lsst.sphgeom 22.0.1-8-gfb2c8f9+f3d053c481
Mq3cPixelization.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 *
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16 * GNU General Public License for more details.
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21 */
22
23#ifndef LSST_SPHGEOM_MQ3CPIXELIZATION_H_
24#define LSST_SPHGEOM_MQ3CPIXELIZATION_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 static int level(uint64_t i);
59
65 static ConvexPolygon quad(uint64_t i);
66
74 static std::vector<uint64_t> neighborhood(uint64_t i);
75
88 static std::string asString(uint64_t i);
89
93 explicit Mq3cPixelization(int level);
94
96 int getLevel() const { return _level; }
97
98 RangeSet universe() const override {
99 return RangeSet(static_cast<uint64_t>(10) << 2 * _level,
100 static_cast<uint64_t>(16) << 2 * _level);
101 }
102
103 std::unique_ptr<Region> pixel(uint64_t i) const override;
104
105 uint64_t index(UnitVector3d const & v) const override;
106
107 std::string toString(uint64_t i) const override { return asString(i); }
108
109private:
110 int _level;
111
112 RangeSet _envelope(Region const & r, size_t maxRanges) const override;
113 RangeSet _interior(Region const & r, size_t maxRanges) const override;
114};
115
116}} // namespace lsst::sphgeom
117
118#endif // LSST_SPHGEOM_MQ3CPIXELIZATION_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: Mq3cPixelization.h:50
static int level(uint64_t i)
Definition: Mq3cPixelization.cc:236
static constexpr int MAX_LEVEL
The maximum supported cube-face grid resolution is 2^30 by 2^30.
Definition: Mq3cPixelization.h:53
RangeSet universe() const override
universe returns the set of all pixel indexes for this pixelization.
Definition: Mq3cPixelization.h:98
int getLevel() const
getLevel returns the subdivision level of this pixelization.
Definition: Mq3cPixelization.h:96
static ConvexPolygon quad(uint64_t i)
Definition: Mq3cPixelization.cc:250
std::string toString(uint64_t i) const override
toString converts the given pixel index to a human-readable string.
Definition: Mq3cPixelization.h:107
static std::string asString(uint64_t i)
Definition: Mq3cPixelization.cc:270
uint64_t index(UnitVector3d const &v) const override
index computes the index of the pixel for v.
Definition: Mq3cPixelization.cc:311
Mq3cPixelization(int level)
Definition: Mq3cPixelization.cc:292
static std::vector< uint64_t > neighborhood(uint64_t i)
Definition: Mq3cPixelization.cc:260
std::unique_ptr< Region > pixel(uint64_t i) const override
Definition: Mq3cPixelization.cc:299
Definition: Pixelization.h:77
Definition: RangeSet.h:99
Definition: Region.h:79
Definition: UnitVector3d.h:55