Re: [Gnuplot-info] Autoscaling when plotting data and functions

[Thomas S. <t.s...@fz...>]

Paul Wagner <paul_spam <at> gmx.at> writes:

> 
> 
> Hello Gnuplotters,
> 
> I want to plot a data file and a function.  My problem is that I want to
> autoscale the axes, but just on the data in the file, i.e. the yrange should
> not be scaled to the yrange the function requires for the given xrange, but
> yrange and xrange should be solely determined by the data, and those parts
> of the function off these ranges should be clipped.  I tried the yrange
> writeback-plot data-yrange restore-replot function approach, but that
> doesn't work nicely with terminal PNG.
> 
> Thanks for any advise,
> 
> Paul
> 

you could switch to another terminal for the first plot:

set output
set terminal dumb
set yrange [] writeback
plot 'datafilename' ...
set yrange restore
set terminal png
set output 'filename.png'
replot function(x) ...
set output