[Talk-us] Do we want overlaps to be rendered? Or do we want to wait for relation support that may never come?

[Ian Dees]

On Tue, May 10, 2011 at 7:52 AM, Lennard <ldp at xs4all.nl> wrote:

> > Or you could simply apply the shields to the geometries created by route
> > relations, greatly simplifying the ref parsing crap. Since the tile
> server
> > is running Mapnik trunk-ish now, you should be able to use the SVG
> > symbolizers (which should allow you to specify the contents of an SVG
> > using
> > a DB value rather than having separate SVGs for each shield).
>
> That's also possible with non-SVG symbols, and I'm not so sure we can
> dynamically scale SVG symbols based on text size reported by postgresql.
>
> However, the osm.org tile server may be running a very recent trunk
> version of mapnik2, we're not targeting any of the features available in
> mapnik2 yet.
>
> The problem is two-fold:
> 1) One of the stylesheet developers uses Windows. There is currently no
> mapnik2 Windows build. I think one of the GSoC projects this summer will
> be about making a solid Windows build.
> 2) Switching over the stylesheet and using new features without
> announcement will mean other tile servers could be falling over left and
> right. We should give them some notice and time to prepare. I'd love to
> move to mapnik2 proper, but let's do it the right way. This is not exactly
> a 0.6->0.7 switch. Lots of dependencies need to be updated as well.
>
> Perhaps we need to leave osm.xml as is, and create a clone to move to
> mapnik2 syntax/features.


I was not suggesting that we switch anything on the OSM tile server at this
point. I was trying to get Nathan to the point where he could experiment
with showing shields on his local machine.
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