PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ geobuf_agg_init_context()

void geobuf_agg_init_context ( struct geobuf_agg_context ctx)

Initialize aggregation context.

Definition at line 541 of file geobuf.c.

542 {
543  Data *data;
544  Data__FeatureCollection *fc;
545 
546  ctx->has_dimensions = 0;
547  ctx->dimensions = 2;
548  ctx->has_precision = 0;
549  ctx->precision = MAX_PRECISION;
550  ctx->e = 1;
552 
553  data = palloc(sizeof(*data));
554  data__init(data);
555 
556  fc = palloc(sizeof(*fc));
557  data__feature_collection__init(fc);
558 
559  fc->features = palloc (ctx->features_capacity *
560  sizeof(*fc->features));
561 
562  ctx->lwgeoms = palloc (ctx->features_capacity *
563  sizeof(*ctx->lwgeoms));
564 
565  data->data_type_case = DATA__DATA_TYPE_FEATURE_COLLECTION;
566  data->feature_collection = fc;
567 
568  ctx->data = data;
569 }
#define MAX_PRECISION
Definition: geobuf.c:32
#define FEATURES_CAPACITY_INITIAL
Definition: geobuf.c:31
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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