AJ Ashton wrote:
> We've found that the lack of familiar London Underground and
> National Rail icons is a particularly strong sticking point with
> people who would otherwise happily switch to OSM, which is
> partly why we chose to focus on it.
Absolutely. It does look really good. :)
> I guess our excitement to make awesome maps tripped us up
> here. Richard pointed out specifically that 'the "network=National
> Rail" tag is of debatable value and relevance'. I'm curious about
> the details of why.
Sadly anything to do with our godforsaken privatised railway system is
always more complicated than it needs to be!
For me I think the most problematic aspect is that there are actually
several things that could be called "networks", particularly in urban areas
which have PTEs ("Passenger Transport Executives") or similar. For example,
there's Network West Midlands around Birmingham, Metro in West/South
Yorkshire, Merseytravel/Merseyrail in Liverpool, and so on. (London has its
own peculiarities.) So you end up with "network=National Rail;Metro" which
is nasty, and breaks most toolchains which don't understand multiple values
for one key.
It may lend itself to an ncn/rcn/lcn or nwn/rwn/lwn solution, or Richard M's
idea of using a distinct tag, or tagging station operators (e.g.
"operator=First Great Western") and rendering based on a set of those. I'm
tempted to suggest a generic tag for any country's national railway system
("mainline=yes|no" or somesuch), and then you could render based on this tag
and the UK polygon. Or indeed we could just go with "network=National Rail"
as a good enough solution. I'd be interested to hear what others think.
cheers
Richard
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