I mostly have answered my question now. Most importantly, components that are nested and have color changes cannot be put into display lists because the colors are compiled in the display list. So much of my processing cannot be done as efficiently as I had hoped. I have not mastered the problem yet, but I understand enough for my minimal needs.
(B=) (B=) <----------my "sig" Brian Schott Atlanta, GA, USA schott DOT bee are eye eh en AT gee em ae eye el DOT com http://schott.selfip.net/~brian/ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
