[Talk-de] Osmosis-Fehler bei negativer user Id

2010-12-02 Thread Stefan Pflumm
Hallo,

Ich hab mir gerade von geofabrik die Datei germany.osm.bz2 heruntergeladen 
und wollte mit osmosis alle nicht-straßen ways herausfiltern. Jetzt bekomm 
ich aber folgenden Fehler:

org.openstreetmap.osmosis.core.OsmosisRuntimeException: A user id of -1 is not 
permitted.

Ich hab das schon ein paar mal mit früheren Kartendaten gemacht, der Fehler 
trat heute das erste Mal auf. Weiß da jemand ne Lösung?

Gruß Stefan

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Re: [OSM-talk] Two different ways with the same nodes?

2010-02-11 Thread Stefan Pflumm
Frederik Ramm schrieb:
 In our neck of the woods, a typical example for two ways sharing the 
 same nodes would be a road with a tram line on/in it. We do not create 
 one way that has both highway=residential and railway=tram (because 
 then, if the way also had a ref=, name=, or oneway=, would that refer to 
 the tram or the street?) - instead we have two ways using the same nodes.
   

Yes, the tram is a good example for sharing nodes. But i forgot to 
describe this
more precisely: this ways are all highways. If you drive by car, a 
street it is always the same, has the same name and
speed. Sometimes it's part of a trunk or a special touristic route, but 
this can descibed by tags.

I personally can't imagine that theres a good reason why highway-ways 
share the same nodes, but my way of thinking might be wrong.
I will accept this and find a solution for my database.

Thank's to all for the answers.

Stefan



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[OSM-talk] Two different ways with the same nodes?

2010-02-10 Thread Stefan Pflumm
Hello,

Is it allowed (or intended) that two different ways share the same 
edges? For example:
there are nodes a, b, c and two ways A, B with:
A = (a, b, c)
B = (c, b, a)

While loading some osm data in a database i realized that there are some 
ways with this problem, so
is this a correct feauture or a mapping error?

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[OSM-talk] gps map machting algorithm

2008-06-03 Thread Stefan Pflumm
Hello,

I'm currently working on my diploma thesis more realistic speed costs for 
roads. In this thesis, i will evaluate gps tracks to get better time costs für 
road
sections. This data will be saved and could be applied in future, above an api, 
together with osm routing software. 

For this thesis, i need a solution for the gps matching problem with osm data. 
I read several papers, but there are a lot of different methods. 

Has somebody experience in gps map machting algorithms and can recommend me a 
method?

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