Alan Lorence
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COW Coin
Forum Replies Created
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This recent post is exactly what you want I think:
https://forums.creativecow.net/readpost/23/859313
(The 3.0.2 update that will be released this month doesn’t have the DV issue)
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I suspect the problem is in how Vegas is treating the input footage, and how it’s compositing. I’ve got about 10 minutes of experience with Vegas, so I’ll wait for others to post here.
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Although I’m not sure exactly what the problem is, or which images on that page you think are good and which are bad, I do have some suggestions.
#1 suggestion: Never use uncompressed AVI. It is a waste of drive space, and some people have problems with it in pIllusion. There are at least 2 lossless codecs that give you much smaller file sizes (Lagarith, Huffy UV), and a PNG image sequence is good too (and again lossless).
I’m not sure what you mean by “loss of resolution”, so I can’t address that, but the color desaturation I can address. The problem is the “intense” particles which are additive. When used on light colored backgrounds, they more quickly go toward white (they are additive). You have a couple of ways of avoiding this. The first is to check the “preserve color” option that is next to the “intense” option for each particle type of each emitter you use. This is not always ideal, as it changes the look of the emitter in many cases.
The other option is to always render on black in pIllusion, then check the “save alpha” and “remove black background…” options. Note that you’ll have to choose TGA or PNG image sequence to get these options until 3.0.2 is released. Then when you import the footage into Vegas, make sure you tell Vegas that it is “straight” (not premultiplied).
Hope this helps, and hope that others with more Vegas experience can add some tips.
Alan.
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Tip: once a blocker point is selected, the TAB key should switch to the next point in the blocker.
Alan.
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Once you’re setup with 3.0.1a (after you’ve downloaded and installed) contact wondertouch support about being put on the beta test.
Alan.
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Is the alignment off in the stage window, or just in the output? What program are you using to view the output images?
Send a “bad” project file, one PNG image that shows the offset, and the same frame in TGA format that doesn’t show the problem to wondertouch support. (Zipped please)
Alan.
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It’s in Tutorial 5. You can find it easier by clicking the “alphabetical index” link at the top of the index, then click the “Layer Offset” link. You may need to click it a second time to make it jump to the right section.
Alan.
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I’m checking into this in 3.0.2. The 3.0.2 update will be released in September, and offers enhanced movie support, among other things.
Alan.
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Any mostly-transparent particles, especially large ones, will cause banding when blended together. Regular motion blur makes this worse.
Some low-visibility emitters/particles just have banding and there’s no way to avoid it in an 8-bit per channel engine.
The only reason PNG might show more banding (and I’m not sure that it does) is that it’s lossless — using some lossy compression (like jpg, or lossy AVI codecs) may break up the banding somewhat due to the compression.
I think there are things you can do in post to images that show banding, but I’m no expert on that.
Alan.
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Well, since pI3 is just 8-bit per channel right now, this won’t really help much. If the rendered output of pIllusion has banding, Vegas won’t get rid of that.
Alan.