TIGER data does not include information about vehicular travel restrictions such as one-way links or turn limits at nodes.
Charles Dingman, Geographer/301-763-1120
4H040, Geography Division
US Census, 4600 Silver Hill Rd Stop 7400
Washington, DC 20233-7400
[EMAIL PROTECTED] wrote: -----
4H040, Geography Division
US Census, 4600 Silver Hill Rd Stop 7400
Washington, DC 20233-7400
To: [email protected]
From: Tim Bowden <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
Date: 04/23/2007 01:44AM
Subject: Re: [Geowanking] Affordable routing options?
On Mon, 2007-04-23 at 15:27 +1000, Cameron Shorter wrote:
> In answer to my own question. Some one at work has recommended I look at:
>
> http://roadnav.sourceforge.net/features.phpand
> http://roadmap.digitalomaha.net/
>
>
Both of which confirm there is no routing available as they use use
tiger data.
Tim
>
> Tim Bowden wrote:
> > On Mon, 2007-04-23 at 07:35 +1000, Cameron Shorter wrote:
> >
> >> I'm looking for a solution to provide routing, "How do a I get from A to
> >> B" for the US, and then possibly a few other countries.
> >> Ideally, I'd like to use an Open Source routing engine. Does one exist?
> >> Is anyone else looking into this problem? I've found the "Tiger Mapping
> >> and Routing Server" http://sumitbirla.com/software/tmrs.phpbut this
> >> project seems very immature.
> >>
> >
> > PGDijkstra (routing engine) is available for postgis, but I don't believe the tiger data has enough info to do accurate routing. Someone else may be able to clarify here.
> >
> > Regards,
> > Tim
> >
>
>
--
Mapforge Geospatial
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Perth, 6000
Western Australia
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