[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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