Files
tippecanoe/tile.h
T
Eric Fischer 08ff40e42f Trying to follow Vlad's suggestion and work from the top down.
Doesn't quite work yet, but seems like the right thing to do.
From the bottom up, indexing is a mess because of the buffering,
and includes unneeded areas in the bounding boxes of big features.
2014-12-03 16:18:43 -08:00

40 lines
1.4 KiB
C

#define VT_POINT 1
#define VT_LINE 2
#define VT_POLYGON 3
#define VT_END 0
#define VT_MOVETO 1
#define VT_LINETO 2
#define VT_CLOSEPATH 7
#define VT_STRING 1
#define VT_NUMBER 2
#define VT_BOOLEAN 7
struct pool;
struct json_pull;
void serialize_int(FILE *out, int n, long long *fpos, const char *fname, struct json_pull *source);
void serialize_long_long(FILE *out, long long n, long long *fpos, const char *fname, struct json_pull *source);
void serialize_byte(FILE *out, signed char n, long long *fpos, const char *fname, struct json_pull *source);
void serialize_uint(FILE *out, unsigned n, long long *fpos, const char *fname, struct json_pull *source);
void serialize_string(FILE *out, const char *s, long long *fpos, const char *fname, struct json_pull *source);
void deserialize_int(char **f, int *n);
void deserialize_long_long(char **f, long long *n);
void deserialize_uint(char **f, unsigned *n);
void deserialize_byte(char **f, signed char *n);
struct pool_val *deserialize_string(char **f, struct pool *p, int type);
struct index {
unsigned long long index;
long long fpos : 44;
int maxzoom : 6;
int minzoom : 6;
int type : 7;
int candup : 1;
};
long long write_tile(char **geom, char *metabase, unsigned *file_bbox, int z, unsigned x, unsigned y, int detail, int basezoom, struct pool *file_keys, const char *layername, sqlite3 *outdb, double droprate, int buffer, const char *fname, struct json_pull *jp, FILE *geomfile);