Thanks, nice scale. How about the arcs and the text between them? Regards,
Magnus On Mon, Oct 7, 2013 at 11:57 AM, Alan BRASLAU <alan.bras...@cea.fr> wrote: > On Mon, 7 Oct 2013 09:06:37 +0200 > Magnus J <mjo.li...@gmail.com> wrote: > > > 2. I would like to use the \followtokens macro from within metapost. How > > can this be achieved? Specifically, I trying to draw a rainbow-like > figure > > with text "between" the colors. > > I am not sure what you mean by a rainbow-like figure. However, for > rainbow-like colors, I use the following MP code, based on the standard > resistance color code scheme. The function rainbow(f) returns a rainbow > spectrum color based on the fraction f running from 0 to 1. > > % standard resistance color code: rainbow sequence > color resistance_color[] ; string resistance_name[] ; > resistance_color0 = (0,0,0) ; resistance_name0 = "black" > ; > resistance_color1 = (165/255,42/255,42/255) ; resistance_name1 = "brown" > ; > resistance_color2 = (1,0,0) ; resistance_name2 = "red" ; > resistance_color3 = (1,165/255,0) ; resistance_name3 = > "orange" ; > resistance_color4 = (1,1,0) ; resistance_name4 = > "yellow" ; > resistance_color5 = (0,1,0) ; resistance_name5 = "green" > ; > resistance_color6 = (0,0,1) ; resistance_name6 = "blue" ; > resistance_color7 = (148/255,0,211/255) ; resistance_name7 = > "darkviolet" ; > resistance_color8 = (190/255,190/255,190/255) ; resistance_name8 = "gray" ; > resistance_color9 = (1,1,1) ; resistance_name9 = "white" > ; > > def rainbow(expr f) = > hide(numeric n_ ; n_ = (abs(5f) mod 5) + 2 ;) > (n_-floor(n_))[resistance_color[floor n_],resistance_color[ceiling n_]] > enddef ; > > > Alan >
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