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J
JoJoChessNoob
Participant
July 6, 2020
Question

Stationary Mask on a moving object

  • July 6, 2020
  • 1 reply
  • 4817 views

So i have a face  and i use motion to make it move around. But on the base video there are some trees for example , and i want to mask the face so it seems it's behind the trees. But when i move the face again the mask moves too. I want to make it a stationary mask so if i move the face the mask stays in the same place. I thought maybe to use an adjustment layer but it doesn't do anything. If you know how please explain in steps cause i'm new to premiere pro

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1 reply

S
Steve Griffiths
Inspiring
July 7, 2020

Hard to know exactly how best to achieve what you are after without seeing the footage ... but if you want the face layer to appear behind trees on your base layer (video track 1) you could duplicate the base layer (hold the option key and drag the clip up to (say) video track three or above the face layer ... which I assume is on video track 2.

Now with a copy of the base layer on track 3 your could now mask this layer to partially obscure the tracks below. If you are lucky and the tree is on a blue sky background - or the sky is brighter than the trees you can use a colour key effect like ultra key or a luma key effect to key (superimpose) the tree over the lower layers. Look for these in the effects panel, under 'Keying'. 

 

Good luck.

    J
    JoJoChessNoobAuthor
    Participant
    July 7, 2020

    Thanks. I will try that on my next video. Let me give you an example of what i wanted

    I have this scene. So i have on the first layer the movie (The Shining) and on the second layer the face i wanted to put above the character from the movie. So the character's face in the movie is moving behind the remaing of the door but the door it's self remains in the same position. So i wanted to make the face to be behind the door too. And to do this i had to rearrange the mask for every frame because the mask is also moving with the face. That's an example. So i think your method should work pretty good. Thanks , never actually thought about that. And one more think , why can't you do 2 mask on the same layer , se the left part of his head should also be behind the door remainings but it didn't work. I guess i can put multiple layers of the original clip above and mask that part too.

     

    [abuse removed by moderator]

    S
    Steve Griffiths
    Inspiring
    July 8, 2020

    Based on what you are doing - duplicate the door layer and place it above your head and mask it rather than the head. If the door layer's camera is not moving then once you've masked the door edges the head will appear to be behind it with no further work needed. If the door does move slightly - it's still easier to animate the door mask rather than the head.

    Remember - you need three layers for this to work. Track 1 is the original clip, Track 2 is your head and track 3 is a duplicate of layer 1 (with mask applied). 

     

    Also you don't need to mask the whole door. Just the parts that cover the head.

     

    Keep in mind the masking in Premiere Pro is fairly rudimentry. If you want to learn to do complex compositions - After Effects has much greater abilities than Premiere Pro. It's designed for this type of work. It can also 'track' movement. So you could attach your head to the original head and have it move realistically to match the original ... but that's another whole learning step 🙂

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