[Tilesathome] New waterway rendering

[Patrick Kilian]

Hi,

> That wasn't obvious to me, so I simply double each value relative to
> the next higher zoom level.
I see.


> BTW, is there a reason why the width-scale-factor attribute is not
> utilized (i.e. always =1)?
Well. That is what the old code had and I didn't have time nor
motivation to figure out if 1 is always correct or what should be used
instead.


Patrick "Petschge" Kilian