Re: [Gnuplot-info] (no subject)

[Sadeghian, S. <SOR...@sa...>]

Thanks! That's great.  I also was wondering if you could help me with 2
more questions:

1.  if I want to plot another set of numbers (different file) with
different colors, on top of my previous plotted points from the first
file, how can I do this?

2.  How can I export the graph once it is finished plotting the blue
points on top of the red points?  Where can I export it to? How?

Thank you so much again,

I really appreciate your quick response.

Kevin

=20

-----Original Message-----
From: als...@ma... [mailto:als...@ma...]=20
Sent: Thursday, March 01, 2007 6:16 PM
To: gnu...@li...
Cc: Sadeghian, Soroush
Subject:=20

Quoting "Sadeghian, Soroush"
> Hi,
>
> I have about a million points in excel that I'm trying to plot.
>
> How would I go about doing this?
>
>
>
> I'm very new to this. Please help.
>
>
>
> Thank you in advance for any help.
>
> K.

it's very easy in gnuplot to do that. Let us assume that you have a=20
file "file.txt" with 4 columns $1 $2 $3 $4 seperated by spaces, tabs,=20
...etc
you are interested to plot say the values in column $1 (y axis) versus=20
the values in column $3 ( x axis) then the minimum command will be:

gnuplot>plot "file.txt" u 3:1

that's it. If they are milion points it is going to take some time for=20
the plot to show up in xterm pop up window, but certainely gnuplot is=20
more powerfull than Excel in plotting large sets.
I hope that helps.
Ramzi Alsallaq
Florida State University
tallahassee FL


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