[Tilesathome] oceantiles.dat fallback of server

[Matthias Julius]

spaetz <osm at sspaeth.de> writes:

> On Wed, Oct 22, 2008 at 07:51:55PM -0400, Matthias Julius wrote:
>> There seems to be a problem with the oceantiles.dat fallback
>> mechanism of the server.  For example
>> http://server.tah.openstreetmap.org/Browse/details/tile/12/3800/894/
>> shows a transparent tile.
>
> As Dirk said, mixed tiles are sent as transparent now. As mixed tiles
> should never be shown as empty (they do contain coastline per
> definition), oceantiles.dat needs fixing there.
>
> I chose transparent to enable people to distinguish sea from mixed
> tiles in the oceantile.dat layer as elaborated in another mail.

That makes some sense.  I had missed that.

It might be better to send an error tile or just a HTTP error in these
cases.  With the transparent tiles one doesn't know whether it is
still loading or something is broken because they're invisible.

Matthias