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Revision 32fed3b78a44c0d9bf3bf4d256d88ef97f15bdf7 authored by Eric Fischer on 28 June 2016, 22:27:19 UTC, committed by Eric Fischer on 28 June 2016, 22:29:37 UTC 
Add the CRS to the tippecanoe-decode output if nonstandard
1 parent 5d06f01
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projection.hpp 
void lonlat2tile(double lon, double lat, int zoom, long long *x, long long *y);
void epsg3857totile(double ix, double iy, int zoom, long long *x, long long *y);
void tile2lonlat(long long x, long long y, int zoom, double *lon, double *lat);
void tiletoepsg3857(long long x, long long y, int zoom, double *ox, double *oy);
unsigned long long encode(unsigned int wx, unsigned int wy);
void decode(unsigned long long index, unsigned *wx, unsigned *wy);
void set_projection_or_exit(const char *optarg);

struct projection {
	const char *name;
	void (*project)(double ix, double iy, int zoom, long long *ox, long long *oy);
	void (*unproject)(long long ix, long long iy, int zoom, double *ox, double *oy);
	const char *alias;
};

extern struct projection *projection;
extern struct projection projections[];
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