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Mask not fully filling in problem
I created a mask for a standard lightsaber effect. I spent the time adjusting the points of the mask as the lightsaber moved around the screen. For speed, I didn’t have it filled in as I performed the task. Upon finishing and playing the movie, all looks good until about half-way through the mask doesn’t fill in. See attached image.
What have I done and can I fix? Moving the mask or adjusting the vertices affects every previous frame requiring me to adjust the points of the mask again starting at frame 1 (arrgggh!). All suggestions welcome. Thanks in advance. (AE CS6 on Win7)
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3 Replies
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It looks like your mask goes beyond the edge of the layer it’s applied to.
If that’s the case then there are a couple of possible solutions. One is to use the pan behind tool to move the layer without changing the position of the mask. The other is to apply a fill effect and set the fill mask property to the mask in question (or check all masks if that works for your purpose).
Darby Edelen
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Darby – thanks for the suggestions. I’ll check out which solution is easier.
Earlier, in the keyframing process, the lightsaber extended offscreen and I extended the mask offscreen according. See image. Is this a newbie mistake? Should I only mask to edge of screen to prevent this from occuring.
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Masking outside of the frame is no problem.
It’s not uncommon to move masks outside of the composition boundaries when they are no longer needed.
I think your issue is only related to the size or position of the layer that you are masking. You want the layer to fill the composition.
Darby Edelen
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