Groups > comp.graphics.apps.gnuplot > #4073

Re: How to plot a vertical line in GNUPLOT, say x=3.

From	Karl Ratzsch <mail.kfr@gmx.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: How to plot a vertical line in GNUPLOT, say x=3.
Date	2018-11-20 17:26 +0100
Organization	solani.org
Message-ID	<pt1ck3$89l$1@solani.org> (permalink)
References	<1ad12fd2-315d-4eec-be95-6faff09469c3@googlegroups.com> <e0d81b1f-cfd5-4de7-b156-a99d97572ef4@googlegroups.com> <pt169d$3kn$1@solani.org> <4a2d9bba-d73e-4c58-91bd-f91ced09f25a@googlegroups.com>

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Am 20.11.2018 um 17:12 schrieb Darshan Beniwal:
> On Tuesday, November 20, 2018 at 8:08:39 PM UTC+5:30, Karl Ratzsch wrote:
>> Am 17.11.2018 um 15:18 schrieb Gavin Buxton:
>>> plot (x<3?-10:10)
>>>
>>
>> nice, but not perfectly vertical ;-)
>>
>>    plot "+" us (3):(x<3?-10:10) w l
>>
>> otherwise
>>
>>   set arrow 1 nohead from 3,-10 to 3,10
> 
> Yes, you are right Karl Ratzsch. I made a plot with your command also, gives me required to my work.
> But Gavin Commands also gives me the perfect verticle line. I don't know why you said: "not perfectly verticle." 
> Thank you Karl .


  set sample 100 # that's the default
  plot (x<3?-10:10)
  replot "+" us (3):(x<3?-10:10) w l

if you increase the sampling, it _looks_ nearly vertical, but still isn't.

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Thread

How to plot a vertical line in GNUPLOT, say x=3. darshanbeniwal11@gmail.com - 2018-11-16 22:41 -0800
  Re: How to plot a vertical line in GNUPLOT, say x=3. Gavin Buxton <gavinbuxton@gmail.com> - 2018-11-17 06:18 -0800
    Re: How to plot a vertical line in GNUPLOT, say x=3. Darshan Beniwal <darshanbeniwal11@gmail.com> - 2018-11-20 03:30 -0800
    Re: How to plot a vertical line in GNUPLOT, say x=3. Karl Ratzsch <mail.kfr@gmx.net> - 2018-11-20 15:38 +0100
      Re: How to plot a vertical line in GNUPLOT, say x=3. Darshan Beniwal <darshanbeniwal11@gmail.com> - 2018-11-20 08:12 -0800
        Re: How to plot a vertical line in GNUPLOT, say x=3. Karl Ratzsch <mail.kfr@gmx.net> - 2018-11-20 17:26 +0100
          Re: How to plot a vertical line in GNUPLOT, say x=3. Darshan Beniwal <darshanbeniwal11@gmail.com> - 2018-11-20 08:28 -0800

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