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masking psunami
Posted by Aslan Tamek on August 24, 2011 at 11:11 amhi,
i have made some waves with Psunami to composite on a scene, i need to mask out some parts of the ocean, but it seems that Psunami cant acccpt masks! is there a way to do this or am i doing something wrong?
thanksArchitect & Animator
Aslan Tamek replied 14 years, 8 months ago 4 Members · 10 Replies -
10 Replies
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Shahin Ghahremani
August 24, 2011 at 1:01 pmI never tried this plug-in, but I just checked the RED web site and watched the tutorial, it seems like you cannot simply make the mask on top of the layer that included the Psunami effect, as this plug-in is processing some data through your GPU so it is somehow a realtime processing. what you may do is, make it as a pre-compose and try to assign the mask over the pre-composed layer, or else you might need to render it out and import the rendered footage to your scene and make your masking over it!
Hope this can help.Shahin
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Walter Soyka
August 24, 2011 at 1:18 pm[Shahin Ghahremani] “it seems like you cannot simply make the mask on top of the layer that included the Psunami effect, as this plug-in is processing some data through your GPU so it is somehow a realtime processing. what you may do is, make it as a pre-compose and try to assign the mask over the pre-composed layer, or else you might need to render it out and import the rendered footage to your scene and make your masking over it!”
Your solution is correct (pre-compose), but the reason pre-composing is necessary has to do with After Effect’s render order [link]: masks, effects, transformations, and layer styles. (The acronym METL might be easier to remember).
Masks are applied BEFORE effects are rendered, and many generative effects (ones that don’t rely on the content of their source layer) don’t mask themselves.
When you precompose, the precomped layer is rendered and rasterized in the main layer as if it were a piece of footage, then METL applies again. In other words, since the Psunami effect is within the precomp, not within the main comp, a mask in the main comp will work on the precomp’s rendered output.
Walter Soyka
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Shahin Ghahremani
August 24, 2011 at 1:25 pmShoma irani hastid? kheili az molaghatetoon khoshbakhtam, agar emkan dare linki az animation hatoon bedid, moshtaaghe didaneshoon hastam.
Which field of Animation are you working in? I’m doing Character Animation by the way.
khosh hal misham dar tamas bashim.Shahin
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Shahin Ghahremani
August 24, 2011 at 1:32 pmThank you Walter for your great information, I didn’t know the matter that technical, I was actually trying to solve the problem practically, so thanks anyway for correcting me!
Regards.
Shahin
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Aslan Tamek
August 24, 2011 at 1:47 pmThank you Walter, I didn’t know that, that was amazing, sounds like engineering stuff!
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Aslan Tamek
August 24, 2011 at 1:50 pmSHAHIN JAN HERE IS MY YAHOO ID : ASLAN_THR
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Michael Szalapski
August 24, 2011 at 3:06 pmI see that how to do the masking has been described to you already. However, you may not even need to do the masking (depending on why you’re doing it). This PDF has some useful tips for compositing with Psunami: https://www.digitalanarchy.com/tutes/psunami-composite.pdf
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Aslan Tamek
August 24, 2011 at 4:09 pmthank you Michael, i downloaded the pdf, in this special occasion I need to mask, but the method described in the pdf would help a lot doing some parts
Architect & Animator
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