[Tilesathome] t at h server performance

[Alex S.]

Martijn van Oosterhout wrote:
> The whole point of the exercise is to not store all those [blank
> tiles]. Doesn't really matter how, just need to find a way.

I like the idea of using a pixmap..  Say, XPM..  That provides you with 
a nice three-dimensional array in a format that's very compressible, and 
readily extensible to include other than land/sea/forest/etc. as needed.