[Tilesathome] Lowzoom Place Labels displaced

[80n]

I wonder if there has been some kind of Lowzoom regression recently?

This doesn't look right (roads in the middle of the Atlantic):
http://www.informationfreeway.org/?lat=47.123941534554994&lon=-13.118355439939368&user=80n&zoom=6&layers=B000F000F

And the Outer Hebrides has got spots:
http://www.informationfreeway.org/?lat=57.256443738709635&lon=-8.306344763441256&user=80n&zoom=7&layers=B000F000F

And half of Germany has gone:
http://www.informationfreeway.org/?lat=50.9483202385237&lon=12.106935116925818&user=80n&zoom=6&layers=B000F000F


On Thu, Sep 18, 2008 at 8:33 AM, Rob Reid <rob at robreid.co.nz> wrote:

> Frederik Ramm wrote the following on 18/09/2008 18:46:
> > Hi,
> >
> >     I have somehow lost overview over the lowzoom process. A user has
> > reported displaced placenames on t at h z11 to me:
> >
> >
> http://informationfreeway.org/?lat=50.47202017317468&lon=7.795465134494669&zoom=11&layers=B000F000F
> >
> > The label offset is about 10km north(-east-ish) in the whole area.
> >
> > Is this still normal behaviour (I know we used to have projection
> > issues), or should this have been fixed in the mean time?
> >
> I'm still seeing projection problems with or/p in lowzoom as well.
> See
>
> http://lists.openstreetmap.org/pipermail/tilesathome/2008-August/003086.html
> for when I reported it.
> Down around NZ the offset appears to be south rather than north.
> I'm have not done any testing on it but I suspect it seemed to start
> appearing about the time the op/p proximity filter was added.
> > Also, the same user reported some white squares on zoom levels 11 and
> > smaller, which seem to be lowzoom artifacts. Can I tell him to just go
> > to z8 on informationfreeway and hit "r", or what is the current
> > established procedure to either update a lowzoom tile yourself or
> > request that someone else do it?
> >
> I have not seen white squares but i have seen black squares which could
> be related and was caused by a client bug relating to blank z12 blank
> tiles handling,
> see
>
> http://lists.openstreetmap.org/pipermail/tilesathome/2008-August/003457.html
> The affected tiles look ok at zoom 12 but any lowzoom based on them is
> faulty.
>
> Lowzooms  for z6-11 are currently done by the server based on z12
> changes and I think are done approximately daily so the best way to
> trigger one is to request a re-render on a z12 tile and then wait for
> that to trigger the lowzoom.
> The caption layers used to produce lowzoom are still generated manually
> by clients though so if you see a problem with captions you need to
> regenerate the captions manually and upload before trying to trigger the
> lowzoom.
>
> rcr
>
> _______________________________________________
> Tilesathome mailing list
> Tilesathome at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/tilesathome
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tilesathome/attachments/20080918/af0ea357/attachment.html>