[Talk-us] Massachusetts topo map

Lars Ahlzen lars at ahlzen.com
Thu Apr 30 00:00:01 BST 2009


Dale Puch wrote:
> Beautiful!
> 
> A cosmetic suggestion is the airport runways seem too wide on pretty
> much all but the highest zoom.

I agree. I'll make them thinner, and adjust the width properly for all
zoom levels.

One problem is that the current width may be somewhat accurate for large
airports like Boston Logan, whose runways are between 100 and 150 ft
wide, but way too wide for smaller airports whose runways are often 75
ft wide or less. And even if the OSM data *had* the width for all
runways (which I'm sure it doesn't), hacking the mapnik style files to
create different cases based on width tends to quickly make them very
complicated.

I copied the runway style from the standard OSM mapnik style file, btw.

- Lars

-- 
Lars Ahlzen
lars at ahlzen.com




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