2017-07-14 23:56:23 +00:00
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#ifndef PROJECTION_HPP
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#define PROJECTION_HPP
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2016-06-01 22:49:41 +00:00
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void lonlat2tile(double lon, double lat, int zoom, long long *x, long long *y);
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void epsg3857totile(double ix, double iy, int zoom, long long *x, long long *y);
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void tile2lonlat(long long x, long long y, int zoom, double *lon, double *lat);
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2016-06-28 22:18:27 +00:00
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void tiletoepsg3857(long long x, long long y, int zoom, double *ox, double *oy);
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void set_projection_or_exit(const char *optarg);
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2016-06-01 23:55:52 +00:00
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struct projection {
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const char *name;
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void (*project)(double ix, double iy, int zoom, long long *ox, long long *oy);
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2016-06-28 22:18:27 +00:00
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void (*unproject)(long long ix, long long iy, int zoom, double *ox, double *oy);
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2016-06-01 23:55:52 +00:00
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const char *alias;
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};
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extern struct projection *projection;
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2016-06-28 22:18:27 +00:00
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extern struct projection projections[];
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2017-07-14 23:56:23 +00:00
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2018-12-12 18:49:53 +00:00
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extern unsigned long long (*encode_index)(unsigned int wx, unsigned int wy);
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extern void (*decode_index)(unsigned long long index, unsigned *wx, unsigned *wy);
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unsigned long long encode_quadkey(unsigned int wx, unsigned int wy);
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void decode_quadkey(unsigned long long index, unsigned *wx, unsigned *wy);
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unsigned long long encode_hilbert(unsigned int wx, unsigned int wy);
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void decode_hilbert(unsigned long long index, unsigned *wx, unsigned *wy);
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2017-07-14 23:56:23 +00:00
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#endif
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