[Tilesathome] Which oceantiles.dat is used for display?

[Rob Reid]

Maarten Deen wrote the following on 03/10/2008 22:37:
> If you look at
> <http://www.informationfreeway.org/?lat=-74.56&lon=-135.06&zoom=12>, you'll
> see the left tiles as land and the right as sea. The info for the blank sea
> tile is "Displaying empty tile based on oceantiles.dat".
> Which oceantiles.dat is this? Is this the local oceantiles.dat at the user's
> that was used at the time of rendering or is it an oceantiles.dat that is
> present at runtime on the server?
>   
The tah server has a copy of oceantiles that it checks when serving 
blank tiles, this is copied from the svn version daily, so changes you 
check in should be reflected at zoom 12 within 24 hours.
The lowzoom from z6-z11 won't happen automatically as the tiles have not 
changed as far as the server is concerned. Requesting a re-render of a 
z12 tile should trigger a new lowzoom for the corresponding area within 
a day or so.
There is a situation where this may not work as above. The server used 
to store blank tilesets, so for tiles where there is a blank tileset 
(assuming they have not been deleted since) a re-render may be required 
as this will cause the server to delete the blank tileset and revert to 
using oceantiles of that blank tile.
 
rcr