I believe you can just use a spherical displacement map.
Here is a fun displacement map you can check out:
http://labs.zeh.com.br/blog/?p=128

Regards,
Eric

On Wed, Aug 6, 2008 at 12:39 PM, Ali Drongo <[EMAIL PROTECTED]>wrote:

> Hi there, I want to achieve the effect of seamless magnification a bit like
> the Mac OS dock but rather than having individual icons magnified I want to
> have a seamless magnification kind of like a blob as in this image:
>
> http://dl.getdropbox.com/u/65140/Picture1.png
>
> I think I could achieve this effect by using an onEnterFrame event and
> having an outline created by a moving circle with curves that are
> continually updated and the lines and  numbers of the thermometer that scale
> according to mouse position but I'm not sure how to achieve the gradients on
> the glass.
>
> Is there an easier way of doing this?
>
> Thanks
> Ali
>
>
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