> SVG Web does support the blur filter so you could get this working
> cross browser if you force the flash renderer.

> If you just forced the flash renderer for IE, that doesn't solve the
> problem of Chrome/Safari who have not turned on their SVG Filter
> support.

> Jeff

> On Mon, Nov 23, 2009 at 4:34 PM, pamela fox <pamela....@gmail.com> wrote:
> > Hey all-
> > My 20% at Google is the NORAD Santa Tracker, which gazillions of adults
> and
> > kiddies use each year to track the progress of Santa across the world.
> > Last year, I used our Flash API to create the tracker map, primarily so
> that
> > I could make a glittery comet trail of Santa's past 7 stops. I tried it
> in
> > JS with resized animated GIFs, and then decided that Flash would be much
> > less painful - and was right.  The code drew a line on a Sprite, blurred
> the
> > line, then added some little sparkle movies and animated them.
> > You can see a screenshot with some trail here:

> http://www.wired.com/images_blogs/photos/uncategorized/2008/12/24/san...
> > This year, I have ported the map to our JS v3 API, because we are doing a
> > version that utilizes the Earth plug-in (3d flying Santa!), and I wanted
> to
> > make sure there was a version that didn't require a plug-in. But, I
> really
> > miss the glittery comet trail.
> > I wanted to get your advice on the best way to do this in JavaScript,
> given
> > the following (flexible) requirements:
> > - Works in FF3, Chrome/Safari, IE 7+.
> > - Doesn't require images (bandwidth is an issue).
> > - Doesn't require a plugin
> > I've contemplated canvas, but not sure if that supports foreground
> blurring,
> > and don't know if it would translate to VML with excanvas. It doesn't
> seem
> > very SVG-y. I could try animated GIFs again, but they don't animate the
> same
> > across browsers. I could also try window.setTimeout with some PNGs, but
> that
> > will slow down the browser, require images, and won't achieve the same
> > blurred line effect.
> > Do any of you have a better idea? (Help prove to me and the kiddies that
> > Open Web can make magic happen! :)
> > Thanks!
> > - PamElf (<- my elf code name)

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