[talk-au] [OSM-talk] RFC: Tagging and rendering Australian highway numbers

[Brent Easton]

Just getting back to this,

I would really like to sort out some general Australian specific scheme we can use for tagging now that can potentially be rendered nicely by Cameron, and hopefully eventually on Mapnik and Osmarender.

Every time I tag a road with a reference, I grind my teeth and wonder if I am wasting my time. I have given up tagging most routes because it ends up looking like crap.

We will have to continue to use the 'ref=' tag as it is for anything we want rendered on Mapnik and Osmarender as it currently does.

I propose the following additional tags


ref:au=H1     Highway 1 - (black on white shield)
ref:au=N31    National Highway - (yellow on green shield)
ref:au=M2     Metroad (blue on white hexagon)
ref:au=S151   State Route  (white on blue shield)
ref:au=T5     Tourist Route (white on brown shield)
ref:au=A1     A Roads in states that have them (white on green rectangle?)
ref:au=B2     B Roads in states that have them (white on green rectangle?)
ref:au=C3     C Roads in states that have them (white on green rectangle?)

Cameron, Is this easy for you to parse?

Please, rip this proposal to shreds...What have I missed? Are there state variations we need to cater for (ref:au:vic=C2)?


Cheers,
Brent.

*********** REPLY SEPARATOR  ***********

On 25/07/2007 at 8:53 PM Cameron Patrick  wrote:

>G'day again,
>
>Along with the experimenting with Mapnik I've been doing, I've also been
>trying to add the correct symbols for Australian highway numbers.
>Unfortunately, it's a bit of a mess because there are several different
>types of them, each with different colours and their own 'shield'
>symbols.
>
>But first, the cool stuff - here's a map of Perth with ref= rendered
>using the right symbols:
>
>        http://largestprime.net/cameron/osm-tmp/perth-z12.jpg
>
>You can see the blue-and-white state routes and green-and-yellow
>national routes (Great Eastern and Great Northern highways here).  The
>icons come from Wikimedia Commons and are public domain.  The downside
>is that I'm using a different image for each route number, which doesn't
>scale particularly well, because it entails a new mapnik rule for each.
>
>You also see that the city turns into somewhat of a sea of route shields
>in the zoomed-out view; and there are plenty of roads with route numbers
>assigned which aren't shown in that image above!  Some kind of control
>over this in Mapnik would be handy.
>
>There's also been quite a few 'standards' that people have used for
>tagging the route numbers, with additional, er, excitement from the fact
>that a single stretch of road can have multiple routes assigned to it.
>Does anyone on talk-au have any opinions there?  From what I've seen
>driving around (and from consulting Wikipedia), here are the various
>types of route signs in use in Australia:
>
> * State routes (white text on blue shield for numeric; white text on green
>   rectangle for alphanumeric e.g. M5, A8)
> * Australian routes (black text on white shield; AFAIK Highway One is
>   the only one of these that exists)
> * National routes (yellow text on green shield)
> * Tourist routes (white text on brown shield)
> * Metroads (blue number inside a hexagon - only in Sydney and Brisbane)
>
>I'm not sure whether it'd be best to use different tags for each type
>(e.g. ref=2, national_ref=94, etc) or to have a more detailed value for
>ref, e.g. "ref=Metroad 5", "ref=National M1".
>
>Cameron
>
>
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____________________________________________________________
Brent Easton                       
Analyst/Programmer                               
University of Western Sydney                                   
Email: b.easton at uws.edu.au