asgeojson_collection()

static void asgeojson_collection ( stringbuffer_t *  sb, const LWCOLLECTION *  col, const geojson_opts *  opts  )

static

Collection Geometry.

Definition at line 308 of file lwout_geojson.c.

{
        uint32_t i, ngeoms = col->ngeoms;
 
        /* subgeometries don't get boxes or srs */
        geojson_opts subopts = *opts;
        subopts.bbox = NULL;
        subopts.srs = NULL;
        subopts.isCollectionElement = LW_TRUE;
 
        stringbuffer_append_len(sb, "{\"type\":\"GeometryCollection\",", 29);
        asgeojson_srs(sb, opts);
        if (col->ngeoms) asgeojson_bbox(sb, opts);
        stringbuffer_append_len(sb, "\"geometries\":[", 14);
 
        if (lwgeom_is_empty((LWGEOM*)col))
                ngeoms = 0;
 
        for (i=0; i<ngeoms; i++)
        {
                if (i) stringbuffer_append_char(sb, ',');
                asgeojson_geometry(sb, col->geoms[i], &subopts);
        }
 
        stringbuffer_append_len(sb, "]}", 2);
        return;
}

References asgeojson_bbox(), asgeojson_geometry(), asgeojson_srs(), geojson_opts::bbox, LWCOLLECTION::geoms, geojson_opts::isCollectionElement, LW_TRUE, lwgeom_is_empty(), LWCOLLECTION::ngeoms, geojson_opts::srs, stringbuffer_append_char(), and stringbuffer_append_len().

Referenced by asgeojson_geometry().

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