[OpenLayers-Users] TileCache and KaMaps

[Christopher Schmidt]

On Wed, Dec 06, 2006 at 11:18:12AM -0700, Tim Schaub wrote:
> > After spending last night hacking with Schuyler, I'm now 
> > convinced that TileCache supports transparency correctly, and 
> > that metaTiling is now of a quality where I trust it. It 
> > doesn't do mapscript hacks to prevent labelling in the 
> > metaBuffer area, but presuming a relatively small metabuffer 
> > (and PARTIALS OFF, which doesn't cooperate well with ka-Map) 
> > the difference between ka-Map and TileCache behavior is 
> > probably minimal, and the benefits of switching are, in my 
> > humble opinion, significant.
> 
> Note that you don't need to rely on mapscript to prevent labels in a buffer
> around the edge of your map.  If you're using MapServer to generate your
> tiles, there's a mapfile metadata hack for that (since 4.6):
> 
> WEB
>   ...
>   METADATA
>     "labelcache_map_edge_buffer" "10" #pixels
>   END
> END
> 
> also, don't forget
> 
>   PARTIALS FALSE
> 
> Keep an eye on mapserver bug #1353 if you're hesitant to use "experimental"
> features (http://mapserver.gis.umn.edu/bugs/show_bug.cgi?id=1353).

Ooh! Super-good to know. That's the same one ka-map uses internally -- I
just assumed it was only in Mapscript for some reason. That's great! We
don't have to do anything special for MapServer metatiling then.

Regards,
-- 
Christopher Schmidt
MetaCarta