Jim Charter wrote:
> On a whim I spent just a little time poking around with Google to 
> investigate how difficult it would be to set up a virtual space with a 
> viewpoint that can be zoomed, dollyed, and panned. This could be in a 
> browser or in a separate viewer. At first blush it seems that panning 
> the camera or rotating an object is easy, also zoom, but dollying the 
> camera not so?  Is this true?  Does this function present a particlar 
> hurtle that panning and zooming doesn't?  Google maps does it.  Does the 
> difficulty increase linearly or exponentially?
> 
> -Jim

Sounds like a job for... VRML!!!

It's amazing the problems that were solved before 1995, and then 
forgotten about :)

Actually, in looking at the Wikipedia page, it seems it's been 
superseded by another format, X3D, which sounds like a cross between 
VRML and XML (why is XML used for *everything* these days?).

http://en.wikipedia.org/wiki/VRML
http://en.wikipedia.org/wiki/X3D

...Chambers

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