David et al,
> I don't know where the call to super.postSwap() should be, if it is needed
> at all.
It is not needed. The superclass postSwap() is an empty method.
> understand the documentation, particularly the distinction between
> postSwap() and postRender().
postRender is after the 3D graphics rendering has finished and
postSwap() is after any other composition might be finished. Effectively
postSwap() is the last thing to occur before the background buffer is
blitted to the screen.
> Ideally, I would like to access and write the data raw, not compressed.
What raw data do you need other than the raster information? It looks
like this code is wandering around in various incarnations based off
stuff from my tutorial. In an effort to promote the code repository at
the site, I would like to suggest people have a look at the reworked
version I put there. There is a callback that you can register with the
canvas to get the raw image information (as a BufferedImage) and then do
with it as you please.
--
Justin Couch Author, Java Hacker
http://www.vlc.com.au/~justin/ Java 3D FAQ Maintainer
http://www.j3d.org/ J3D.org The Java 3D Community Site
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"Humanism is dead. Animals think, feel; so do machines now.
Neither man nor woman is the measure of all things. Every organism
processes data according to its domain, its environment; you, with
all your brains, would be useless in a mouse's universe..."
- Greg Bear, Slant
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