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Re: does installing qhull help with satisfying delaunayn

From: Isak Delberth Davids
Subject: Re: does installing qhull help with satisfying delaunayn
Date: Wed, 10 Nov 2010 18:58:22 +0200

On 10 November 2010 11:36, John W. Eaton <address@hidden> wrote:
On 10-Nov-2010, Isak Delberth Davids wrote:

| Hi,
| I have octave-3.0.2 (along with octave-forge) on a fairly old Mandriva 2008
| install. When I use the function 'griddata', I get:
| error: __delaunayn__: not available in this version of Octave
| I read somewhere,
| that Matlab uses qhull for delaunayn. With this in mind I installed qhull which
| was available from the Mandriva repo. This seemed not to help.
| Does octave have a workaround for this, or is a brute force update to 3.2.4 the
| only way around it.

If the qhull library was not installed when your copy of Octave was
compiled, then it won't magically start working just because you
install the library.  You'll need to recompile Octave from sources,
or find a version of Octave compiled for your system that is linked
with the qhull library.

3.0.2 is quite old.  Isn't there a newer package for your OS


OK, I uninstalled and re-installed octave after installing qhull. This did not help.

I checked, and now I think, octave-3.2.4 compiled for Mandriva is actually for Mandriva-2010, while I run Mandriva-2008, thus due to the large generation gap in these OS-versions, the package dependencies that I face (while trying to force install 3.2.4) is overwhelmingly large.

My resolution is to get the OS updated once and for all, so I can install 3.2.4 from the repos --- in the meantime, I will continue working with the 3.2.4 that I have on another disk partition (running PCLinuxOS) on the same machine.

Thanks for the valuable directions though ... 

           All regards,

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