gserialized_geography_from_lwgeom()

GSERIALIZED * gserialized_geography_from_lwgeom	(	LWGEOM *	lwgeom,
		int32	geog_typmod
	)

Definition at line 89 of file geography_inout.c.

References geography_in(), geography_valid_type(), LW_TRUE, lwgeom_force_geodetic(), lwgeom_nudge_geodetic(), lwgeom_set_geodetic(), PG_FUNCTION_INFO_V1(), postgis_valid_typmod(), LWGEOM::srid, SRID_DEFAULT, and LWGEOM::type.

Referenced by geography_from_binary(), geography_from_text(), geography_in(), and geography_recv().

{
        GSERIALIZED *g_ser = NULL;

        /* Set geodetic flag */
        lwgeom_set_geodetic(lwgeom, true);

        /* Check that this is a type we can handle */
        geography_valid_type(lwgeom->type);

        /* Force the geometry to have valid geodetic coordinate range. */
        lwgeom_nudge_geodetic(lwgeom);
        if ( lwgeom_force_geodetic(lwgeom) == LW_TRUE )
        {
                ereport(NOTICE, (
                        errmsg_internal("Coordinate values were coerced into range [-180 -90, 180 90] for GEOGRAPHY" ))
                );
        }

        /* Force default SRID to the default */
        if ( (int)lwgeom->srid <= 0 )
                lwgeom->srid = SRID_DEFAULT;

        /*
        ** Serialize our lwgeom and set the geodetic flag so subsequent
        ** functions do the right thing.
        */
        g_ser = geography_serialize(lwgeom);

        /* Check for typmod agreement */
        if ( geog_typmod >= 0 )
        {
                g_ser = postgis_valid_typmod(g_ser, geog_typmod);
                POSTGIS_DEBUG(3, "typmod and geometry were consistent");
        }
        else
        {
                POSTGIS_DEBUG(3, "typmod was -1");
        }

        return g_ser;
}

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