>>Layering, or compositing, can be found in 2D, 2 and a half D, and 3D
work.
>>Compositing/layering with part of the matte visible would be sloppy
>>compositing. If you see a border then that's what it is, a border for
the
>>image, not part of a matte.
this was offered as a response to my original question, and i'm grateful
. . . but i'm afraid i don't understand the answer . . . is "layering"
then nothing
but using a matte? . . . not sure what the various D references are to: i
assume
that ALL photographically based cinema images are on the screen in two
dimensions but [to a greater or lesser extent] imply three dimensions by
virtue of the ways of reading perspective that we habitually bring to such
images . . . so what's the difference between two D and three D layering?
. . . and what, in this context, are borders??
mike
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