[OSM-dev] using osmosis (was Re: Max size of changeset with josm (in kb))
acrosscanadatrails at gmail.com
Sun May 31 23:04:11 BST 2009
Im slowely figuring it out. :)
I got osmosis to run, and now playing with the .bat file to make it work.
It stalled with an error
"thread for task 1-read-xml failed"
and "unable to read XML file.
and "Invalid byte 2 of 3-byte UTF-8 sequence"
Does the script need to call any files from the lib/ directory?
Who is the creator of this program that might be able to help?
Unfortunately it still asks me to put in the bounding box coordinates. I
guess there isn't a way to simply slice the .osm file in 16 (it looks like
it has to be .bz2)
On Sun, May 31, 2009 at 9:52 AM, Chris Jones <rollercow at sucs.org> wrote:
> On 31 May 2009, at 15:40, Sam Vekemans wrote:
>> I already got part of the answer - 50,000 (things; nodes, lines, areas
>> -total) so now i want to know, what approx size (in mb, kb) is safe?
>> I loaded a changeset of 358 kb and it seemed happy. Would 1 meg be too
> Size all depends on the volume of tags attached to the objects.
> I know that there is a max geographical download area built in, (it's
>> say's "download area OK, size probably acceptable by server") but is
>> there a time out or an exact max file size to download? (a squak
>> level) (i know that i download a large area when im tracing from my
>> GPS Tracks. (Victoria is about 8 megs) and so it takes a little time
>> to load, so i dont load that big area any more, i just open that old
>> Victoria file, then zoom to the area im working in, then get the
>> latest updates for that small area.
> There a limits (on the main api) on both area 0.25 degree squares and
> number of objects returned.
> See http://api.openstreetmap.org/api/capabilities
> Also, is there an easy way i can chop the .osm file into 4 or 16 happy
>> geographical area chunks? Thus, smaller file sizes to deal with.
> Osmosis - http://wiki.openstreetmap.org/wiki/Osmosis
> Chris Jones, SUCS Admin
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