PostGIS  2.5.0dev-r@@SVN_REVISION@@
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


#define DatumGetJsonbP   DatumGetJsonb
#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)


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 }


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 (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 (mvt_agg_context *ctx, enum mvt_type type, POINTARRAY *pa, uint32_t *buffer)
static void encode_point (mvt_agg_context *ctx, LWPOINT *point)
static void encode_mpoint (mvt_agg_context *ctx, LWMPOINT *mpoint)
static void encode_line (mvt_agg_context *ctx, LWLINE *lwline)
static void encode_mline (mvt_agg_context *ctx, LWMLINE *lwmline)
static void encode_poly (mvt_agg_context *ctx, LWPOLY *lwpoly)
static void encode_mpoly (mvt_agg_context *ctx, LWMPOLY *lwmpoly)
static void encode_geometry (mvt_agg_context *ctx, LWGEOM *lwgeom)
static TupleDesc get_tuple_desc (mvt_agg_context *ctx)
static uint32_t get_key_index (mvt_agg_context *ctx, char *name)
static uint32_t add_key (mvt_agg_context *ctx, char *name)
static void parse_column_keys (mvt_agg_context *ctx)
static void encode_keys (mvt_agg_context *ctx)
static VectorTile__Tile__Value * create_value ()
static void encode_values (mvt_agg_context *ctx)
static void add_value_as_string (mvt_agg_context *ctx, char *value, uint32_t *tags, uint32_t k)
static void parse_datum_as_string (mvt_agg_context *ctx, Oid typoid, Datum datum, uint32_t *tags, uint32_t k)
static uint32_tparse_jsonb (mvt_agg_context *ctx, Jsonb *jb, uint32_t *tags)
static void parse_values (mvt_agg_context *ctx)
static void lwgeom_to_basic_type (LWGEOM *geom)
 In place process a collection to find a concrete geometry object and expose that as the actual object. More...
LWGEOMmvt_geom (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 (mvt_agg_context *ctx)
 Initialize aggregation context. More...
void mvt_agg_transfn (mvt_agg_context *ctx)
 Aggregation step. More...
static VectorTile__Tile * mvt_ctx_to_tile (mvt_agg_context *ctx)
static bytea * mvt_ctx_to_bytea (mvt_agg_context *ctx)
bytea * mvt_ctx_serialize (mvt_agg_context *ctx)
static void * mvt_allocator (void *data, size_t size)
static void mvt_deallocator (void *data, void *ptr)
mvt_agg_contextmvt_ctx_deserialize (const bytea *ba)
static VectorTile__Tile__Value * tile_value_copy (const VectorTile__Tile__Value *value)
static VectorTile__Tile__Feature * tile_feature_copy (const VectorTile__Tile__Feature *feature, int key_offset, int value_offset)
static VectorTile__Tile__Layer * vectortile_layer_combine (const VectorTile__Tile__Layer *layer1, const VectorTile__Tile__Layer *layer2)
static VectorTile__Tile * vectortile_tile_combine (VectorTile__Tile *tile1, VectorTile__Tile *tile2)
mvt_agg_contextmvt_ctx_combine (mvt_agg_context *ctx1, mvt_agg_context *ctx2)
bytea * mvt_agg_finalfn (mvt_agg_context *ctx)
 Finalize aggregation. More...