Groups > comp.graphics.apps.gnuplot > #1212

Re: how to draw arrow between correspoing points in gnuplot

From	Hermann Peifer <peifer@gmx.eu>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: how to draw arrow between correspoing points in gnuplot
Date	2012-06-18 13:58 +0200
Organization	albasani.net
Message-ID	<4FDF17F4.3030906@gmx.eu> (permalink)
References	<d2719a1b-0ca4-4f0c-bfa9-66c74a9b2707@googlegroups.com> <4FDEFD03.9010109@gmx.eu> <0f0590f3-176b-4dee-a082-08e98f3c714b@googlegroups.com>

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On 18/06/2012 13:21, haroon rashid wrote:
> thanks Hermann Peifer for you help, i got the results accordingly,but i did not understand what ($5-$2):($6-$3) signify please explain

I assumed that your file1.txt has x1 and y1 of the vectors and file2.txt 
has x2 and y2. The Gnuplot manual (see page 56 of [1])
explains: "The 2D vectors style draws a vector from (x,y) to 
(x+xdelta,y+ydelta)." So one has to calculate the deltas first.

Hermann

[1] http://gnuplot.info/docs_4.6/gnuplot.pdf

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how to draw arrow between correspoing points in gnuplot haroon rashid <haroon.it@gmail.com> - 2012-06-17 23:32 -0700
  Re: how to draw arrow between correspoing points in gnuplot Hermann Peifer <peifer@gmx.eu> - 2012-06-18 12:03 +0200
    Re: how to draw arrow between correspoing points in gnuplot haroon rashid <haroon.it@gmail.com> - 2012-06-18 04:21 -0700
      Re: how to draw arrow between correspoing points in gnuplot Hermann Peifer <peifer@gmx.eu> - 2012-06-18 13:58 +0200
        Re: how to draw arrow between correspoing points in gnuplot haroon rashid <haroon.it@gmail.com> - 2012-06-18 06:55 -0700

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