[mapguide-users] Tool tips and Labeling

Johann Muller johannfm at gmail.com
Fri Aug 25 01:45:11 EDT 2006


Is there any errors that occur when you run the command?
And what is the contents of *roads.sql *after you have run the command?

sukalyan chakraborty wrote:
> thanks a lot i've started my jouney on Shortest path calculation.. at 
> the path of my journey
> i'm facing problem on *shp2pgsql D:\roads.shp roads > roads.sql *to 
> convert the sql file into postgreSQL 8 format. it is not converting. 
> Is there any help with anybody??
>
>
>  
> On 8/19/06, *Jason Birch* <Jason.Birch at nanaimo.ca 
> <mailto:Jason.Birch at nanaimo.ca>> wrote:
>
>     There is no direct routing (or geocoding) capability in
>     MapGuide.  However you could implement this at the database
>     level.  Here's a link that might help:
>
>     http://chris.narx.net/2005/12/14/build-your-own-routing-solution/
>
>     I'm not sure if this will work with the OGR provider for PostGIS.
>
>     I guess you could set up a table that contains a cross product of
>     all the nodes, along with the routes between them and the relative
>     costs.  This could get very, very large though.
>
>     Also, you'd have to build some logic to extract the portions of
>     the lines between the start/destination points on the line and the
>     nodes at the start/end of the shortest route.
>
>     You'd probably want to use a few different weighting mechanisms
>     too:  distance, speed, fewest left turns, etc.
>
>     This feature isn't of huge use to me, but I think it should be
>     high on the wishlist.
>
>     Jason
>
>
>     ________________________________
>
>     From: sukalyan chakraborty [mailto:chakraborty.sarkar at gmail.com
>     <mailto:chakraborty.sarkar at gmail.com>]
>     Sent: Fri 2006-08-18 11:28 PM
>     To: users at mapguide.osgeo.org <mailto:users at mapguide.osgeo.org>
>     Subject: Re: [mapguide-users] Tool tips and Labeling
>
>
>     Thanks a lot i've solved my problem
>
>     Now can any body help me how can i implement a routing algorithm
>     on  mapguide to find
>     the shortest path and as well as all posible path.
>
>     Is there any help or link available.
>
>
>     --
>     Thanks A Lot
>     Have A Nice Time
>     Have Fun
>     Be Jolly
>     Sukalyan Chakraborty
>     [Software Developer]
>
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>
>
>
> -- 
> Thanks A Lot
> Have A Nice Time
> Have Fun
> Be Jolly
> Sukalyan Chakraborty
> [Software Developer] 
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