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Completely wrong workflow! Do the following:
- Create a new solid matching teh footage specs
- Select the footage layer in the timeline
- Select the solid you just created in the project panel
- Hit Ctrl+Alt+< to replace the itmes
- Select the solid
- Use Layer --> Layer Settings
- Dial in the new size
Voilà, All masks proportionately scaled with animation intact, ready to copy &paste or replace the footage again.
Thank you Mylenium, I appreciate your help. I did what you described (though to replace the footage in the timeline with the new solid I held down the option key and dragged it over the layer in the timeline). After resizing the solid in the timeline I ended up with a mask that looks to be the right size but which is skewed slightly so I cant lay it over the target footage. Perhaps I should elaborate, and then go over the steps I followed just to make sure I did what you told me to:
I'm animating cracks in a window as they splinter and spread across a window. After photographing broken glass, I created a network of cracks in photoshop with an alpha channel where there are no cracks. I imported these layers into after effects and animated each cracked layer so that the cracks spread out across my frame area. The effect is fantastic.
My project was originally designed to be output for a 1024x768 projector. After animating a mask to gradually reveal each splinter of glass as it spreads out, I changed to a target resolution of 1920x1080. Now I'm trying to bring the animated masks into a new 1920x1080 project and lay them over an all new set of1920x1080 pohotoshop layers. (I cant resize the old layers in After Effects without the cracks loosing resolution, so I upscaled all the layers in photoshop and imported them into a new 1920x1080 project.
Alright, so here's what I did with your advice:
In the OLD 1024x768 project, I created a new solid of the same size. I selected one of my masked cracking glass layers in the timeline, ad then selected the new solid in the project pane. I option/dragged the solid over the layer to replace the layer in the timeline with the solid, while keeping the mask intact. I then selected Layer>layer setting and resized the replaced layer to 1920x1080. I then dragged in my new 1920x1080 project folder (the one with the new target photoshop layers) and pasted in to that timeline the upscaled layer.
It came in off center but the right size. after moving it over the comp frame-line, the mask looks to be about the right size, but it is skewed somehow so that its impossible to fit over the complicated network of cracks that spread out keyframe by keyframe. The good news is that all the keyframes are intact and my animation complete for that mask. The bad news is I can seem to fit it over the upscaled cracks. Perhaps this is due to some aspect ratio changes the cracked layers underwent in photoshop, thou I was careful to preserve there shape uniformly.
Anyway, I've started to reanimate everything from scratch, so if you cant help anymore, thanks for trying.
Have you tried using the Scale Composition script?
Make a duplicate of your original comp. Appy File/Scripts/Demo Pallette/Scale Comp, resizing to the new comp size.
Copy and paste necessary elements into your re-animated comp.
Thanks a bunch, but I reanimatrd the masks already. I'll try this the next time I upsacale to a new comp and wantto bring smallerasks over.
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