Specifies the vertical rotation center, in percentage of layer size.
0.5 means center (default), while 0 is top side and 1 is bottom side.
Also allowed values out of 0..1 range.
This value (and RotateCenterX) is modified when user moves the central grip, when layers rotation is active.
Assembly: IEvolution2 (in IEvolution2.dll) Version: 220.127.116.11