[mkgmap-dev] comparison of relation tag and way tag

Tue Mar 17 11:18:03 GMT 2015

Hi Mike,

I think this problem is a bit like the one that was solved with the
not-contained filter that was recently added.
Maybe you can code a similar filter to solve your problem?

Gerd

Mike Baggaley wrote
> Hi, I have the following lines in my relations file:
> 
> type=route & (route~'.*foot.*' | route~'.*hiking.*') &
> network~'.*[nr]wn.*'
> & name~".*\(.*\)" { set name='${name|subst:"\(.*\)~>"}'}
> type=route & (route~'.*foot.*' | route~'.*hiking.*') &
> network~'.*[nr]wn.*'
> & name=* { apply_once { set hikingroute=yes; set rn='$(rn) & ${name}' |
> '${name}'; } }
> 
> This is working, but if for example the way has two hiking relations with
> names "Shropshire Way (Route 1)" and "Shropshire Way (Route 2)", the first
> rule changes the names of both relations to "Shropshire Way", and the
> second
> rule sets the rn tag of the way to "Shropshire Way & Shropshire Way". I
> would like to check whether the rn tag on the way already contains the
> name
> of the relation (or is equal to if contains can't be done), so that I end
> up
> with rn as "Shropshire Way". Can anyone tell me how this can be achieved?
> 
> Thanks,
> Mike
> 
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