Re: color fill contouring

[Petr M. <mi...@ph...>]

> Anyhow, the closest equivalent in gnuplot would be something like:
> 
>    set pm3d
>    set palette maxcolors 10
>    set view map
>    splot 'ijx.dat' with pm3d
> 
> Note that these commands do not actually draw contour lines.
> Instead they say "color by quantized values of z".  You may
> have to set explicit bounds on the color range to get the
> color jumps at the values you want:
>    set cbrange [level0 : level10]

To make the map looking more smooth, you can also add:
    set pm3d interpolate 8,8

and
http://gnuplot.sourceforge.net/faq/faq.html#SECTION000513000000000000000

If you still don't like this, you can use contourf() function in Octave 
(gnuplot is used for final drawing).

---
PM