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This is just a collection of notes I’ve made to address issues, and wanted to share with others…
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With automations introduced in UE 5.4, this is a pretty simple step in many cases.
But in some cases (particularly with MetaHumans), we need to take direct control over the Retargeter and Retarget Pose to get good results.
Animations not specifically created for one Skeletal Mesh can not be directly applied to another.
A Retargeter maps a Source Animation Sequence to a Target Animation Sequence.
Using knowledge of the Source and Target Skeletal Meshes, the Retargeter aligns the Target Pose to Source Pose, then tries to map all the poses within the Source Animation to the Target Animation. It’s imperfect, but can be good.