[OSM-talk] Problem With Trails

Tyler tyler.ritchie at gmail.com
Tue Jul 21 06:40:30 BST 2009


My crude understanding is that the mapnik renderer is given minutely diffs
of the tiles that have changed during a changeset. Upon the next viewing of
the changed tile a new tile is rendered and displayed. Occasionally a
changeset is missed by the diffs and it takes that section being changed
again or a re-render of the world to catch the changes, I wouldn't worry
about it check it out on T at H (they're there)
http://tah.openstreetmap.org/Browse/slippy/?zoom=14&lat=32.4719&lon=-110.807&layers=BF

As a side note, it looks like your current import toolchain causes lots of
duplicate nodes. see the maplint layer on OSM proper
http://www.openstreetmap.org/?lat=32.4719&lon=-110.807&zoom=14&layers=000BTTFT
figuring
out a way to reduce/eliminate those duplicate nodes before upload, is
probably a good idea.


Woo trails!

-Tyler

On Mon, Jul 20, 2009 at 10:11 PM, Andrew Ayre <andy at britishideas.com> wrote:

> I have uploaded two sets of trails on two different days. The first set
> have rendered, but the second set hasn't. I'm stumped as to why.
>
> I'll give examples of a single trail from each set.
>
> This one works:
>
>   http://www.openstreetmap.org/browse/way/37637417
>
> This one doesn't:
>
>   http://www.openstreetmap.org/browse/way/37847604
>
> Any ideas what the difference is?
>
> Thanks, Andy
>
> --
> Andy
> PGP Key ID: 0xDC1B5864
>
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>
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