[mapserver-users] 3D Building Howto?

[Brent Fraser]

Steve,

   A few months back there was a similar question in the Mapnik mailing 
list 
(http://www.mail-archive.com/mapnik-users@lists.berlios.de/msg03000.html).   
A couple of links (but no solution) given in response:

http://trac.mapnik.org/wiki/BuildingSymbolizer
http://wiki.openstreetmap.org/wiki/OSM-3D

Best Regards,
Brent Fraser


On 2/14/2011 4:11 PM, Stephen Woodbridge wrote:
> Hi all,
>
> Has anyone been able to render 3D building with mapserver?
>
> I have a polygon layer with the building outlines and a height attribute.
>
> Any thoughts on how to render nice buildings like Google does?
>
> I can preprocess the data and extrude it into 3D shapes, but I'm not 
> sure that gets me anywhere.
>
> My one thought was to draw the polygon, then draw it again with an xy 
> offset based on a function of the height. But this does not generate 
> the vertical edges of the building.
>
> I suppose I could generate all the vertical faces and the top of the 
> build and then sort them all based on the z value of the centroid. I 
> could event remove all the back facing polygons faces.
>
> It would be cool if mapserver had:
>
> LAYER
>   TYPE POLYGON3D
>   HEIGHT [height]
>   ...
> END
>
> Thoughts?
>   -Steve W
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