On Sat, 24 Jun 2006, Jean-Pierre GERBAL wrote:
> i need to represent surface and level lines with color beetween
> level lines ; for example, z=2x^2-x+y^2 (x in 0,10 ; y in 0,10) and
> one color from z=0 to z=25, another color from 25 to 50,....
gnuplot's "pm3d" option seems to achieve something like what you want:
<http://gnuplot.sourceforge.net/demo/pm3d.html>; has some examples. I
think this is likely to be accessible from within Maxima.
--
HTH,
Dan Hatton
<http://www.bib.hatton.btinternet.co.uk/dan/>;