[Xastir] Update Notice: OSM tile support changes

[Curt, WE7U]

On Mon, 16 Aug 2010, Tom Hayward wrote:

> The transparency doesn't seem to work on Mac OS X (with GraphicsMagick). I'm
> seeing just the top layer with gray background (with my Xastir background
> configured to White). Let me know if you need a better description.
>
> Anyone else seeing this? I could have missed a step in the install process
> (I just rebuilt GraphicsMagick with fink to get JPEG working).

On Linux w/GraphicsMagick I left the relief at the default level 0
and set contours/features to level 10.  Works great.

-- 
Curt, WE7U.                         <http://www.eskimo.com/~archer>
    APRS:  Where it's at!                    <http://www.xastir.org>
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