On Wed, May 4, 2011 at 3:47 PM, Charles Galpin <[email protected]> wrote:
> I'd like to apply a style that gives a frosted glass or fuzzy/blurring effect 
> over my map (overlay - i can't apply this to the map itself). Other than 
> finding an image that has this effect and adjusting the opacity as needed, is 
> there another way of achieving this?

You'd still have the trouble of aligning that extra image on top and
make it as big as the requested map.
I'd suggest you find some image that can be used as a tileable
background (the ones that you can put
side by side and get a seamless larger image), create a giant polygon
in a shapefile (or just use the
"giant polygon" one already available in GeoServer), style it using a
graphic fill with the above image,
and put that on top.

It will stay on top of the map and give you the desired effect no
matter what the map size is and
no matter what the projection is (well, you might see issues if the
polygon is so big that goes
outside of the valid range of the target projection, in that case make
it small enough to fit your
data area)

Cheers
Andrea

-- 
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Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

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phone: +39 0584 962313
fax:      +39 0584 962313

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