Parent & Link Scale Bug?

Question

So I tried to 'parent&link' one simple layer to another layer with a scale animation. Usually a layer keeps its scale (and other properties) at the current time indicator when parenting it. With a scale animation 100 to 0%, when putting the indicator at the 0% keyframe the parented layer now also scales to 0 no longer retaining its size. Everywhere else on the animation above 0% scale it works. There are also instances where it repositions the layer after parenting.

Is that intended behavior? I witnessed that on 17.7 up to the latest release.

Ali Jaber · Answer

I'm not that Mathematics guy, but that's how I understand this matter:

When you parent one layer to another, all the transform properties of the child will be modified to follow the parent's layer space. So if the parent's scale is 50% and you parent a layer of scale 100% to it, the child's scale will become 200% to retain it's same visual scale. So, the child's scale = 100 / 50% = 100 / (1/2) = 200%

But if the parent's scale is 0%, then the child's scale is 100/0 which is indivisible.

The workaround is to animate the scale property of your parent layer from something like 0.01 instead of 0, then you should have no problems parenting any layer to it.

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