[Tagging] Advice & clarification of the railway tracks=* tag required.

Richard Mann richard.mann.westoxford at gmail.com
Wed Aug 8 10:29:43 BST 2012


I think we're rapidly heading to mapping each track separately. They can
all be labelled as tracks=1 (though the wiki doesn't actually tell you to
do that), but that would be completely pointless. It might have some value
in the interim period, but the tag isn't used consistently enough to make
that meaningful: better just to get on with drawing parallel tracks.

The useful information is the number of passenger running lines (with the
number of goods running lines as supplementary information). The number of
sidings is useful/interesting for different (but separate) purposes. Most
of the lines in that first example should be tagged service=siding or
service=yard.

Maybe I'd better just copy all the info in tracks=* into a new tag, and let
Dave set them all to tracks=1.

Richard

On Wed, Aug 8, 2012 at 2:27 AM, André Pirard <A_Pirard at hotmail.com> wrote:

> **
> Look at this example<http://www.openstreetmap.org/?lat=50.60938&lon=5.57874&zoom=16&layers=M>and ask yourself how to tag track=* on each way according to that user's
> concept ;-)
>
> I have found interesting to map two tracks (vs one line) to visually
> stress that a single track line splits in two on some distance (where
> trains cross like when the English drivers hand those anti-crash control
> sticks over).  My question is: how do I include the second track in the
> relations containing the single line?  Same question when the line is two
> tracks fully, of course.
>
> Now if you look at this<http://www.papou.byethost9.com/tmp/Kinkempois.png>... isn't it tempting to map each rail? :-)  One even sees where their
> straight line segments meet.
>
> But, last question, what's the use of mapping such "micro" details if the
> renderers do not show them.
> I have mapped cellphone aerials (man_made=tower,
> tower:type=communication), several on water towers like this<http://www.openstreetmap.org/?lat=50.534604&lon=5.626856&zoom=18&layers=M>
> .
> The water tower or other support shows, but never the aerial.
>
> Best regards,
>
>   André.
>
>
>
>
>
>
>
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