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RE: LAS support for Mac OSX



Hi Mike,
As Roy, said, he was able to run our LAS, subset with Live Map and get a plot using Mac OSX without any problem. He will specifically test the applet at LiveMap_v3.0.html later today. I didn't do anything else to our server except comment out the javascript lines in index.html that check for Netscape versions greater than 5. The only difference I can see between our server and yours is that I've got v 5.1 of the LAS running - don't remember what changes exactly were made between 5.0 and 5.1, but I upgraded as soon as it was available on CVS in order to get some of the custom features they were working on at the time. Maybe upgrading would solve your problem. Lynn

Lynn,

Thanks for the info.  I feel that we're getting close.  We installed the
new Netscape and MRJ plugin and removed the JavaScipt checks.  As the
page is loading (from our LAS 5.0 server) this message pops up:

	"Undefined: undefined[object event]"

and the site cannot be used.

Did you have to do anything else with your server?  Also, with Netscape
and the MRJ plugin I'd think that the applet at:

http://tmap.pmel.noaa.gov/~callahan/JAVA/map_v3.0/LiveMap_v3.0.html

should work.  After I draw a new region in the applet Netscape 6.2.1
crashes without showing any error messages.   Any clues?

TIA,
Mike

-----Original Message-----
From: Lynn deWitt [mailto:ldewitt@upwell.pfeg.noaa.gov]
Sent: Wednesday, January 30, 2002 10:58 AM
To: Jonathan Callahan; McCann, Mike
Cc: las_users@ferret.wrc.noaa.gov; rmendels@upwell.pfeg.noaa.gov
Subject: Re: LAS support for Mac OSX


Mike and Jon,
    Since we are pretty much all Mac and Unix here we have been doing
some testing.
For these tests I disabled the checks for operating system and
version in lasxml/ui/index.html.  Roy Mendelssohn, who has OSX up and
running got the following results:


On Mac OSX running in "classic" version with Netscape 4.78, the LAS
runs just fine (seems a little slow though)

On Mac OSX running in regular mode, Netscape 6 works just
fine (also slow)
    The key here was first to disable the check in index.html, and to
get the necessary plugin.  The required plugin can be found at

http://www.versiontracker.com

Click on the MacOSX tab, then search (bottom of left frame) the
MacOSX pages for "Netscape".  Both the Netscape application and the
plugin are there.  Roy downloaded both and used these in his test.
The versions are:

Netscape MRJ plugin 1.0d7
Netscape X 6.2.1

Lynn


At 2:43 PM -0800 1/29/02, Jonathan Callahan wrote:
>Mike,
>
>If your enthusiasm level is high you are more than welcome
to dig into
>the code.  I'm not sure what your Javascript debugging
environment is
>like on your system but the files of interest are
>
>lasxml/ui/las.js      all of the "business" logic
>lasxml/ui/jsconfig/*  information on datasets, variables and grids
>
>You will probably want to do some background searching/reading on
>javascript support with browsers for Macintosh.  It is certainly
>possible that you will be able to narrow things down to a few small
>hunks of javascript for which there may be workarounds.
>
>Thanks in advance for any time you spend on this and good luck.
>
>
>-- Jon
>
>
>"McCann, Mike" wrote:
>>
>> Jon,
>>
>> The applet by itself works on our OSX system.  I'm
wondering if some
>> simple changes to the JavaScript on our Version 5.0 LAS
server will
>> fix it so that more folks can use our data.
>>
>> Any suggestions here?  Am I opening a whole can of worms by
>> considering this?  (I'm not suggesting that PMEL make the
changes, I
>> would consider doing them myself.)
>>
>> -Mike
>>
>> > -----Original Message-----
>> > From: Jonathan Callahan [mailto:callahan@pmel.noaa.gov]
>> > Sent: Tuesday, January 29, 2002 1:26 PM
>> > To: McCann, Mike
>> > Cc: las_users@ferret.wrc.noaa.gov
> >> > Subject: Re: LAS support for Mac OSX
>> >
>> >
>> > Mike,
>> >
>> > Joe Sirott is currently doing a redesign of the LAS user
interface
>> > that will be much less reliant on Javascript. Our goal
is to have
>> > a version of LAS that will work with browsers on Mac
systems. We
>> > will investigate the applet at that point but you might
be able to
>> > give us a heads up by testing the applet on some of your
OS/browser
>> > combinations. There is an applet only page here:
>> >
>> http://tmap.pmel.noaa.gov/~callahan/JAVA/map_v3.0/LiveMap_v3.0.html
>>
>> -- Jon
>>
>> "McCann, Mike" wrote:
>> >
>> > Hello LAS users,
>> >
>> > Over a year ago when I first examined using LAS for serving our
>> > data I was confident that a majority of our user
community would be
>> > able to use it.
>> >
>> > Since that time, several of our scientists have acquired
new Apple
>> > Macintoshes running OSX. It would be great if LAS
worked in either
>> > Netscape or IE on this platform.
>> >
>> > What is the issue with why LAS does not work on this platform? >> > Lack of Java/ JavaScript support in the browser? Is it
something
>> > that a little developer time spent on the LiveMap applet can
>> > correct? Is this something that you would like a
volunteer to help
>> > with?
>> >
>> > TIA for your answers,
>> > Mike
>> >
>> > --
>> > Mike McCann (mccann@mbari.org)
>> > Monterey Bay Aquarium Research Institute
>> > 7700 Sandholdt Road
>> > Moss Landing, CA 95039-9644
>> > Voice: (831) 775-1769 Fax: (831) 775-1646
>> > http://www.mbari.org/rd/iag.htm

--------------------------------------------
Lynn deWitt

ldewitt@pfeg.noaa.gov

Pacific Fisheries Environmental Laboratories
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097
(831)-648-9036


--------------------------------------------
Lynn deWitt

ldewitt@pfeg.noaa.gov

Pacific Fisheries Environmental Laboratories
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097
(831)-648-9036


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