[osmosis-dev] Announcement of the OSMbin file-format

[Karl Newman]

On Wed, Feb 4, 2009 at 5:16 AM, <marcus.wolschon at googlemail.com> wrote:

> On Thu, 05 Feb 2009 00:02:37 +1100, Brett Henderson <brett at bretth.com>
> wrote:
> > Good stuff!
> >
> > I'd like to play with the dataset support in particular.  A persistence
> > mechanisms that doesn't rely on a full database would be very useful.
> >  From your docs on the Osmosis/DetailedUsage page it looks like you
> > don't have full dataset support yet.  Is that something you plan to add?
>
> Yes I do.
> Random access is already working but streaming access is not implemented
> yet.
> I am still thinking about how to
> create a ReleasableIterator that can return all nodes AND ways AND
> relations.
>
> Also the reading of a bounding-box is still memory-bound as I need to
> know all nodes to know what ways and relations to return. And I need
> to keep note on what ways/relations I have already returned to not return
> them twice.
> Any hints where in osmosis I may look? I guess you had to do similar
> bookkeeping in other tasks already.
>

Look at the IdTracker interface (core.filter.common) and see how it's used
in the AreaFilter task (core.filter.v0_6).

Karl
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