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LSST Data Management Base Package
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_Interval.cc
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1/*
2 * Developed for the LSST Data Management System.
3 * This product includes software developed by the LSST Project
4 * (https://www.lsst.org).
5 * See the COPYRIGHT file at the top-level directory of this distribution
6 * for details of code ownership.
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 GNU General Public License
19 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 */
21
22#include "pybind11/pybind11.h"
23#include "pybind11/stl.h"
24#include "pybind11/numpy.h"
25#include "ndarray/pybind11.h"
26
27#include "lsst/geom/Interval.h"
29
30namespace py = pybind11;
31using namespace py::literals;
32
33namespace lsst {
34namespace geom {
35
36namespace {
37
38template <typename PyClass>
39void declareCommonIntervalInterface(PyClass &cls) {
40 using T = typename PyClass::type;
41 using Element = typename T::Element;
42 cls.def(py::init<>());
43 // It's not clear why py::overload cast doesn't work for the next two
44 // declarations - maybe the templated context matters?
45 cls.def_static("fromSpannedPoints", [](ndarray::Array<Element const, 1> const &elements) {
46 return T::fromSpannedPoints(elements);
47 });
48 cls.def_static("fromSpannedPoints",
49 [](std::vector<Element> const &elements) { return T::fromSpannedPoints(elements); });
50 cls.def(py::init([](py::kwargs kw) -> T {
51 if (kw.size() == 2) {
52 if (kw.contains("min")) {
53 if (kw.contains("max")) {
54 return T::fromMinMax(py::cast<Element>(kw["min"]), py::cast<Element>(kw["max"]));
55 }
56 if (kw.contains("size")) {
57 return T::fromMinSize(py::cast<Element>(kw["min"]), py::cast<Element>(kw["size"]));
58 }
59 }
60 if (kw.contains("max") && kw.contains("size")) {
61 return T::fromMaxSize(py::cast<Element>(kw["max"]), py::cast<Element>(kw["size"]));
62 }
63 if (kw.contains("center") && kw.contains("size")) {
64 return T::fromCenterSize(py::cast<Element>(kw["center"]), py::cast<Element>(kw["size"]));
65 }
66 }
67 PyErr_SetString(PyExc_TypeError,
68 "General constructor requires one of the following keyword-only "
69 "argument pairs: (min, max), (center, size), (min, size), (max, size).");
70 throw py::error_already_set();
71 }));
72 cls.def(py::init<T const &>());
73 cls.def("__eq__", [](T const &self, T const &other) { return self == other; }, py::is_operator());
74 cls.def("__ne__", [](T const &self, T const &other) { return self != other; }, py::is_operator());
75 cls.def("getMin", &T::getMin);
76 cls.def_property_readonly("min", &T::getMin);
77 cls.def("getMax", &T::getMax);
78 cls.def_property_readonly("max", &T::getMax);
79 cls.def("getSize", &T::getSize);
80 cls.def_property_readonly("size", &T::getSize);
81 cls.def("isEmpty", &T::isEmpty);
82 cls.def("contains", py::overload_cast<T const &>(&T::contains, py::const_));
83 cls.def("contains", py::vectorize(static_cast<bool (T::*)(Element) const>(&T::contains)));
84 cls.def("__contains__", py::overload_cast<Element>(&T::contains, py::const_));
85 cls.def("__contains__", py::overload_cast<T const &>(&T::contains, py::const_));
86 cls.def("overlaps", &T::overlaps);
87 cls.def("intersects", &T::intersects);
88 cls.def("isDisjointFrom", &T::isDisjointFrom);
89 cls.def("dilatedBy", &T::dilatedBy);
90 cls.def("erodedBy", &T::erodedBy);
91 cls.def("shiftedBy", &T::shiftedBy);
92 cls.def("reflectedAbout", &T::reflectedAbout);
93 cls.def("expandedTo", py::overload_cast<Element>(&T::expandedTo, py::const_));
94 cls.def("expandedTo", py::overload_cast<T const &>(&T::expandedTo, py::const_));
95 cls.def("clippedTo", &T::clippedTo);
96 cls.def("__str__", &T::toString);
97 cpputils::python::addOutputOp(cls, "__repr__");
98 cls.def("__reduce__", [cls](IntervalD const &self) {
99 return py::make_tuple(cls, make_tuple(py::cast(self.getMin()), py::cast(self.getMax())));
100 });
101}
102
103} // namespace
104
106 wrappers.wrapType(py::classh<IntervalI>(wrappers.module, "IntervalI"),
107 [](auto &mod, auto &cls) {
108 py::enum_<IntervalI::EdgeHandlingEnum>(cls, "EdgeHandlingEnum")
109 .value("EXPAND", IntervalI::EdgeHandlingEnum::EXPAND)
110 .value("SHRINK", IntervalI::EdgeHandlingEnum::SHRINK);
111 cls.def(py::init<IntervalD const &, IntervalI::EdgeHandlingEnum>(), "other"_a,
112 "edgeHandling"_a = IntervalI::EdgeHandlingEnum::EXPAND);
113 cls.def("getBegin", &IntervalI::getBegin);
114 cls.def_property_readonly("begin", &IntervalI::getBegin);
115 cls.def("getEnd", &IntervalI::getEnd);
116 cls.def_property_readonly("end", &IntervalI::getEnd);
117 declareCommonIntervalInterface(cls);
118 });
119
120 wrappers.wrapType(py::classh<IntervalD>(wrappers.module, "IntervalD"),
121 [](auto &mod, auto &cls) {
122 cls.def(py::init<IntervalI const &>());
123 cls.def("getCenter", &IntervalD::getCenter);
124 cls.def_property_readonly("center", &IntervalD::getCenter);
125 cls.def("isFinite", &IntervalD::isFinite);
126 declareCommonIntervalInterface(cls);
127 });
128}
129
130} // namespace geom
131} // namespace lsst
A helper class for subdividing pybind11 module across multiple translation units (i....
Definition python.h:242
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
A floating-point coordinate rectangle geometry.
Definition Interval.h:413
T make_tuple(T... args)
void addOutputOp(PyClass &cls, std::string const &method)
Add __str__ or __repr__ method implemented by operator<<.
Definition python.h:87
void wrapInterval(WrapperCollection &wrappers)
Definition _Interval.cc:105