[OSM-dev] visible-Flag in PBF

Jochen Topf jochen at remote.org
Sun May 8 10:27:32 BST 2011


On Sat, May 07, 2011 at 03:15:32PM -0500, Scott Crosby wrote:
> Be able to skip blocks with unwanted entity ID numbers:
>        optional int64 min_id =11
>        optional int64 max_id_delta = 12 (Delta to the max id)
> 
> Also about 10 bytes per block.

I can't think of any use case where you would need that, because there is no
relationship between those IDs and anything you are interested in the real
world. If you have a small list of IDs and want to read only those, it could
make sense. But that list had to be very small.

Jochen
-- 
Jochen Topf  jochen at remote.org  http://www.remote.org/jochen/  +49-721-388298




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