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From: Karl Ratzsch <mail.kfr@gmx.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Provide a dense (lots of lines) X-Y plot with a string close to the graph to make it easier to understand to which category a line belongs
Date: Wed, 17 Jun 2020 09:06:20 +0200
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Xref: csiph.com comp.graphics.apps.gnuplot:4359

Am 17.06.2020 um 03:40 schrieb Franz Gotsis:
> I have a graph with about 40 lines (time series) which should visualize
> which category behave similar and which ones are showing peculiar behavior.
> 
> code:
> plot\
> '/<path>/CurrentCellSelection-in-GNUplot-Format.txt' using 1:2 with
> linespoi title 'cat 1',\
> '/<path>/CurrentCellSelection-in-GNUplot-Format.txt' using 1:3 with
> linespoi title 'cat 2',\

> 
> At the moment I can either show a string at all points which renders the
> graph way to crowded or none at all. Is there a way to specify that the
> category should be printed for category 1 time series close to the value
> for 1990 and for category 2 close to the value for 1991 and so on?

I don´t really follow, but ...

By "string" you mean the legend for each plot line? The legend, or
"key" in gnuplot terminology, can only be in one place. You want a
label at the last datapoint of each line instead?

  fname = '/path.....'
  stats fname
  np = STATS_records
  plot for [i=1:41] fname us 1:(column(i+1)) w lp lc i notitle, \
  for [i=1:41] fname ev ::np::np us 1:(column(i+1)):('cat'.i):(i)  w
label lc variable notitle

Not tried now. You can always shift the label by adding some f(i) to
the positions, or choosing a different than the last record
depending on i.