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Compositing model ‘Multiply’ (Mask) – Black out
Posted by Thoreau Bakker on June 20, 2013 at 7:53 pmI have a video on top of another video, and have it blending nicely into the background with the composting mode set on multiply of that top channel.
The problem is now layers below (4 – 10 layers) are sometimes blacked out (rather than showing through). Anybody have a quick tip for me?
thanks,
-t.Thoreau Bakker replied 13 years, 2 months ago 2 Members · 8 Replies -
8 Replies
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Graham Bernard
June 20, 2013 at 9:32 pmIn the Track 1 “Track Header”, make Track 1 a Parent to your Track 2.
Now whenever there is a gap you will see the other tracks and not turn black.
Cheers
Grazie
Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge -
Graham Bernard
June 21, 2013 at 8:52 pmYou’re welcome!
G
Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge -
Thoreau Bakker
June 22, 2013 at 10:37 pmHey Graham,
I’ve been trying what you recommended, but still not quite getting it.
If I click ‘make composting child’ on the video track immediately below the top video track, there is no black out any more, but there is also no blend of the two tracks any more. The top track no longer shows at all, blending or otherwise.
Any ideas on why this might be?
-t.
p.s. these two images are just of the original problem, not this second one..
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Graham Bernard
June 23, 2013 at 4:17 am[Thoreau Bakker] “Any ideas on why this might be?”
Hmmm…
I’ve made a simplified version of what you were wanting/asking for. Can you see a set-up difference between yours and mine?
This is a Preview OVER the Blended Tracks. Notice the “blue sky” blended into the flower pot:
This is a Preview OVER the NON-Blended Tracks:
1] In the first image the Blue Sky blended into the Flower Pot is visible.
2] In the second image the non-blended Track below is visible, not “blacked-out”.
Cheers
Grazie
Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge -
Thoreau Bakker
June 23, 2013 at 6:43 pmGraham,
thanks for your continued support. I’m not sure if it’s a glitch or if I’m missing something here.
I’m attaching four images.
1. is the black out problem when off the top (multiply) layer

2. is my desired effect when the cursor is on the top (multiply layer)

3. is the lower layers visible, when the track below the multiply track is set to child (as I’m aiming for)

4. is the problem with this solution, as now the blend (multiply) layer doesn’t show up at all (notice where cursor is)

Can you think of any solutions I might be missing? I’ve been trying to experiment with all lower layers as a child to the multiply layer, I’ve also tried to experiment with each layer being a successive child of the one above. Nothing seems to be working for me.
Do you know what the standard setting for composting should be? Is it the 3D Alpha at the top of the list? Maybe there’s a way to turn composting off for the lower layers?
I’m loving this lion blend effect, but it’s just posing a huge challenge to use it!
-t.
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Graham Bernard
June 23, 2013 at 9:26 pmIs there a reason why you don’t have the Media that resides in your Child Track, directly Under that Parent Track? Presently you have “other” media in a Track that forms a Parent to that Child Media Track? I’d be putting my Child Track – Layer – directly under the Parent, as per my layout.
Cheers
Grazie
Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge -
Thoreau Bakker
June 24, 2013 at 4:22 pmGraham,
I have the layering like that to keep the layer priority.. I’ve been opening new video channels and stacking them up, and if I move certain things up higher I run the risk of putting things on different channels with different color effects etc. As you can see I’m not very good at this yet. My project is quite cluttered.
Thanks again for your help through. I tried bringing one clip up to the layer immediately below, and unfortunately, no dice still 🙁
The workaround I found was to just engage / disengage the top channel via an off / on envelope when the blend effect is needed (off when there is no top mask layer to avoid the blackout). That’s fine except there is no fade in from the other channel, only fade from black at edit points..
Thanks again,
-t.
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