[Routing] Pyroute / pyserver (was Updated pyroute)

[Mark Williams]

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Having had another play, I see that the Pyrender map hasn't got the
crossings at Dartford / Thurrock; the M25 just stops at J31! This is
where it becomes the A282 to go over/under the river.

The only error I can see is that someone has set maxspeed=50mph - not in
map features but, I think, moderately accepted though I won't use it.

Similarly, the A13 doesn't come up around this same junction. My route
through London actually takes the A1306 (old A13) instead! I'm not sure
at present why - I'm going to delete my cache & try it again while I'm
out now...

Mark

OJ W wrote:
> just a quick note on the weightings file:
> 
> the number for each route type is a divisor for distance. so a value
> of 3 means "I'd rather travel 3 miles on this type of road than 1 mile
> on an unclassified road"
> 
> At the moment, it has:
> 
> 'motorway': {'car':10},
> 
> so it will go 10 miles on motorway in preference to 1 mile on
> unclassified road or 2 miles on primary road.  Those numbers are
> probably wrong so feel free to change them - all the optimisations
> I've done so far have been for cyclists.
> 
> I suspect it's getting confused by the trunk roads through london, and
> thinking they're the same as real trunk roads in ruralshire which you
> can actually travel along at an appropriate speed.
> 
> p.s. anyone know if our "toll areas" (e.g. congestion charge) are in a
> consistant direction?  e.g. if they were all anticlockwise then you'd
> know that crossing the boundary from right to left of the way incurs
> the charge without having to download the whole lot and do an "is
> inside?" calculation.
> 
> 
> 
> 
> 
> On Fri, Jun 20, 2008 at 12:18 AM, Mark Williams
> <mark.666 at blueyonder.co.uk> wrote:
> OJ W wrote:
>>>> Import should be complete now. Delete any cached data to see the new copy.
>>>>
>>>> the easiest way to check the data in your area is probably to run
>>>> pyrender and view the slippy map in a web browser
>>>>
> OK, great - that works a lot better. I see it's optimised for shortest
> distance - cross London rather than M25. I'll explore it later & see
> what's tweakable.
> 
> That took a few minutes to get to the far side of Wales, including
> download (with the OSM servers down, so as tough as it's getting?) &
> succeed on all my previous failed tests, so clearly the old data was the
> answer. Additionally it finds my favourite routes ;)
> 
> Well done, and thanks!
> 
> Mark
>>
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