Path: csiph.com!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail
From: =?UTF-8?Q?J=c3=b6rg_Buchholz?= <bookwood4news@freenet.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Obtain data points of a line from gnuplot
Date: Mon, 15 Feb 2016 20:00:45 +0100
Organization: A noiseless patient Spider
Lines: 33
Message-ID: <n9t73d$tn4$1@dont-email.me>
References: <65879cc4-a1af-4e93-9850-a2d045a8ee89@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: quoted-printable
Injection-Date: Mon, 15 Feb 2016 18:57:49 -0000 (UTC)
Injection-Info: mx02.eternal-september.org; posting-host="3da0684523673ec3c79b36a6a0d77440"; logging-data="30436"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/gQl/pA0So8+uds27ClrERou6JkPPINy0="
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0 SeaMonkey/2.39
In-Reply-To: <65879cc4-a1af-4e93-9850-a2d045a8ee89@googlegroups.com>
Cancel-Lock: sha1:B3Y84j0nXqNEa0MnB6ApBoHyO0Y=
Xref: csiph.com comp.graphics.apps.gnuplot:3236

On 15.02.2016 18:10, jamie.unix@gmail.com wrote:
> Hi all,
>
> I have been stumped with this for quite a while now. I remember that I =
could do this with gnuplot, but have been struggling to find the correct =
documentation.
>
> Consider I have a data file with a few x and y coordinates, lets say
>
> 0 0
> 10 10
> 20 20
> 30 30
>
> and if I call gnuplot to plot this file as follows:
>
> plot 'input.txt' using 1:2 with l ls 1
>
> The generated graph is a straight line with a certain slope. Is it poss=
ible to obtain the coordinates of the line as shown in gnuplot's output, =
with a certain resolution?
>
> For example, the expected result would be something like
>
> 0 0
> 1 1
> 2 2
> 3 3 ... and so forth.

plot 'input.txt' u ($1/10):($2/10) w l ls 1

J=F6rg