lwgeom_as_lwcircstring()

LWCIRCSTRING * lwgeom_as_lwcircstring ( const LWGEOM *  lwgeom )

extern

Definition at line 170 of file lwgeom.c.

{
        if ( lwgeom == NULL ) return NULL;
        if ( lwgeom->type == CIRCSTRINGTYPE )
                return (LWCIRCSTRING *)lwgeom;
        else return NULL;
}

References CIRCSTRINGTYPE, and LWGEOM::type.

Referenced by extract_pointarrays_from_lwgeom(), lwcompound_contains_point(), LWGEOM_dumppoints(), lwgeom_swap_ordinates(), and wkt_parser_curvepolygon_add_ring().

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