you mean, like DYNAMIC image scaling?
On Sep 3, 2:55 pm, bratliff <[EMAIL PROTECTED]> wrote:
> On Sep 3, 5:11 pm, Geostrophic <[EMAIL PROTECTED]> wrote:
>
> > I see what you mean, regarding the efficiency. Not seeing an immediate
> > way around the IE efficiency problem, I'm looking into building a
> > "Smarter" application - that would display the radar in a different
> > way when viewed in IE.
>
> > To that end, since IE acts a lot better when the radar is opaque, I
> > was looking at the potion of keeping the radar images opaque in IE,
> > and somehow overlaying just the roads from the G_NORMAL_MAP on top of
> > the radar image. I've seen it done, here:
>
> http://tropics.myfoxtampabay.com/index.php?siteID=1018&load=rdr
>
> Unfortunately, it uses Flash which to some may be a deal breaker. It
> also appears to be using its own custom tile set rather than your GIF
> files.
>
> Correct scaling can really improve animation speed. I could easily
> send you width & height parameters if you could adjust the GIF file to
> fit. Otherwise, the browser must do it for every frame of every
> cycle.
>
> The natural dimensions of the GIF files are 600 x 550 pixels. The
> browser does a pretty lousy job of stretching or squeezing it to fit.
> Pixel interpolation at the server will really improve the appearance.
> IE7 can do it reasonable well but it adds overhead. IE6 has a less
> capable "Blur" filter which also adds overhead. Firefox has nothing
> except simulated dithering with multiple partially opaque copies of
> the same file at slight offsets.
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