PostGIS  3.7.0dev-r@@SVN_REVISION@@

◆ geobuf_agg_init_context()

void geobuf_agg_init_context ( struct geobuf_agg_context ctx)

Initialize aggregation context.

Definition at line 540 of file geobuf.c.

541 {
542  Data *data;
543  Data__FeatureCollection *fc;
544 
545  ctx->has_dimensions = 0;
546  ctx->dimensions = 2;
547  ctx->has_precision = 0;
548  ctx->precision = MAX_PRECISION;
549  ctx->e = 1;
551 
552  data = palloc(sizeof(*data));
553  data__init(data);
554 
555  fc = palloc(sizeof(*fc));
556  data__feature_collection__init(fc);
557 
558  fc->features = palloc (ctx->features_capacity *
559  sizeof(*fc->features));
560 
561  ctx->lwgeoms = palloc (ctx->features_capacity *
562  sizeof(*ctx->lwgeoms));
563 
564  data->data_type_case = DATA__DATA_TYPE_FEATURE_COLLECTION;
565  data->feature_collection = fc;
566 
567  ctx->data = data;
568 }
#define MAX_PRECISION
Definition: geobuf.c:31
#define FEATURES_CAPACITY_INITIAL
Definition: geobuf.c:30
data
Definition: ovdump.py:104
uint32_t precision
Definition: geobuf.h:59
protobuf_c_boolean has_precision
Definition: geobuf.h:58
uint32_t e
Definition: geobuf.h:57
protobuf_c_boolean has_dimensions
Definition: geobuf.h:60
size_t features_capacity
Definition: geobuf.h:56
LWGEOM ** lwgeoms
Definition: geobuf.h:53
uint32_t dimensions
Definition: geobuf.h:61

References geobuf_agg_context::data, ovdump::data, geobuf_agg_context::dimensions, geobuf_agg_context::e, geobuf_agg_context::features_capacity, FEATURES_CAPACITY_INITIAL, geobuf_agg_context::has_dimensions, geobuf_agg_context::has_precision, geobuf_agg_context::lwgeoms, MAX_PRECISION, and geobuf_agg_context::precision.

Referenced by pgis_asgeobuf_transfn().

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