gbox_expand()

void gbox_expand	(	GBOX *	g,
		double	d
	)

Move the box minimums down and the maximums up by the distance provided.

Definition at line 104 of file g_box.c.

{
        g->xmin -= d;
        g->xmax += d;
        g->ymin -= d;
        g->ymax += d;
        if ( FLAGS_GET_Z(g->flags) )
        {
                g->zmin -= d;
                g->zmax += d;
        }
        if ( FLAGS_GET_M(g->flags) )
        {
                g->mmin -= d;
                g->mmax += d;
        }
}

References GBOX::flags, FLAGS_GET_M, FLAGS_GET_Z, GBOX::mmax, GBOX::mmin, GBOX::xmax, GBOX::xmin, GBOX::ymax, GBOX::ymin, GBOX::zmax, and GBOX::zmin.

Referenced by _lwt_AddLine(), BOX2D_expand(), LWGEOM_expand(), and lwt_AddPolygon().

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