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LSST Data Management Base Package
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_q3cPixelization.cc
Go to the documentation of this file.
1/*
2 * This file is part of sphgeom.
3 *
4 * Developed for the LSST Data Management System.
5 * This product includes software developed by the LSST Project
6 * (http://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 software is dual licensed under the GNU General Public License and also
11 * under a 3-clause BSD license. Recipients may choose which of these licenses
12 * to use; please see the files gpl-3.0.txt and/or bsd_license.txt,
13 * respectively. If you choose the GPL option then the following text applies
14 * (but note that there is still no warranty even if you opt for BSD instead):
15 *
16 * This program is free software: you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation, either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 */
29#include "pybind11/pybind11.h"
30
31#include "lsst/sphgeom/python.h"
32
34
35namespace py = pybind11;
36using namespace pybind11::literals;
37
38namespace lsst {
39namespace sphgeom {
40
41template <>
42void defineClass(py::classh<Q3cPixelization, Pixelization> &cls) {
43 cls.attr("MAX_LEVEL") = py::int_(Q3cPixelization::MAX_LEVEL);
44
45 cls.def(py::init<int>(), "level"_a);
46 cls.def(py::init<Q3cPixelization const &>(), "q3cPixelization"_a);
47
48 cls.def("getLevel", &Q3cPixelization::getLevel);
49 cls.def("quad", &Q3cPixelization::quad);
50 cls.def("neighborhood", &Q3cPixelization::neighborhood);
51
52 cls.def("__eq__",
53 [](Q3cPixelization const &self, Q3cPixelization const &other) {
54 return self.getLevel() == other.getLevel();
55 });
56 cls.def("__ne__",
57 [](Q3cPixelization const &self, Q3cPixelization const &other) {
58 return self.getLevel() != other.getLevel();
59 });
60 cls.def("__repr__", [](Q3cPixelization const &self) {
61 return py::str("Q3cPixelization({!s})").format(self.getLevel());
62 });
63 cls.def("__reduce__", [cls](Q3cPixelization const &self) {
64 return py::make_tuple(cls, py::make_tuple(self.getLevel()));
65 });
66}
67
68} // sphgeom
69} // lsst
This file declares a Pixelization subclass for the Q3C indexing scheme.
Q3cPixelization provides Q3C indexing of points and regions.
ConvexPolygon quad(std::uint64_t i) const
quad returns the quadrilateral corresponding to the Q3C pixel with index i.
int getLevel() const
getLevel returns the subdivision level of this pixelization.
static constexpr int MAX_LEVEL
The maximum supported cube-face grid resolution is 2^30 by 2^30.
std::vector< std::uint64_t > neighborhood(std::uint64_t i) const
neighborhood returns the indexes of all pixels that share a vertex with pixel i (including i itself).
void defineClass(Pybind11Class &cls)