mvt.c File Reference

#include "mvt.h"
#include "utils/jsonb.h"
#include "uthash.h"

Include dependency graph for mvt.c:

Go to the source code of this file.

Data Structures
struct	mvt_kv_key
struct	mvt_kv_string_value
struct	mvt_kv_float_value
struct	mvt_kv_double_value
struct	mvt_kv_uint_value
struct	mvt_kv_sint_value
struct	mvt_kv_bool_value

Macros
#define	DatumGetJsonbP   DatumGetJsonb
#define	FEATURES_CAPACITY_INITIAL   50
#define	MVT_CREATE_VALUES(kvtype, hash, hasfield, valuefield)
#define	MVT_PARSE_VALUE(value, kvtype, hash, valuefield, size)
#define	MVT_PARSE_INT_VALUE(value)
#define	MVT_PARSE_DATUM(type, kvtype, hash, valuefield, datumfunc, size)
#define	MVT_PARSE_INT_DATUM(type, datumfunc)

Enumerations
enum	mvt_cmd_id { CMD_MOVE_TO = 1, CMD_LINE_TO = 2, CMD_CLOSE_PATH = 7 }
enum	mvt_type { MVT_POINT = 1, MVT_LINE = 2, MVT_RING = 3 }

Functions
static uint32_t	c_int (enum mvt_cmd_id id, uint32_t count)
static uint32_t	p_int (int32_t value)
static uint32_t	encode_ptarray (struct mvt_agg_context *ctx, enum mvt_type type, POINTARRAY *pa, uint32_t *buffer, int32_t *px, int32_t *py)
static uint32_t	encode_ptarray_initial (struct mvt_agg_context *ctx, enum mvt_type type, POINTARRAY *pa, uint32_t *buffer)
static void	encode_point (struct mvt_agg_context *ctx, LWPOINT *point)
static void	encode_mpoint (struct mvt_agg_context *ctx, LWMPOINT *mpoint)
static void	encode_line (struct mvt_agg_context *ctx, LWLINE *lwline)
static void	encode_mline (struct mvt_agg_context *ctx, LWMLINE *lwmline)
static void	encode_poly (struct mvt_agg_context *ctx, LWPOLY *lwpoly)
static void	encode_mpoly (struct mvt_agg_context *ctx, LWMPOLY *lwmpoly)
static void	encode_geometry (struct mvt_agg_context *ctx, LWGEOM *lwgeom)
static TupleDesc	get_tuple_desc (struct mvt_agg_context *ctx)
static uint32_t	get_key_index (struct mvt_agg_context *ctx, char *name)
static uint32_t	add_key (struct mvt_agg_context *ctx, char *name)
static void	parse_column_keys (struct mvt_agg_context *ctx)
static void	encode_keys (struct mvt_agg_context *ctx)
static VectorTile__Tile__Value *	create_value ()
static void	encode_values (struct mvt_agg_context *ctx)
static void	add_value_as_string (struct mvt_agg_context *ctx, char *value, uint32_t *tags, uint32_t k)
static void	parse_datum_as_string (struct mvt_agg_context *ctx, Oid typoid, Datum datum, uint32_t *tags, uint32_t k)
static uint32_t *	parse_jsonb (struct mvt_agg_context *ctx, Jsonb *jb, uint32_t *tags)
static void	parse_values (struct mvt_agg_context *ctx)
static uint8	lwgeom_get_basic_type (LWGEOM *geom)
static LWGEOM *	lwgeom_to_basic_type (LWGEOM *geom, uint8 original_type)
	In place process a collection to find a concrete geometry object and expose that as the actual object. More...
LWGEOM *	mvt_geom (const LWGEOM *lwgeom, const GBOX *gbox, uint32_t extent, uint32_t buffer, bool clip_geom)
	Transform a geometry into vector tile coordinate space. More...
void	mvt_agg_init_context (struct mvt_agg_context *ctx)
	Initialize aggregation context. More...
void	mvt_agg_transfn (struct mvt_agg_context *ctx)
	Aggregation step. More...
uint8_t *	mvt_agg_finalfn (struct mvt_agg_context *ctx)
	Finalize aggregation. More...