On Tue, Jul 10, 2012 at 11:14 AM, Rudi Mann <r...@happyplating.eu> wrote: > BTW, the orientation doesn't really matter, since I need all 4 > diagonal directions anyway.
You might be interested in http://jsoftware.com/help/phrases/rotate_reflect.htm Note that an m prefix means that the monadic definition is relevant and a d prefix means that the dyadic definition is relevant. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm