"Kirk Hubbell" <kir### [at] yahoo com> wrote in message
news:3aaaadbc@news.povray.org...
> I am trying to create an animation of say 100 by 100 pixels that I can
> overlay on a 640 by 480 picture.
You'll need the whole 640x480 area in order to overlay to another 640x480
but just move the 100x100 section around within it.
Alpha channel or image_map is two possibilities, however like I said you
can't render a useable segment of a larger image due to how the image file
is done.
You can of course render the section over top of the larger and output as
whole 640x480 image(s), but not what you want to do I guess.
Bob H.
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