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Kasper-V

Mesh warp moves pixel layer

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I've noticed this on AP 1.5, and now I find it's present on 1.6 too. I'm using mesh warp to form mouth shapes for lip synching an animation. (I'll share it with you all on New Year's Eve :)) I have two layers, one for the top lip and one for the bottom. When I click to set a node, the active layer moves very slightly down and right. When the warp is applied the layer moves back to the correct position, so it's not a problem as far as the finished image is concerned, but it does make it difficult to know precisely where I'm warping to. It only seems to be a small number of pixels, and for this application such tiny errors as might arise are negligible; but it would be a problem in other cases.

 

Here's a screen shot with three layers (the hand is on top):

a01.jpg.fc8c0b98d95a5ae628d9b80795ac3a1d.jpg

 

This is the active layer (top lip):

a05.jpg.4a706d1343ed84da8a3e0d13a3bc6f83.jpg

 

And the three layers before warping:

a02.jpg.a2fb25f3b4b3aede3ecbcfac5f01454f.jpg

 

And this animated gif shows the layer 'jumping' when a node is created:
Animation1.gif.877fcee5e0ddd6eee8fffc80acb29e74.gif

 

And in case you're wondering, it's one of Raphael's putti ...
putti.jpg.4ed83ac44851ab688051aee61be63dfa.jpg

 

I'm running Windows 7 on a Toshiba Satellite laptop with 8GB of RAM.

putti-3.png

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