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Are you rendering with "Fader Alpha" (or whatever LW calls it) enabled? I believe it's the equivalent of what's more commonly understood as a "straight alpha" channel. What kind of passes are you rendering? HDR?
I just need some advice on the stacking order and the best transfer modes to use in AE.
Using most of these buffers:
mostly whatever buffers I can render out all in a single pass.
additionally I may be working with:
ambient occlusion, Keylight, Fill light and additional shadow passes
but I believe all that has to be in separate render passes to come out correctly...
I only expect After Effects advice on this forum, but if you have some LW advice that can help here too, I'm all ears :)
Check there NewTek pages. There's an older tutorial lingering somewhere explaining the process for a layered PSD saved with the layered PSD saver. I believe it's this file: ftp://ftp.newtek.com/multimedia/movies/w3dw/PSD.mov. If you check Flay.com, you're sure to find even more tutes.
I have been searching there as well and found the tutorial you mentioned, and lots of other info as well...but I get the feeling that most Lightwavers either do everything in one pass or render the buffers and hand it off to the next guy in the pipeline, so very few of them have actual hands on knowledge of the actual compositing end (beyond dealing with depth maps and alpha channels and such...)
(I don't mean that as a bad thing, there are some extremely talented folks on that forum and the have helped me a lot!)
The most detailed tuts I have found on the process, they all seem to be using Fusion instead of After Effects. Admittedly I don't know anything about Fusion (other than I can't afford it!), but I don't believe it works the same way. I believe it has a nodal system rather than layers, and doesn't seem to use transfer modes (at least the way I understand them...)
I did find a book on the subject, so hopefully that will give me the info I need. In the meantime, if there are any AE gurus out there deal with this sort of workflow, I sure would appreciate a little help!
Thanks for passing the link my way Mylenium!
I don't post here very often, but I do search for help here from time to time and you seem to really help a lot of folks here, including me
Well, I don't use the buffer savers, either. Since LW doesn't correctly normalize the values, it's quite tricky and I find that setting up extra passes with separate scenes works better (when needed). There is some custom buffer saver tools by Dennis Pontonnier for the node system, though, so that may provide a way to use this feature more in the future...
I'm hearing about those a good bit too. I'll have to check them out.