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Re: Yet Another Plotting System for Octave

From: Marius Schamschula
Subject: Re: Yet Another Plotting System for Octave
Date: Wed, 17 Jan 2007 19:53:37 -0600

Hi all,

I tried installing yapso on my Mac OS X 10.4 box with octave 2.9.9. I've run into a problem with the "pkg install" mechanism:

octave:1> pkg install yapso-0.2.1.tar.gz
warning: You have not defined an installation prefix, so the following will be used: /Users/marius/octave/
tar: yapso-0.2.1.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
warning: implicit conversion from scalar to string
error: tar: tar exited with status =

1) How do I specify the installation prefix? yapso should be globally accessible, not in my personal home directory.

2) Why is tar failing to find the tarball? I invoked octave in the download directory.

octave:1> ls
yapso-0.2.1             yapso-0.2.1.tar.gz

I manually extracted the archive, and it is complete.

On Jan 17, 2007, at 6:45 PM, Alexander Barth wrote:

Hi all,

I wrote some plotting routines to visualize ocean model results (although it can be used for other
applications). I wanted to share it because it might be useful for others as well. I called this
package Yapso, Yet Another Plotting System for Octave. It is intended to be compatible with Matlab
plotting commands. Yapso is based on the OpenGL libraries and it uses (currently) the GLUT toolkit
(freeglut or openglut). Yapso is loaded dynamically in Octave as oct-functions which allows a tight
integration in Octave.

What I missed from existing graphics packages was offscreen rendering (matlab's -nodisplay option)
which allows you to create plots from a cronjob or from a webserver cgi.

You can download it from and demos can be found at

Yapso is bundled as an octave package which is installed by "pkg install yapso-0.2.1.tar.gz".

Have fun!



Marius Schamschula                               Webmaster

        The Huntsville Macintosh Users Group


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