lwpoly_force_dims()

LWPOLY* lwpoly_force_dims	(	const LWPOLY *	poly,
		int	hasz,
		int	hasm
	)

Definition at line 421 of file lwpoly.c.

References lwalloc(), lwpoly_construct(), lwpoly_construct_empty(), lwpoly_is_empty(), LWPOLY::nrings, ptarray_force_dims(), LWPOLY::rings, LWPOLY::srid, and LWPOLY::type.

Referenced by lwgeom_force_dims().

{
        LWPOLY *polyout;

        /* Return 2D empty */
        if( lwpoly_is_empty(poly) )
        {
                polyout = lwpoly_construct_empty(poly->srid, hasz, hasm);
        }
        else
        {
                POINTARRAY **rings = NULL;
                int i;
                rings = lwalloc(sizeof(POINTARRAY*) * poly->nrings);
                for( i = 0; i < poly->nrings; i++ )
                {
                        rings[i] = ptarray_force_dims(poly->rings[i], hasz, hasm);
                }
                polyout = lwpoly_construct(poly->srid, NULL, poly->nrings, rings);
        }
        polyout->type = poly->type;
        return polyout;
}

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