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.

{
        Data *data;
        Data__FeatureCollection *fc;
 
        ctx->has_dimensions = 0;
        ctx->dimensions = 2;
        ctx->has_precision = 0;
        ctx->precision = MAX_PRECISION;
        ctx->e = 1;
        ctx->features_capacity = FEATURES_CAPACITY_INITIAL;
 
        data = palloc(sizeof(*data));
        data__init(data);
 
        fc = palloc(sizeof(*fc));
        data__feature_collection__init(fc);
 
        fc->features = palloc (ctx->features_capacity *
                sizeof(*fc->features));
 
        ctx->lwgeoms = palloc (ctx->features_capacity *
                sizeof(*ctx->lwgeoms));
 
        data->data_type_case = DATA__DATA_TYPE_FEATURE_COLLECTION;
        data->feature_collection = fc;
 
        ctx->data = data;
}

References geobuf_agg_context::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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