turn layer labels on and off dynamically

[Gregor Mosheh]

> Ooops, that does not quite work the way you are expecting it to. color 
> -1 -1 -1 means transparent. so you are rendering the labels but they are 
> just transparent. Since you are rendering the labels, it takes cpu time 
> and it might bump other labels out of the cache. I don't think you 
> really want to do this.

Hey, you're right. I'm glad I mentioned this!
You're right, set the labelmaxscale to 1 or some such would be even better.


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Gregor Mosheh / Greg Allensworth
System Administrator, HostGIS cartographic development & hosting services
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