Here's a way to look inside a 5x5x5 color cube. There are 125 colors. Any ideas to do it more simply or in a better image?
load 'viewmat' A=:#:i.8 N=:<.63.75*i.5 B=:((4#0),N),.N,4#255 BIGBOX=:<"2(|."2)1 0 2{"1(|:"2)8 3 9$,|:(,A){"1 B 'BLACK BLUE RED MAGENTA GREEN CYAN YELLOW WHITE'=:>BIGBOX LYELLOW=:(i.5){"2 YELLOW LCYAN=:(i.5){"2 CYAN TOP=:25 3$,CYAN<."1/LYELLOW INSIDE=:((125 3$1 0 1)*125 3$,TOP)+0,.(,25#"0 |.N),.0 Q=:29 5$,(i.5 5 5)(,"2)0 INSIDE viewmat Q Linda ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm