[josm-dev] MAPCSS

[Norbert Renner]

I also would like to see MapCSS fully supporting relations.

I did a proof of concept for hiking routes a while ago [1], to see what 
that would require and how it could look like [2] (the actual 
specification and implementation should probably be done by someone more 
familiar with MapCSS and JOSM code). So I'm excited to see the new 
functions covering part of these requirements - thanks Paul!

It would be great to have all this in a JavaScript renderer as well. But 
from the discussions on the MapCSS list [3][4], it seems like others 
want MapCSS to be standardised first before adding further features - 
but not much has happened? Furthermore, with iD using plain CSS and the 
main style being ported to Carto, I'm not sure about using MapCSS anymore.

Norbert

[1] http://josm.openstreetmap.de/ticket/7151
[2] 
http://josm.openstreetmap.de/attachment/ticket/7151/hiking-demo-screenshot.png
[3] http://lists.openstreetmap.org/pipermail/mapcss/2012-April/000292.html
[4] http://lists.openstreetmap.org/pipermail/mapcss/2013-March/000342.html


Am 02.03.2013 19:03, schrieb Jo:
> Hi,
>
> I noticed some new mapcss functionality. Good to see that it's being
> developed further.
>
> What I would like from mapcss is a way to get a list of values for a given
> tag, for parents of an object with certain properties:
>
> A way or a bus stop can be part of several relations. I'd like to get a
> list of all the bus route relations it's part of. The tags I want to show
> are ref (as a space delimited string next to a way or a semicolon delimited
> string for a bus stop) and colour.
>
> With the list of colours I'd like to be able to create spiderlike diagrams.
>
> 1 colour: use it for color property
> 2 colours: use it for color and right-casing-color properties
> 3 colours: use it for color, left-casing-color and right-casing-color
> properties
>
> More than 3 colours would probably not be possible, I suppose. Maybe with
> an offset on a different layer?
>
> Is this wishful thinking?
>
> Polyglot
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