lwpoly_is_closed()

int lwpoly_is_closed

(

const LWPOLY *

poly

)

Definition at line 589 of file lwpoly.c.

References LWPOLY::flags, FLAGS_GET_Z, LW_FALSE, LW_TRUE, LWPOLY::nrings, ptarray_is_closed_2d(), ptarray_is_closed_3d(), and LWPOLY::rings.

Referenced by lwgeom_is_closed().

{
        int i = 0;

        if ( poly->nrings == 0 )
                return LW_TRUE;

        for ( i = 0; i < poly->nrings; i++ )
        {
                if (FLAGS_GET_Z(poly->flags))
                {
                        if ( ! ptarray_is_closed_3d(poly->rings[i]) )
                                return LW_FALSE;
                }
                else
                {
                        if ( ! ptarray_is_closed_2d(poly->rings[i]) )
                                return LW_FALSE;
                }
        }

        return LW_TRUE;
}

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