[osmosis-dev] problems with xapi, relations and osmosis

[Jan Tappenbeck]

Am 12.03.2010 13:52, schrieb Brett Henderson:
> On Fri, Mar 12, 2010 at 11:38 PM, Jan Tappenbeck <osm at tappenbeck.net 
> <mailto:osm at tappenbeck.net>> wrote:
>
>     Am 12.03.2010 12:30, schrieb Brett Henderson:
>>     You need to check both of your OSM files downloaded from XAPI. 
>>     The first one contains the full relation details as you expect. 
>>     The second one contains an empty relation.  Both have the same
>>     version number.
>>
>>     The Osmosis *--merge* task is intentionally simple and doesn't
>>     alter relation contents in any way.  In your case it is seeing
>>     that the relation exists in both inputs, it determines that both
>>     have the same version number, and picks the second one.  The
>>     second one is written to the result file.
>>
>>     The real question to ask is "Why does XAPI return an empty
>>     relation for my second query?".  But that will have to be asked
>>     on the dev mailing list ;-)
>>
>     HI !
>
>     but i did not understand your new question !
>
>     * when you download by
>     http://xapi.openstreetmap.org/api/0.6/node[memorial:type=stolperstein][bbox=5.5,47.4,15.0,55.3]
>     then there are only NODES - RIGHT !
>
>     * when you download by
>     http://xapi.openstreetmap.org/api/0.6/node[memorial:type=stolperstein][bbox=5.5,47.4,15.0,55.3]
>     then there are ALL RELATIONS-Members (even Nodes) and the RELATION
>     defintion.
>
>
> Both of the above URLs are identical.  I think you meant:
>
> URL1 - 
> http://xapi.openstreetmap.org/api/0.6/node[memorial:type=stolperstein][bbox=5.5,47.4,15.0,55.3] 
> <http://xapi.openstreetmap.org/api/0.6/node%5Bmemorial:type=stolperstein%5D%5Bbbox=5.5,47.4,15.0,55.3%5D>
>
> and
>
> URL2 - 
> http://xapi.openstreetmap.org/api/0.6/relation[name=Stolpersteine][bbox=5.5,47.4,15.0,55.3] 
> <http://xapi.openstreetmap.org/api/0.6/relation%5Bname=Stolpersteine%5D%5Bbbox=5.5,47.4,15.0,55.3%5D>
>
> Unless I'm mistaken, URL1 returns a file containing the following entry:
> <relation id='407359' user='Netzwolf' uid='32786' 
> timestamp='2010-03-05T21:26:43Z' version='75' changeset='4044847'>
> </relation>
>
>
>     ONLY the MERGE file include the RELATION-Definition by ONE LINE
>     !!!! - so i did not see a Problem by XAPI. OSMOSIS lose the
>     relation-MEMBERS -> OSMOSIS-Question !
>
>
> Can you please open your two OSM files and check them before you add 
> more !!!!!!'s to your emails ;-)
>
> Cheers,
> Brett
>

Hi Brett,

the URL's are not identical !!! URL1 ask for NODE and URL2 ask for 
RELATION !!!

regards Jan :-)
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