Bill - does this help at all? I show how to create a plot palette that has a lower and an upper part.
Regards, Devon -------------------------------------------------------------------------------------------------------------------- load 'viewmat plot' stepsftn=:3 : 0 NB.* stepsftn: vector of numbers from num, to num, in numsteps steps. 'from to numsteps'=. y from+(to-from)*(numsteps-1)%~i.numsteps ) NB. Build palette from blue->green->yellow BGYPAL3=: ;stepsftn&.>0 60 30;62 80 30;80 100 26;102 140 85;142 210 43;220 255 42 BGYPAL3=: BGYPAL3,:;stepsftn&.>0 100 55;102 140 30;142 224 86;228 255 85 BGYPAL3=: BGYPAL3,;stepsftn&.>0 255 45;250 88 116;86 130 44;132 200 51 BGYPAL3=: roundNums |:BGYPAL3 NB. Look at the palette BGYPAL3 viewmat i. 16 16 NB. Build palette half from previous one, second half: dark green->pink->pale pink PAL2=. (BGYPAL3#~256$1 0),(1|."1 BGYPAL3)#~256$1 0 NB. Look at the palette PAL2 viewmat i. 16 16 NB. Use this palette with "plot". RGCLR_jwplot_=: PAL2 'surface' plot +/~1 o. i:6j99 On Fri, Mar 13, 2009 at 12:49 AM, Bill Harris < [email protected]> wrote: > I'm trying to do a surface plot with a 7 by 5 array (or something like > that). I'd like to have a 3x5 field that's drawn from one color family > and a 4x5 field that's from another color family. > > As best as I can tell, the color is only related to the height along the > Z axis. Is there an easy way to create such a diagram with each row (or > column) in a color family I select, perhaps with the intensity of the > colors related to the height? (Using the Brewer series might be > interesting eventually but not necessary right now; right now, I need to > pick the color family.) > > Oh, and can I make the color rows go either way? I presume |: is the key. > > Thanks, > > Bill > -- > Bill Harris http://facilitatedsystems.com/weblog/ > Facilitated Systems Everett, WA 98208 USA > http://facilitatedsystems.com/ phone: +1 425 337-5541 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
