[OSM-newbies] Wrong Error report in JOSM (?)

[SomeoneElse]

Gys de Jongh wrote:
> ... Especially so when infact the error report is the only thing
> that's wrong  :(
>
> Here is one of many examples :
>
> network=rcn
> note=23-62
> route=bicycle
> type=route
> Relation ID=1263377
>
> JOSM 7000 Validation :
> Role forward unknown
> Role backward unknown
>

JOSM does seem to have a habit of "crying wolf" more often now than it 
used to - and if it's not explaining why it doesn't like 
forward/backward on cycle route relations, then arguably that's a bug in 
JOSM since it hasn't communicated the problem to you (or me).  I'm not 
sure how many people with in-depth knowledge of JOSM's validation rules 
follow this list - but if you don't get an answer here you might try 
asking on the help site:

https://help.openstreetmap.org/

or perhaps even the JOSM-dev list:

https://lists.openstreetmap.org/listinfo/josm-dev

However, looking at the relation one thing does strike me as odd - it's 
essentially two letter "Y"s joined together

http://www.openstreetmap.org/relation/1263377#map=17/51.66097/5.28077&layers=CN

All way members have got forward or backward on them, apart from the bit 
in the middle

http://www.openstreetmap.org/way/7075208#map=17/51.66096/5.27969&layers=CN

This means that, despite what ra.osmsurround.org says, it's not actually 
contiguous.  This may be deliberate, since it's part of a larger 
relation (and it doesn't seem to be what JOSM's complaining about), but 
I thought tha I'd better mention it just in case.

Cheers,

Andy


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