[Tilesathome] Transparent empty tile

[Sebastian Spaeth]

Marc Schütz wrote:
> http://server.tah.openstreetmap.org/Browse/details/tile/12/979/1023/
> http://server.tah.openstreetmap.org/Browse/details/tile/12/914/1031/
> 
> The tileset status page shows a transparent tile for them.

> http://server.tah.openstreetmap.org/Browse/details/tile/12/915/1031/
> This tileset is empty too, but an empty land tile is shown.
> 
> What is the difference between these tilesets?

They are shown as transparent if ocentiles.dat has the recorded as
mixed. That means that either oceantiles.dat is wrong or there is
coastline data missing. Either should be fixed :-)

Sebastian