Andy Allan

@Rovastar no, -1 just means below features that are at local ground level. So a road in an underpass could be tagged layer=-1 without that implying being in a tunnel.

> Roofs need transparency I've said this before and I'll say it again. No transparency. Transparency is used to change the colour of another feature. So if you have a...

We need to be careful with these labels, for a few reasons. Using a single point to represent an ocean is quite an oversimplification! These points are also arbitrarily placed,...

It's something that came up a few months ago, but I haven't thrashed through it fully in my own mind. I suspect there's something to do with physical vs administrative...