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Groups > comp.graphics.apps.gnuplot > #4048

Re: Rescale axis after smooth

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On Wednesday, September 26, 2018 at 11:33:27 AM UTC+1, Karl Ratzsch wrote:
> Am 26.09.2018 um 11:56 schrieb NeilB:
> 
> > 
> > I get a nice smoothed CPU graph but the y axis maximum is set to the max of the csv data i.e. 854 so the curve is very low in the plot. I want to set the y axis maximum to be the max of the smoothed data and have tried using the MIN/MAX variables and replot i.e:
> > 
> > plot "temp.csv" u 1:2 smooth sbezier lw 2 title 'cpu'
> > set yr [GPVAL_DATA_Y_MIN:GPVAL_DATA_Y_MAX]
> > replot
> > 
> > ....but got the same result.
> > 
> 
> There is no gnuplot status variable which returns the max value of the
> smoothed data. GPVAL_DATA_ always contains the max values from the input
> file.
> 
> I would do the following, first plotting to an inline named datablock,
> and then plotting that again.
> 
> set table $sdat
> plot datafile smooth sbezier
> unset table
> 
> plot $sdat
> 
> The named datablock vanishes when you close gnuplot, so you don't have
> to clean up temporary files afterwards.
> 
> You'll have to change the datafile separator in between, because gnuplot
> tabular output is always space separated.
> 
> 
> 
> Best, Karl

Thank you very much - I'll give it a spin.

Neil

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Rescale axis after smooth NeilB <neil@moogsoft.com> - 2018-09-26 02:56 -0700
  Re: Rescale axis after smooth Karl Ratzsch <mail.kfr@gmx.net> - 2018-09-26 12:33 +0200
    Re: Rescale axis after smooth NeilB <neil@moogsoft.com> - 2018-09-26 03:50 -0700

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