[OSM-talk] osmosis --tee and heap space

[Martijn van Exel]

On Wed, Aug 24, 2011 at 12:39 PM, Frederik Ramm <frederik at remote.org> wrote:
> Hi,
>
> Martijn van Exel wrote:
>>
>> I am trying to cut a large number (hundreds) of polygons out of a
>> planet file, using the --tee option in osmosis to do it all in one go.
>> It fails with a heap space error. My heap space is set to 2G.
>
> Maybe that's not enough then ;)

I don't have much more to spare I'm afraid!
I tried doing it in batches of 10 polygons which seems to be going
fine, although in the end it will be slower I guess.
>
>> What I'm trying to do is extract OSM data for each of the central
>> cities of the US metro areas[1]. If there's a better way to do that,
>> I'd love to hear about it.
>
> If you need polygons, use
>
> https://github.com/MaZderMind/osm-history-splitter

Interesting. That works with a regular planet file as well, then?

> if you can work with bounding boxes, then
>
> http://trac.openstreetmap.org/browser/applications/rendering/gosmore/bboxSplit.cpp
>
That won't do but thanks for the tip.

Martijn
-- 
martijn van exel
schaaltreinen.nl