[Tagging] layer=-1, rivers, bridges and tunnels
f at zz.de
Fri Mar 14 17:20:27 UTC 2014
On Fri, Mar 14, 2014 at 04:20:13PM +0000, Richard Mann wrote:
> Setting the river to layer=-1, and the bridge to layer=0 (or 1) avoids a
> range of rendering artefacts when roads have casings (which they usually
> do). Good practice is only applying that to a shortish section of river,
> I don't know why the wiki has a statement against it - it always seemed
> like a unilateral "I don't like it" from Nathan Edgar the second.
When a bridge is above a river the river stays at layer=0 e.g. no tag or
split at all and the road will get split (you'll need the bridge tag
anyway) together with a layer=1.
So you duplicate the layer=1 tag for every bridge.
Florian Lohoff f at zz.de
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