Re: [Gnuplot-info] Gnuplot's internal sequence

[Ethan M. <eam...@gm...>]

Use the "stats" command.  If you only need to know the y value range, that
would be

    stats "outvals.tab" using 2

On Fri, Jul 29, 2016 at 12:59 PM, Alan Corey <ala...@gm...> wrote:

> My data is data points contained in an input file.  What I'd like to
> do is something like:
>
>   set y2range [(1.8*GPVAL_Y_MIN)+32:(1.8*GPVAL_Y_MAX)+32]
>
> But GPVAL_Y_MIN and GPVAL_Y_MAX apparently aren't defined until the
> read is complete, and putting things like y2range or y2ticks after the
> read seems to have no effect.  I tried refresh and replot after the y2
> stuff, even a 2nd plot line.
>
> Is there a way to do a dummy read that just sets up the min/max stuff?
>
> reset
> set terminal gif size 1200,800
> set output "2labc.gif"
> set xdata time
> set timefmt x "%s"
> set format x "%H:%M\n%D"
> set style data lines
> set xtics auto
> #  GPVAL_Y_MIN etc aren't defined yet
> #set y2range [(1.8*GPVAL_Y_MIN)+32:(1.8*GPVAL_Y_MAX)+32]
> set y2label "Fahrenheit"
> plot "outvals.tab" using ($1-(4*3600)):2 notitle
> # These have no effect:
> #set y2range [(1.8*GPVAL_Y_MIN)+32:(1.8*GPVAL_Y_MAX)+32]
> #set y2tics auto
> #refresh
>
>
> --
> Credit is the root of all evil.  - AB1JX
>
>
> ------------------------------------------------------------------------------
> _______________________________________________
> gnuplot-info mailing list
> gnu...@li...
> Membership management via:
> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
>