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LSST Data Management Base Package
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_boundedField.cc
Go to the documentation of this file.
1/*
2 * LSST Data Management System
3 * Copyright 2008-2016 AURA/LSST.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
22
23#include <pybind11/pybind11.h>
24#include <pybind11/stl.h>
25#include <lsst/utils/python.h>
26
27#include <memory>
28
29#include "ndarray/pybind11.h"
30
31#include "lsst/utils/python.h"
32
34#include "lsst/geom/Point.h"
36#include "lsst/afw/table/io/python.h" // for addPersistableMethods
37
38namespace py = pybind11;
39
40using namespace lsst::afw::math;
41using namespace py::literals;
42
43namespace lsst {
44namespace afw {
45namespace math {
46namespace {
47
48using PyClass = py::class_<BoundedField, std::shared_ptr<BoundedField>>;
49
50template <typename PixelT>
51void declareTemplates(PyClass &cls) {
52 cls.def("fillImage", &BoundedField::fillImage<PixelT>, "image"_a, "overlapOnly"_a = false, "xStep"_a = 1,
53 "yStep"_a = 1);
54 cls.def("addToImage", &BoundedField::addToImage<PixelT>, "image"_a, "scaleBy"_a = 1.0,
55 "overlapOnly"_a = false, "xStep"_a = 1, "yStep"_a = 1);
56 cls.def("multiplyImage", &BoundedField::multiplyImage<PixelT>, "image"_a, "overlapOnly"_a = false,
57 "xStep"_a = 1, "yStep"_a = 1);
58 cls.def("divideImage", &BoundedField::divideImage<PixelT>, "image"_a, "overlapOnly"_a = false,
59 "xStep"_a = 1, "yStep"_a = 1);
60}
61} // namespace
62void declareBoundedField(lsst::utils::python::WrapperCollection &wrappers) {
63 wrappers.wrapType(PyClass(wrappers.module, "BoundedField"), [](auto &mod, auto &cls) {
64 table::io::python::addPersistableMethods<BoundedField>(cls);
65
66 cls.def(
67 "__rmul__", [](BoundedField &bf, double const scale) { return bf * scale; },
68 py::is_operator());
69 cls.def("__mul__", &BoundedField::operator*, py::is_operator());
70 cls.def("__truediv__", &BoundedField::operator/, py::is_operator());
71 cls.def("__eq__", &BoundedField::operator==, py::is_operator());
72 cls.def("__ne__", &BoundedField::operator!=, py::is_operator());
73
74 cls.def("evaluate", (double (BoundedField::*)(double, double) const) & BoundedField::evaluate);
75 cls.def("evaluate", (ndarray::Array<double, 1, 1>(BoundedField::*)(
76 ndarray::Array<double const, 1> const &,
77 ndarray::Array<double const, 1> const &) const) &
79 cls.def("evaluate",
80 (double (BoundedField::*)(lsst::geom::Point2D const &) const) & BoundedField::evaluate);
81 cls.def("integrate", &BoundedField::integrate);
82 cls.def("mean", &BoundedField::mean);
83 cls.def("getBBox", &BoundedField::getBBox);
84
85 // Pybind11 resolves overloads by picking the first one that might work
86 declareTemplates<double>(cls);
87 declareTemplates<float>(cls);
88
89 utils::python::addOutputOp(cls, "__str__");
90 cls.def("__repr__", [](BoundedField const &self) {
92 os << "BoundedField(" << self << ")";
93 return os.str();
94 });
95 });
96}
97void wrapBoundedField(lsst::utils::python::WrapperCollection &wrappers) {
98 wrappers.addSignatureDependency("lsst.afw.table.io");
99 declareBoundedField(wrappers);
100}
101} // namespace math
102} // namespace afw
103} // namespace lsst
std::ostream * os
Definition Schema.cc:557
An abstract base class for 2-d functions defined on an integer bounding boxes.
lsst::geom::Box2I getBBox() const
Return the bounding box that defines the region where the field is valid.
virtual double integrate() const
Compute the integral of this function over its bounding-box.
virtual double mean() const
Compute the mean of this function over its bounding-box.
virtual double evaluate(lsst::geom::Point2D const &position) const =0
Evaluate the field at the given point.
void wrapBoundedField(lsst::utils::python::WrapperCollection &wrappers)
void declareBoundedField(lsst::utils::python::WrapperCollection &wrappers)
py::class_< PixelAreaBoundedField, std::shared_ptr< PixelAreaBoundedField >, BoundedField > PyClass