I don't know if I quite understood you, but it sounds
like you want to set the levels yourself....
set cntrparam levels disc 0,1,2,3,4
will give you contours at 0,1,2,3,4 for example.
Hope that helps.
> I am working in chemical surface modelling and I
> an unresolved problem with gnuplot
> Is the fallow: the commands:
> set nosurface
> set contour base
> set cntrparam levels 45 #Number of contour
> set cntrparam levels incremental -0.3640,0.002
> produce the same countour plot (begin from -0.3640,
> with space between=0.002 units) for all the region
> the grid data. I want change in the same plot the
> "space between" for different regions . For example
> I want diminish the "space between" in ten times for
> the x range apart from 4.0 units. How can I do this?
> It is very important for represent very shallow
> in the potential surface.
> thank in advance
> Luis Poveda
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