[Tilesathome] New waterway rendering

[Patrick Kilian]

Hi,

>>> In my opinion the default widths for streams and especially
>>> drains are too large: 
>> http://www.openstreetmap.org/?lat=49.9552&lon=10.8792&zoom=14&layers=0B00FTF
>> Well, "drain" seems to be the prefered tag for storm sewers. And
>> the storm sewers I know tend to be big. ~30 meters or so...
> OK; I have just noticed this proposal
> http://wiki.openstreetmap.org/wiki/Proposed_features/Ditch. I'm going
> to use that in the future.
Makes sense. That one should be quite small in my opinion. About 1 meter
 at z17 and about 1 png pixel at z12.


>>> If noone objects I will reduce the default widths and introduce a
>>> minimum width for all zoom levels when I get to it.
>> If you want to add support for the width tag just do it. But please
>> don't make drain too small. 
> I just did that, together with making waterway=stream less wide, but
> leaving waterway=drain as it is.
Looks good to me. For the minimum / maximum width I used a factor 10
less / more than the default width. You used different limits in
z12-z14. Any particular reason for your choice?



Patrick "Petschge" Kilian