[Talk-GB] Dual carridgeways

Shaun McDonald shaunmcdonald131 at gmail.com
Sat Apr 28 22:41:49 BST 2007


On 28 Apr 2007, at 13:44, Bruce Cowan wrote:

> On Fri, 2007-04-27 at 10:55 +0100, Alexander Wright wrote:
>
>> Would it be better to map such roads as a single way with a tag  
>> "carridges=2"
>> and have the renderer do something better?
>
> I (and many others) are against modifying data to suit a renderer, it
> would be better to fix the renderer.
>
> The trouble here is that each carriageway is represented separately,
> which is a more correct interpretation of reality.
>
> Theoretically 2 parallel ways could be merged for rendering  
> purposes, I
> heard this is a possibility.

It seems that the Mapnik renderer already does the merge for relevant  
zoom levels, however osmarenderer doesn't merge parallel ways.

See also:
<http://lists.openstreetmap.org/pipermail/talk-gb/2007-April/ 
000490.html>

-- 
Shaun




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