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Newsgroups: comp.graphics.apps.gnuplot
Date: Wed, 26 Sep 2018 03:50:46 -0700 (PDT)
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Subject: Re: Rescale axis after smooth
From: NeilB <neil@moogsoft.com>
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Xref: csiph.com comp.graphics.apps.gnuplot:4048

On Wednesday, September 26, 2018 at 11:33:27 AM UTC+1, Karl Ratzsch wrote:
> Am 26.09.2018 um 11:56 schrieb NeilB:
>=20
> >=20
> > I get a nice smoothed CPU graph but the y axis maximum is set to the ma=
x 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 us=
ing the MIN/MAX variables and replot i.e:
> >=20
> > plot "temp.csv" u 1:2 smooth sbezier lw 2 title 'cpu'
> > set yr [GPVAL_DATA_Y_MIN:GPVAL_DATA_Y_MAX]
> > replot
> >=20
> > ....but got the same result.
> >=20
>=20
> 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.
>=20
> I would do the following, first plotting to an inline named datablock,
> and then plotting that again.
>=20
> set table $sdat
> plot datafile smooth sbezier
> unset table
>=20
> plot $sdat
>=20
> The named datablock vanishes when you close gnuplot, so you don't have
> to clean up temporary files afterwards.
>=20
> You'll have to change the datafile separator in between, because gnuplot
> tabular output is always space separated.
>=20
>=20
>=20
> Best, Karl

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

Neil