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First post on my diary

Nice to see more work on cyclemap-related stuff in France!

tiger data has many mistaken location

You can also use the Yahoo! aerial imagery to help align the roads - make sure it's showing in Potlatch and check it out!

The disappearing NCN75

I'd definitely leave it in there, there's a whole state = proposed concept that can easily be extended to state = closed or whatever.

Green Street, E7

Good to hear that you're having fun - keep it up! There's plenty of stuff you can help out with.

Hosting the State of the Map 2009 event

For the conference, you can either make an application, or email Nick about it. You can see the full call for venues at http://www.opengeodata.org/?p=318

As for the other project idea - we're a pretty diffuse bunch of people, so I'm not sure who exactly you want to arrange this meeting with!

Question on bike trails

I'd say more accurately the ncn stuff is for marking signposted cycle networks, which is different from individual cycle paths (highway=cycleway)

Three days, three places

That wasn't osm.org/?lat=51.551181&lon=-0.253165&zoom=18&layers=B000FTF by any chance was it? When I was transiting between cake sections I found something that sounds very much like what you describe - I carried on without going down it either!

The C2C

Awesome

Cycleways / Fahrradwege

No, this statement is incorrect. Cycleways that are not part of the road (e.g. on a pavement, or completely separate) should either be tagged as highway=cycleway on a separate way, or cycleway=track on the same way that has the highway tag. The separate way(s) is generally preferred.

cycleway=lane is only for cycle lanes on roads that are separated from trafffic by a painted line (or similar).

Mapping license quandry

If there's physically a path, it's easy - it's a path, even if it's not a legal right of way.

Node gluttony for areas

I'll just point out to anyone else reading this that the method described is highly frowned apon by many people in openstreetmap. If you are wondering why, then there's plenty of stuff on the mailing lists about it, and I'm not going to rehash it all here.

Bicycle parking (cycle racks) - capacity Q/wonderings

The capacity should be the number of bikes that can be parked there - but like Shaun says, I'd suggest sticking to two per hoop at the most!

Bowburn outlined...

Definitely a good GPS - make sure you check out adding OSM maps to it for ultimate awesomeness!

Big red postboxes

Cool! You can also add lots of other stuff along the way - telephone boxes and cycle parking stands are my two favourites beside postboxes.

Who is adding administrative boundaries ?

It's not a user called "anonymous", it's an anonymous user. Remember, we have several thousand user accounts that are indistinguishable and we can't contact the users - it's only potlatch that enforces making your edits public.

Distributed Map rendering

I don't think the osm2pgsql diff parsing will be that difficult, it just needs someone focussed on doing so. The base work (slim mode) has already been implemented - because osm2pgsql is lossy it needs a reference dataset to calculate the results of a diff.

At that point, practically every client running t@h could run their own mapnik-powered map all by themselves, and your concerns about not being able to make a map showing everything would become moot.

Finally

Heh. Reminds me of the path at the end of our street ( osm.org/?lat=51.459533&lon=-0.211697&zoom=18&layers=B00FT ) which neither me nor Dave even spotted for the first two years in our flat, despite passing it every single day - since we either turn left or right it just wasn't a direction we'd thought about!

Only partly rendered

No. The mapnik layer doesn't get its coastline directly from the database, and is only updated periodically. See osm.wiki/index.php/Coastline

Tiles At Home lowzoom

I come from a mapnik background, so I'm biased in this - but I'd say give it a shot, it's really satisfying how much one person can get done with it.

London Cycle Network route numbers

I haven't bothered - whatever is on the signs is what goes in OpenStreetMap, and since I'm not using any other maps whatever they happen to say is pretty irrelevant to me!