[ka-Map-users] Re: partials off for symbols?

percy percyd at pdx.edu
Sat Nov 4 16:33:15 EST 2006


Thanks! I cranked the metaBuffer down to 10, rebuilt the cache with 
precache2, and so far I haven't been able to find any partial freeway 
shields.

Now get back to work on releasing 2.2 OL
:-)

Thanks again,
Percy

Christopher Schmidt wrote:
> On Fri, Nov 03, 2006 at 01:47:46PM -0800, percy wrote:
>   
>> Ooops, I forgot to mention that I already cranked up the metaBuffer 
>> variable from 40 to 80 in the config.php
>>     
>
> That's probably the opposite of what you want to do.
>
> ka-Map draws the pixels out to the metabuffer. This means that in those
> 80 pixels outside your map view, a symbol can be partially drawn. Once
> it is drawn, kamap chops the metabuffer off: this is to avoid issues
> like:
>
> http://crschmidt.net/blog/archives/154/mapserver-rendering-bug/
>
> So, in those 80pixels, Mapserver is drawing a symbol, and ka-map is then
> chopping it.
>
> If you shrink your metaBuffer, this will help you rather than hurt you,
> I think. I'm sure paul can offer more insight, but I'm not aware of a
> complete solution.
>
> Regards,
>   



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