Thanks Jeff and Matt for your timely reply.  The software runs just fine now.
 
Hind



----------------------------
Hind A. Al-Abadleh, Ph.D.
Assistant Professor
Chemistry Department, Wilfrid Laurier University
Science Building 3020F
75 University Ave. W.
Waterloo, Ontario N2L 3C5 Canada
Ph.: (519) 884-0710 ext. 2873
Fax: (519) 746-0677
URL: http://www.wlu.ca/science/chemistry/halabadleh/
----------------------------


>>>terryj@iit.edu 12/07/07 9:11 am >>>
Hind,

X11 would be in /Applications/Utilities/

You should install X11 off of your 10.4 DVD and then apply the update.

Jeff

On Dec 7, 2007, at 5:42 AM, Hind Al-Abadleh wrote:

>Hi Jeff,
>
>This is great news.  I downloaded the beta version, and got the error
>message "Apple's X11 for Mac OSX is not installed...".  So, I 
>downloaded
>the latest update for X11 from Apple's website from this page:
>http://www.apple.com/downloads/macosx/apple/macosx_updates/x11update2006113.html
>
>And when I tried to install it, an alert message came "this system
>doesn't need this update".  So, now I'm baffled, and truly don't know
>where to go from here.  How would I check my system (OSX 10.4.11) for
>the X11 already installed?
>
>Any advice will be very much appreciated.
>Thanks,
>Hind
>
>
>
>
>
>----------------------------
>Hind A. Al-Abadleh, Ph.D.
>Assistant Professor
>Chemistry Department, Wilfrid Laurier University
>Science Building 3020F
>75 University Ave. W.
>Waterloo, Ontario  N2L 3C5 Canada
>Ph.: (519) 884-0710  ext. 2873
>Fax: (519) 746-0677
>URL: http://www.wlu.ca/science/chemistry/halabadleh/
>----------------------------
>
>>>>terryj@iit.edu 12/07/07 12:15 AM >>>
>Hi All,
>
>iXAFS version 2 for Mac OS X 10.4 and above has been released as a
>beta version. We have tested this version on ppc and intel macs
>running OS X 10.4 and 10.5.
>
>You must have Apple's version of X11 installed in order to use iXAFS.
>
>Ken McIvor put in yeoman's work to build the full ifeffit, horea suite
>as a universal binary. He packaged it as a single drag and drop
>installation within iXAFS.
>
>Ken wanted to post this message but had an illness in the family.
>Hopefully, we can all thank Ken for his work to get this built in a
>manner that should work on all modern Macs.
>
>A link to download this version of iXAFS can be found at the MRCAT
>website:
>
>http://mrcat.iit.edu
>
>We forgot to put in the documentation that the iXAFS shell allows you
>to run any of the programs from the command line ifeffit, feff6, etc.
>
>Jeff
>
>
>Ifeffit mailing list
>Ifeffit@millenia.cars.aps.anl.gov
>http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>
>
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