Patrick Kilian wrote:
Hi,
For simple map calls there is TRAPI[1]. As far as I know, TRAPI performs
much better on map (bbox) queries than either the main-API, XAPI or ROMA (on
equivalent hardware). Rather than using a database, I think it used a
pre-tiled file structure, so that it simple needs to peace together a bunch
of tiles, rather than do a full search in a db, which massively reduced the
disk seeks necessary.
You point out several points which are correct but not very well known.
TRAPI exists, feeds the tiles@home clients, uses a pre-tiled structure
directly in the file system and is rather fast. Not clue why it is
ignored so often.
Well, for one thing it does not do element predicates, and it only gives small
areas.
Regards,
Maarten
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