[OSM-dev] Call to mobile developers: OSM binary file format

Rob rob at coolbegin.com
Thu Aug 7 10:02:27 BST 2008

indeed, every application has other requirements
- editors, wants all data, read/write
- rendering, wants (very) limited datasets, readonly
- routing, remote or local ? ....

i like the discussion

2008/8/7 Chris Browet <cbro at semperpax.com>:
> Dear mobile developers,
> We all have the same problem: the XML OSM format is not efficient for mobile
> devices.
> For the time being, we all develop our own solution to transform the XML in
> whatever binary format suitable for a mobile application, often forcing the
> user to use a specific desktop application for the transformation.
> I would like to know if some of you would be interested in developing a
> common binary format, rather than each application having its own,
> incompatible with the others.
> I know that there is a proposal at
> http://wiki.openstreetmap.org/index.php/OSM_Mobile_Binary_Protocol, but it's
> mostly server-based.
> For merkaartor, I created an osb format (in anticipation of a winCE version)
> loosely based on the proposal, but I don't agree with everything, so there
> are some discrepancies.
> If there is a critical mass of developers agreeing to work on this, we can
> then organize the details.
> - Chris -
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