Groups > comp.graphics.apps.gnuplot > #1615

Re: setting absolute size of point (or circle) with autoscaled xrange

From	sfeam <sfeam@users.sourceforge.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: setting absolute size of point (or circle) with autoscaled xrange
Followup-To	comp.graphics.apps.gnuplot
Date	2013-02-07 13:31 -0800
Organization	gnuplot development team
Message-ID	<kf16ff$sdr$1@dont-email.me> (permalink)
References	<a3425937-06b3-4d68-9cde-d9edf6510371@googlegroups.com> <kf0mq4$qda$1@dont-email.me> <726ae321-eb11-4be5-9f4a-ac117947c168@googlegroups.com> <kf0roh$pmi$1@dont-email.me> <42910e91-ed5a-455f-9654-53b8f9f1f7b5@googlegroups.com>

Followups directed to: comp.graphics.apps.gnuplot

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fearless_fool wrote:

> On Thursday, 7 February 2013 10:29:00 UTC-8, sfeam  wrote:
>> You could fake it by plotting one case with circles and the other case
>> with ellipses that just happen to be circular:
>>   set style circle radius screen 0.01
>>   set style ellipse size screen 0.02, screen 0.02 units xx
>> 
>> But if you want a third case then you're out of luck :-)
>> 
>> Ethan
> 
> VERY cute!!  :)  I'm guessing, though, that to handle the general case
> with N overlaid scatterplots, I should use the "do a dummy plot to capture
> GPVAL_XMIN and GPVAL_XMAX and scale accordingly".  Thinking about it, that
> technique is probably not as difficult as I first imagined.


If it were me, I'd probably use

  SCALE = <something to be decided by inspection>

  plot 'foo' using 1:2:(SCALE*column(3)) with points \
        pointtype 6 pointsize variable

See also 

  http://gnuplot.sourceforge.net/demo/pointsize.html

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setting absolute size of point (or circle) with autoscaled xrange fearless_fool <rdpoor@gmail.com> - 2013-02-07 07:26 -0800
  Re: setting absolute size of point (or circle) with autoscaled xrange sfeam <sfeam@users.sourceforge.net> - 2013-02-07 09:04 -0800
    Re: setting absolute size of point (or circle) with autoscaled xrange fearless_fool <rdpoor@gmail.com> - 2013-02-07 09:23 -0800
      Re: setting absolute size of point (or circle) with autoscaled xrange sfeam <sfeam@users.sourceforge.net> - 2013-02-07 10:29 -0800
        Re: setting absolute size of point (or circle) with autoscaled xrange fearless_fool <rdpoor@gmail.com> - 2013-02-07 10:36 -0800
          Re: setting absolute size of point (or circle) with autoscaled xrange fearless_fool <rdpoor@gmail.com> - 2013-02-07 10:55 -0800
          Re: setting absolute size of point (or circle) with autoscaled xrange sfeam <sfeam@users.sourceforge.net> - 2013-02-07 13:31 -0800

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