lwgeom_to_basic_type()

static LWGEOM* lwgeom_to_basic_type ( LWGEOM *  geom, uint8  original_type  )

inlinestatic

In place process a collection to find a concrete geometry object and expose that as the actual object.

Will some geom be lost? Sure, but your MVT renderer couldn't draw it anyways.

Definition at line 681 of file mvt.c.

References COLLECTIONTYPE, LWCOLLECTION::geoms, lwcollection_extract(), lwgeom_get_type(), lwgeom_is_collection(), LWCOLLECTION::ngeoms, and LWGEOM::srid.

Referenced by mvt_geom().

{
        LWGEOM *geom_out = geom;
        if (lwgeom_get_type(geom) == COLLECTIONTYPE)
        {
                LWCOLLECTION *g = (LWCOLLECTION*)geom;
                geom_out = (LWGEOM *)lwcollection_extract(g, original_type);
        }

        /* If a collection only contains 1 geometry return than instead */
        if (lwgeom_is_collection(geom_out))
        {
                LWCOLLECTION *g = (LWCOLLECTION *)geom_out;
                if (g->ngeoms == 1)
                {
                        geom_out = g->geoms[0];
                }
        }

        geom_out->srid = geom->srid;
        return geom_out;
}

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