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From: Karl Ratzsch <mail.kfr@gmx.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: plotting streamlines
Date: Sat, 17 Mar 2018 08:01:36 +0100
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Am 17.03.2018 um 01:55 schrieb ndariaso@gmail.com:
> El viernes, 7 de septiembre de 2007, 0:01:36 (UTC-3), Victor escribió:
>> Hi all.
>> Please read on before telling me that gnuplot doesn't do streamlines.
>> I know. But probably somebody knows a ready solution for my problem.
>>
>> I have a file with several columns
>> X Y Bx By
>>
>> This data and starting points are sufficient to calculate streamlines.
>> Does any one know of a script/program that I could feed with my data
>> and get a streamline data that I can plot with gnuplot?
>> This must have been done before so I just don't want to invent the
>> wheel again...

> 
> I have the same question. Did you solve the problem?
> 
> I really appreciate if you did it and, could you share it with me? thanks.
> 

Above post is close to ten years old ... and it's not really obvious
what the OP wanted.

Please describe your data a bit better than this

>> I have a file with several columns
>> X Y Bx By

, and what the desired output should look like. How many columns? How
many streamlines?

  plot ... us 1:2:3:4 with vectors nohead

could be what you want.

  Karl