Am 01.02.2013 um 15:01 schrieb Janko Mihelić <[email protected]>:

> I think that's harder than you think. What if you have the next example:
> 
> http://i.imgur.com/ETBsfSQ.png 
> 
> How does the renderer preprocesor know if the middle line is inside the 
> bridge area? It has to make some difficult calculations for that. And the 
> blue line is outside, although it shares two nodes with the bridge. (I know 
> it would rarely happen, but it will happen.)

If I'm not mistaken it could work like this:
If a way with bridge=yes is connected to a way with man_made=bridge follow the 
way with bridge=yes and all connected ways until you reach a way without 
bridge=yes. All those ways belong to the bridge marked with man_made=bridge.

Regards,
Martin

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