LWGEOM_maxdistance3d()

Datum LWGEOM_maxdistance3d

(

PG_FUNCTION_ARGS

)

Definition at line 1008 of file lwgeom_functions_basic.c.

References error_if_srid_mismatch(), lwgeom_from_gserialized(), LWGEOM_longitude_shift(), lwgeom_maxdistance3d(), PG_FUNCTION_INFO_V1(), and LWGEOM::srid.

Referenced by LWGEOM_dfullywithin3d().

{
        double maxdist;
        GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
        GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
        LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
        LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);

        error_if_srid_mismatch(lwgeom1->srid, lwgeom2->srid);

        maxdist = lwgeom_maxdistance3d(lwgeom1, lwgeom2);

        PG_FREE_IF_COPY(geom1, 0);
        PG_FREE_IF_COPY(geom2, 1);

        /*if called with empty geometries the ingoing mindistance is untouched, and makes us return NULL*/
        if (maxdist>-1)
                PG_RETURN_FLOAT8(maxdist);

        PG_RETURN_NULL();
}

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