Multiple camera positions in 1 channel(!)

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Roy Ruddle (Ruddle++at++cardiff.ac.uk)
Wed, 29 Jan 1997 09:15:52 +0000 (GMT)

We're investigating some of the cognitive problems people have developing
mental models of discontinuous VEs. In some of our VEs, certain locations
visually "appear" to be in more than one place.

I can render these VEs if I update the parent DCSs of nodes between
multiple pfDraw() calls from the channel draw function (pfChanDrawFunc()).
However, my life may become easier if I can leave the DCSs unchanged and
change the view position between each pfDraw() call (yes, my databases
would look visually correct if I do this!).

So, the question:
Is there a way I can change the camera position between multiple pfDraw()
calls for each frame of a channel? I tried this, but Performer seemed
always to use the position supplied in the first pfChanView() call and
ignore the second call.

cheers

roy
PS. We're running PF1.2

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