12:33 p.m.
I've been looking at OpenRailwayMap for GB, where I live. I thought at first that it
was missing numerous lines, but on investigating further I find that this is because large
numbers of ways have no usage tag, and it looks like OpenRailwayMap only shows lines which
are not tagged as 'main' or 'branch' when you are zoomed right in. Having
to edit each way separately would be a large amount of work, especially as lines often
consist of multiple ways. What's the simplest way of (a) finding which ways don't
currently have it, and (b) adding the appropriate tag? Without it, I fear that
OpenRailwayMap is of limited use.
2:50 p.m.
Am Dienstag, 19. Mai 2020, 12:33:38 CEST schrieb osm(a)peterrobins.co.uk:
I've been looking at OpenRailwayMap for GB, where I live. I
thought at first
that it was missing numerous lines, but on investigating further I find
that this is because large numbers of ways have no usage tag, and it looks
like OpenRailwayMap only shows lines which are not tagged as 'main' or
'branch' when you are zoomed right in. Having to edit each way separately
would be a large amount of work, especially as lines often consist of
multiple ways. What's the simplest way of (a) finding which ways don't
currently have it, and (b) adding the appropriate tag? Without it, I fear
that OpenRailwayMap is of limited use.
I'm not entirely sure if I understand your problem. It may be one of the
following 3 (or something entirely different of course):
-lines with both usage as well as service are not shown: this is a tagging
mistake and we force users to correct there things with that
-lines without usage are not shown at low zoom levels. Things without usage
are likely minor tracks, drawing them on low zoom levels would clutter the
output and slow down the renderer. If it's important, it probably _is_ a main
or branch line.
-lines with some special usage values (like military) are permitted to also
have service tagged, but they are currently not rendered (https://github.com/
OpenRailwayMap/OpenRailwayMap-CartoCSS/issues/7)
9:53 a.m.
thanks for the reply. The problem is your item 2. The railway lines are all in OSM, and
are all displayed in the standard OSM tiles. The problem lines however have no usage tag,
and so are treated by OpenRailwayMap's renderer as 'minor tracks', even though
they're not.
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