Scale is 0.0f when editing a curve with Animation Sequencer.

There are conditions.

・EnableRootMotion is true.

・Adidive Anim Type is Mesh Space or Local Space.

https://udn.unrealengine.com/questions/436446/%E7%89%B9%E5%AE%9A%E6%9D%A1%E4%BB%B6%E3%81%AE%E3%83%A2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E7%B4%A0%E6%9D%90%E3%81%A6%E3%82%AB%E3%83%BC%E3%83%95%E3%82%92%E3%81%84%E3%81%97%E3%82%8B%E3%81%A8%E3%83%95%E3%83%AC%E3%83%92%E3%83%A5%E3%83%BC%E7%94%BB%E9%9D%A2%E3%81%8B%E3%82%89%E3%82%AD%E3%83%A3%E3%83%A9%E3%82%AF%E3%82%BF%E3%81%8B%E6%B6%88%E3%81%88%E3%82%8B.html

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1. Please open the attached project.

2. Open the file.『Aim_Space_Hip』

3. Edit the curve(Attach an image) [Image Removed]

Result:Scale of preview is not displayed as 0.