[Benchmarking] Styling tiger_tracs

[Smith, Michael ERDC-USACE-NH]

Andrea,

True. I was thinking about the standard OpenLayers case with a background. I
was just thinking about testing the alpha performance when using 24-bit
PNGs.

Mike


On 9/3/09  10:17 AM, "Andrea Aime" <aaime at opengeo.org> wrote:

> Smith, Michael ERDC-USACE-NH ha scritto:
>> Andrea,
>> 
>> How about a semitransparent fill? That is the kind of style commonly used
>> for these kind of administrative bounds.
>> 
>> Something like a 30% fill?
> 
> We could do it... actually I think it's common only if you have a raster
> backdrop. If you just want to make a color lighter using transparency
> is a bad idea, it hinders performance as it requires alpha processing
> (I've seen this in practice more than one time, having people use
> transparency as a way to make color lighter instead of just making
> a solid lighter color).
> 
> Cheers
> Andrea