlux, py::const_),
157 "magnitude"_a, "point"_a);
158 cls.def("magnitudeToInstFlux",
159 py::overload_cast<double>(&PhotoCalib::magnitudeToInstFlux, py::const_),
160 "magnitude"_a);
161
162 /* from nanojansky. */
163 cls.def("nanojanskyToInstFlux",
164 py::overload_cast<double, lsst::geom::Point<double, 2> const &>(
165 &PhotoCalib::nanojanskyToInstFlux, py::const_),
166 "nanojansky"_a, "point"_a);
167 cls.def("nanojanskyToInstFlux",
168 py::overload_cast<double>(&PhotoCalib::nanojanskyToInstFlux, py::const_),
169 "nanojansky"_a);
170
171 /* utilities */
172 cls.def("getCalibrationMean", &PhotoCalib::getCalibrationMean);
173 cls.def("getCalibrationErr", &PhotoCalib::getCalibrationErr);
174 cls.def_property_readonly("_isConstant", &PhotoCalib::isConstant);
175 cls.def("getInstFluxAtZeroMagnitude", &PhotoCalib::getInstFluxAtZeroMagnitude);
176 cls.def("getLocalCalibration", &PhotoCalib::getLocalCalibration, "point"_a);
177
178 cls.def("computeScaledCalibration", &PhotoCalib::computeScaledCalibration);
179 cls.def("computeScalingTo", &PhotoCalib::computeScalingTo);
180
181 // TODO[DM-49400]: remove the '_' prefixes on the methods below
182 // and their wrappers in `_photCalibContinued.py`.
183 cls.def(
184 "_calibrateImage",
185 py::overload_cast<MaskedImage<float> const &>(&PhotoCalib::calibrateImage, py::const_),
186 "maskedImage"_a
187 );
188 cls.def(
189 "_uncalibrateImage",
190 py::overload_cast<MaskedImage<float> const &>(&PhotoCalib::uncalibrateImage, py::const_),
191 "maskedImage"_a
192 );
193
194 cls.def("calibrateCatalog",
195 py::overload_cast<afw::table::SourceCatalog const &,
196 std::vector<std::string> const &>(&PhotoCalib::calibrateCatalog,
197 py::const_),
198 "maskedImage"_a, "fluxFields"_a);
199 cls.def("calibrateCatalog",
200 py::overload_cast<afw::table::SourceCatalog const &>(&PhotoCalib::calibrateCatalog,
201 py::const_),
202 "maskedImage"_a);
203
204 /* Operators */
205 cls.def("__eq__", &PhotoCalib::operator==, py::is_operator());
206 cls.def("__ne__", &PhotoCalib::operator!=, py::is_operator());
207 cpputils::python::addOutputOp(cls, "__str__");
208 cls.def("__repr__", [](PhotoCalib const &self) {
209 std::ostringstream os;
210 os << "PhotoCalib(" << self << ")";
211 return os.str();
212 });
213 });
214}
215
216void declareCalib(lsst::cpputils::python::WrapperCollection &wrappers) {
217 wrappers.wrap([](auto &mod) {
218 /* Utility functions */
219 mod.def("makePhotoCalibFromMetadata",
220 py::overload_cast<daf::base::PropertySet &, bool>(makePhotoCalibFromMetadata), "metadata"_a,
221 "strip"_a = false);
222 mod.def("makePhotoCalibFromCalibZeroPoint",
223 py::overload_cast<double, double>(makePhotoCalibFromCalibZeroPoint), "instFluxMag0"_a,
224 "instFluxMag0Err"_a = false);
225 });
226}
227} // namespace
229 wrappers.addInheritanceDependency("lsst.afw.typehandling");
230 declareMeasurement(wrappers);
231 declarePhotoCalib(wrappers);
232 declareCalib(wrappers);
233}
234} // namespace image
235} // namespace afw
236} // namespace lsst
Implementation of the Photometric Calibration class.
A helper class for subdividing pybind11 module across multiple translation units (i....
Definition python.h:242
void wrap(WrapperCallback function)
Add a set of wrappers without defining a class.
Definition python.h:369
void addInheritanceDependency(std::string const &name)
Indicate an external module that provides a base class for a subsequent addType call.
Definition python.h:343
PyType wrapType(PyType cls, ClassWrapperCallback function, bool setModuleName=true)
Add a type (class or enum) wrapper, deferring method and other attribute definitions until finish() i...
Definition python.h:391
pybind11::module module
The module object passed to the PYBIND11_MODULE block that contains this WrapperCollection.
Definition python.h:448
void wrapPhotoCalib(lsst::cpputils::python::WrapperCollection &)