[OSM-dev] Storing way/relation start offset in PBF file

Christian Vetter veaac.fdirct at gmail.com
Tue Nov 30 21:48:39 GMT 2010


On Tue, Nov 30, 2010 at 9:26 PM, Jochen Topf <jochen at remote.org> wrote:

> Sometimes it is useful to read ways before nodes or relations before way or
> nodes. With the XML format this is not really possible, but with the PBF
> format it could be reasonably easy if we store the offsets in the file
> where
> the way and relations start, respectively.
>

Wouldn't it be easier to just declare your PBF file sorted ( maybe even
topologically sorted )? That way you will always read the ways before the
nodes and relations before ways.

I would support such an extension as it would save me time when parsing the
file.

Greetings,

Christian Vetter
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