lsst.sphgeom gb1ff1c2c53+62d12e78cb
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Q3cPixelization.h
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1/*
2 * LSST Data Management System
3 * Copyright 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#ifndef LSST_SPHGEOM_Q3CPIXELIZATION_H_
24#define LSST_SPHGEOM_Q3CPIXELIZATION_H_
25
29
30#include <cstdint>
31#include <vector>
32
33#include "ConvexPolygon.h"
34#include "Pixelization.h"
35
36
37namespace lsst {
38namespace sphgeom {
39
51public:
53 static constexpr int MAX_LEVEL = 30;
54
58 explicit Q3cPixelization(int level);
59
61 int getLevel() const { return _level; }
62
67 ConvexPolygon quad(uint64_t i) const;
68
75 std::vector<uint64_t> neighborhood(uint64_t i) const;
76
77 RangeSet universe() const override {
78 return RangeSet(0, static_cast<uint64_t>(6) << 2 * _level);
79 }
80
81 std::unique_ptr<Region> pixel(uint64_t i) const override;
82
83 uint64_t index(UnitVector3d const & v) const override;
84
95 std::string toString(uint64_t i) const override;
96
97private:
98 int _level;
99
100 RangeSet _envelope(Region const & r, size_t maxRanges) const override;
101 RangeSet _interior(Region const & r, size_t maxRanges) const override;
102};
103
104}} // namespace lsst::sphgeom
105
106#endif // LSST_SPHGEOM_Q3CPIXELIZATION_H_
This file declares a class for representing convex polygons with great circle edges on the unit spher...
This file defines an interface for pixelizations of the sphere.
Definition: ConvexPolygon.h:57
Definition: Pixelization.h:77
Definition: Q3cPixelization.h:50
std::string toString(uint64_t i) const override
Definition: Q3cPixelization.cc:280
RangeSet universe() const override
universe returns the set of all pixel indexes for this pixelization.
Definition: Q3cPixelization.h:77
int getLevel() const
getLevel returns the subdivision level of this pixelization.
Definition: Q3cPixelization.h:61
uint64_t index(UnitVector3d const &v) const override
index computes the index of the pixel for v.
Definition: Q3cPixelization.cc:312
std::vector< uint64_t > neighborhood(uint64_t i) const
Definition: Q3cPixelization.cc:271
static constexpr int MAX_LEVEL
The maximum supported cube-face grid resolution is 2^30 by 2^30.
Definition: Q3cPixelization.h:53
ConvexPolygon quad(uint64_t i) const
Definition: Q3cPixelization.cc:262
std::unique_ptr< Region > pixel(uint64_t i) const override
Definition: Q3cPixelization.cc:301
Definition: RangeSet.h:99
Definition: Region.h:79
Definition: UnitVector3d.h:55