By the way, AIR's user agent is in the form of "Mozilla/5.0 (X11; U;
Linux i686; en-US) AppleWebKit/420+ (KHTML, like Gecko) AdobeAIR/1.0"
by default.  I can spoof the user agent string in AIR if there's
something else that would cause the Maps API to render the polylines
in a format supported by AIR's Webkit version. Using Safari's user
agent string didn't fix the issue.  What opacity functionality does
AIR Webkit support that the Maps API implements?

On Feb 20, 2:07 pm, j <[email protected]> wrote:
> Needed an 'l' on the end of your link (.html)...
>
> https://developer.mozilla.org/samples/canvas-tutorial/4_4_canvas_rgba...
>
> Anyway, it looks the same in Linux AIR and Firefox 3 on Win and
> Linux.  However, neither shows any semi-transparent circles as the
> code on the page suggests it should.  Safari is giving me some error
> about "kCFErrorDomainWinSock:-1001" that seems to be due to https
> (based on some info in Google search results).
>
> On Feb 20, 1:27 pm, Mike Williams <[email protected]> wrote:
>
> > There are four different polyline technologies, and the opacity
> > implementation is different in each one.
>
> > If AIR announces itself as Webkit, then the API probably chooses the
> > <canvas> technology. AIR is based on an early release of Webkit that
> > implements an earlier draft of the <canvas> design than ever got
> > implemented in Safari.
>
> > You might get an idea about whether AIR supports <canvas> opacity by
> > viewing this Mozilla sample page in AIR and Safari or Firefox and
> > comparing the renderings.
>
> >https://developer.mozilla.org/samples/canvas-tutorial/4_4_canvas_rgba...
> > l
>
> > --http://econym.org.uk/gmap
> > The Blackpool Community Church Javascript Team
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