CBS News coverage....

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>>>>> "Richard" == Richard Masoner <richardm@cd.com> writes:

    Richard> You know how the weatherman walks around and points at a
    Richard> map behind him?  In reality, he's pointing at nothing but
    Richard> a blue screen.  A computer superimposes the weathermap
    Richard> image onto anything that's blue in the image.  Some movie
    Richard> SFX are done in a similar way using this bluescreen
    Richard> technique.

    Richard> So now, the *entire set* is painted blue, and computers
    Richard> render and superimpose three-dimensional objects onto the
    Richard> set.  The actor is in reality walking across a blue
    Richard> floor, but the image portrayed on the television might
    Richard> show the actor walking through a detailed jungle forest
    Richard> or perhaps some other invented environment.

o what happens if the actor is wearing a blue suit?  Superman wore
blue :-}

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