Re: Open Source GIS System

have you had a chance to look at University of Minn Mapping Server?
http://www.esri.com/software/arcgis/arcgismobile/index.html

M--
----- Original Message -----
Wrom: OQKEDOTWFAOBUZXUWLSZLKBRNVW
To: <pgsql-general(at)postgresql(dot)org>
Sent: Thursday, November 08, 2007 3:14 PM
Subject: [GENERAL] Open Source GIS System

> Hi,
>
> I am preparing to build up a GIS system as part of my University
> Masters Thesis. My final aim is to build a system where the user
> inputs (or via GPS) inputs the location where he is and the location
> where he want to go and gets the route planned. My main concern will
> be that the driver can decide which route to take, if the shortest
> distance, least time consuming or else least fuel consumption. Also
> the route planned has to be aware of certain problems that the network
> can find, for example road blocks, or some other type of incidents /
> accidents. May I point out that I need to use only Open Source
> Software.
>
> I am think to use this algorithm to work with :
> 1. User inputs starting and ending
> 2. A script checks the options sent by the user
> 3. The streets which are "blocked" by something are mentioned as
> inactive
> 4. A route is planned
> 5. The route is sent as an image to user
> 6. Wait 20 seconds
> 7. If start = end goto 10 Else :
> 8. Reread position (maybe using GPS.. or random new coordinates from
> the map)
> 9. Go back to step 3
> 10. Send a msg : Thanks for driving safely or some other msg :)
>
>
> Now, from the research I have done, it seems I need these Open Source
> software, and this is what I got the presumption they will suffice
> for :
>
> PostgreSQL + PostGIS : Basically where to store the data
> GRASS : For data Management
> QGis (with GRASS extension) : Frontend for viewing the data
> pgRouting : To create the route
> OpenLayers : To create the image to be sent to the user's browser. I
> want a static image which then will be updated every lets say 20
> seconds.
> PHP : To write the scripts to communicate with the PostGIS / User +
> HTML 4.0
>
> What do you think about my setup please? Is there some software you
> think I should replace or rethink about using? Following my algorithm
> and the software I am looking at, I think that I need to do like
> this :
> a. A script in PHP which captures the data and then echo the image
> using OpenLayers to the user's browser
> b. QGIS (with the save file of the base-map and the roads marked)
> which allows the Road Network Admin to disable any Road, and another
> PHP Script that can read the starting, ending coordinates of the road
> and allow a User to report that there are problems in the road.
>
> Any comments / suggestions / change of plans would be extremely
> appreciated at this stage,
>
> Whilst thanking all of you for taking time to read this post, I really
> wish to hear your opinions.
>
> Thanks and Regards
>
> Matthew
>
>
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>