[Tilecache] locating bad tiles...

[Christopher Schmidt]

On Thu, May 03, 2007 at 10:14:24AM -0500, John Cole wrote:
> I have a few tiles that apparently have bad image files behind them (TC
> returns very slowly, and the tiles show up white instead of pink). It would
> be nice to be able to set an option in the config file to overlay the
> filename of the tile somehow so I can find the few, seemingly random tiles
> and remove them, without deleting the entire zoom level.

If debug for the layer is on (the default) every tile access is recorded
in the error.log under apache, or wherever stderr goes on other servers.
In this way, you can see the z/x/y of the tile, from which you can
determine the tile.

Not sure if this helps or not.

Regards,
-- 
Christopher Schmidt
MetaCarta