Hi Steve,

> On 30.07.2015, at 22:31, Lime, Steve D (MNIT) <[email protected]> wrote:
> 
> Oliver: Been thinking about this more. Since you guys have done probably the 
> most exhaustive comparison of CartoCSS and map files, do you have a list of 
> the features in CartoCSS that aren't supported by MapServer. That might 
> provide some direction on gaps for us to fill.

I can try to compile a list with missing features. Might take a while till I 
get to it, though. 

One feature I missed when I tried to build the official OpenStreetMap styling 
was multiple attributes in symbol names.
For example: secondary_[width]x[height].svg, where width and height are 
calculated in the SQL query, based on the length of ref-label.
Or does that work with Mapserver?


> The other item of interest is where you saw simple CartoCSS manifest itself 
> as boatloads of mapfile configuration. There may be ways we could be more 
> concise... Thanks.



Here is a monster mapfile (>100k lines) generated from 
https://github.com/mapbox/osm-bright
http://download.omniscale.de/misc/osm-bright.map

Magnacarto could combine some CLASSes with similar STYLE (search for '[type]' = 
“drain” which is identical to the ditch CLASS). That should cut a few thousand 
lines.

For MapSever:
Allowing to set style defaults for each layer could help. LINECAP/LINEJOIN are 
set for every line STYLE because CartoCSS/Mapnik are using other defaults then 
Mapserver.



Regards,
Oliver

-- 
Oliver Tonnhofer  | Omniscale GmbH & Co KG  | http://omniscale.com
OpenStreetMap WMS and tile services         | http://maps.omniscale.com




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