[Talk-GB] routing on the road network

2012-05-16 Thread Tim Pigden
Hi This is a general question about the current state of the maps. When we use our commercial road networks (OS Mastermap Navteq) for road routing we tend to assume that the roads have been analysed for connectivity, that there are no one-way streets leading to dead ends, that you can't turn left

Re: [Talk-GB] routing on the road network

2012-05-16 Thread Rob Nickerson
Hi Tim, I expect that you would find a good appetitie to fix any problems if we can see that this will be highly valued (i.e. used in a great tool), and the bug reports are simple to understand. I'll leave comments about the quality to others, suffice to say that in the Midlands the roads and

Re: [Talk-GB] routing on the road network

2012-05-16 Thread Frederik Ramm
Hi, On 05/16/2012 11:56 AM, Tim Pigden wrote: that there are no one-way streets leading to dead ends, This is not common in OSM but I am not aware of anyone doing a network analysis that would fix such a problem. that you can't turn left off a flyover onto the road underneath In OSM,

Re: [Talk-GB] routing on the road network

2012-05-16 Thread Philip Barnes
On Wed, 2012-05-16 at 13:42 +0200, Frederik Ramm wrote: Appetite, yes, but you can also easily chase people away if your system detects too many things where people don't think it's a bug at all, so some tuning might be necessary. One of the weaknesses of most of the existing systems (with

Re: [Talk-GB] routing on the road network

2012-05-16 Thread rob . j . nickerson
As noted there are some tools available to help find potential errors that effect routing. Have a look on the QA page [1], specifically at keepright, OSM Inspector and MapDust. As for editing OSM and proposing new tags, OpenStreetMap works a bit like wikipedia - we have a very flat structure

Re: [Talk-GB] routing on the road network

2012-05-16 Thread Andy Allan
On 16 May 2012 12:42, Frederik Ramm frede...@remote.org wrote: On 05/16/2012 11:56 AM, Tim Pigden wrote: that there are no one-way streets leading to dead ends, This is not common in OSM but I am not aware of anyone doing a network analysis that would fix such a problem. Keepright has this

Re: [Talk-GB] routing on the road network

2012-05-16 Thread Andy Allan
I don't think the email below made it to the list: On , Tim Pigden tim.pig...@optrak.com wrote: Error reporting would definitely be a challenge.Are there existing facilities to add suspect type tags to enable OSM itself to be the primary reporting medium? I haven't looked into the details of