UCGIS Virtual Seminar - Fall 1998 [Back][Refresh][Options][Search] Australia [Edit*][Delete*] [Image] http://www.agcrc.csiro.au/4dgm/grasslinks Dawn Wright 10/18/98 [Image] Grasslinks Australia Ronald William 10/19/98 Ward [Image] Australia Deana 10/19/98 Pennington [Image] [Image] agreed Ronald William 10/20/98 Ward [Image] [Image] speed Deana 10/20/98 Pennington [Image] Re: GrassLinks Australia Byong-Woon Jun 10/20/98 [Image] [Image] Thank you very much Jun, for Dawn Wright 10/20/98 commenting on server-side nuts... [Image] Post new message in this thread ------------------------------------------------------------------------ [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 18, 1998 09:07 PM Author: Dawn Wright (dawn@dusk.geo.orst.edu) Subject: http://www.agcrc.csiro.au/4dgm/grasslinks Discuss GRASSLinks Australia http://www.agcrc.csiro.au/4dgm/grasslinks (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2087) ------------------------------------------------------------------------ [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 19, 1998 09:21 AM Author: Ronald William Ward (ronward@arches.uga.edu) Subject: Grasslinks Australia Hey folks, I just finished a tour of the GRASSlinks Australia website. Overall I thought this site was an effective presentation of distributed and interoperable computing in GIS. The information, as is detailed in the intro page of the site, is mostly geologic in content, and should be a valuable resource for those searching for geologic information regarding the Australian continent. The sitemap is straight forward in that it gives an outline of all the research projects, finished and in progress, linked to the site. I clicked on the 'paleogeography' research link and was greeted with an outline page of the purposes, questions, methods, and results of the research. Not only text, but also a variety of graphics were available at this research site. I clicked on a block diagram map of Australia's past positioning in geologic time and the image came up without a hitch (no plug-in necessary). I saved the image in my hard disc space (it automatically saved as a gif file) and opened it up in CORELDRAW - and there it was, just as I had seen it on the website. GRASSlink is truly shareware. The site is easy to navigate and anyone with access to the internet could get on this web site and take anything they need from it, providing they have the proper software to do so. The site seems to me like a good example of how interoperable systems should work what distributed computing could be. Bravo! kaendeni kazini, Ron Ward (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2102) ------------------------------------------------------------------------ [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 19, 1998 10:00 AM Author: Deana Pennington (penningtond@geo.orst.edu) Subject: Australia Exellant site! As a geologist, I would find this kind of presentation extremely helpful. I didn't explore everything on the site (ran out of time), but liked what I saw. Really liked the ability to click on a particular spot, and search for linked research papers on that area. I did have a problem constructing a map. After selecting several vectors to overlay on a raster, I submitted the request. The page said it would take 1-2 minutes; after several minutes it hadn't come back. Not sure what went wrong, or if I just didn't wait long enough. It's too slow, and that is a major hurdle that will have to be overcome in distributed computing. Deana (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2106) ----------------------------------------------------------------------- [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 20, 1998 06:10 AM Author: Ronald William Ward (ronward@arches.uga.edu) Subject: agreed Deana, I also thought this was an excellent site, but had some of the same problems with operating speed. A lot of the stuff available on the internet is like this - there are good and bad, fast and slow days. The same thing happens with the virtual seminar - if there are lots of people logged on at the same time it really slows down. It's problem for effecient distribited computing, but remember how slow everything else used to be 10 years ago (oh oh - I'm dating myself here). caminando por la calle, Ron Ward (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2145) ------------------------------------------------------------------ [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 20, 1998 09:06 AM Author: Deana Pennington (penningtond@geo.orst.edu) Subject: speed If it makes you feel any better...on my first home computer I had to load the system software every time I booted up, from a 5 1/4" floppy disk!!! That was only 15 years ago. I'm sure the Internet speed issue will be resolved in the next couple of years. With Java and a lot of effort, you can get things loaded reasonably quickly now. Deana (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2161) ------------------------------------------------------------------------ [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 20, 1998 10:25 AM Author: Byong-Woon Jun (bwjun@arches.uga.edu) Subject: Re: GrassLinks Australia GRASSLinks Australia. Click it to see. This page is a Web-based interface to GRASS (Geographic Resources Analysis Support Systems) GIS software by US Army of Engineers. Specipically, the page provides a World Wide Web interface to the AGCRC-4DGM database which includes maps covering the geography, geology, and geophysics of Australian continent. I think it is an effective presentation of distributed computing and Internet GIS (especially, Web-based GIS). This site offers three things such as raster/vector data display including zoom/pan, raster data query, access to analysis module including overaly and profile fuctions, and metadata display. I think this type of page takes server-side strategy to provide GIS data and analysis on the Web. This strategy focuses on providing GIS data and analysis on deman from a primary or heavy server that has access both to data and the software needed to process this data. Performance is affected by the bandwidth and network traffic on the Internet between the server and client particulary when reponses involve transfering large fiels. It could be improved to take client-side strategy and high speed network like 100 Mbps and 1 Gbps. The GrassLinks takes form-based user interface. It also seems to be improved by taking interactive graphic user interface. Network bandwidth is a bottleneck of current distributed computing and Internet GIS as all you guys agreed. Jun (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2163) ----------------------------------------------------------------------- [Top][Previous][Next][Print][Reply][Edit*][Move*][Delete*] Date: October 20, 1998 09:38 PM Author: Dawn Wright (dawn@dusk.geo.orst.edu) Thank you very much Jun, for commenting on server-side nuts-and-bolts behind this site as well as the others. Network bandwith is indeed a problem. For those of us in the U.S. I say, "bring on Internet 2!" Please!!! ;-) Dawn (http://forums.library.orst.edu/forums/Index.cfm?CFApp=7&Message_ID=2182)