Please, what does each actor in a CR2 file have so many movement channels? Each actor has these:-
xOffsetA xOffset
TranslateX xTran
xOffsetB xTranB
and their Y and Z equivalents. Why this triplication? What are these channels all for? Why do the x/y/zOffset parameter dials keep appearing and disappearing?

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heyas; the offset a and b are the center points and endpoints. its my hypothesis that they are duplicated in the channels section (there's also a 'center' and 'endpoint' entry after the channels section) for when they become visible with the joint editor. those parameter dials appear when you have the joint editor open. it is similar to when you turn on the 'display origin' for a prop. you get the origin offset dials to move the center via them. the translate channels are the actual movement dials.

I do know you can delete some of them, when I did the makeup case I just removed the lines, if I recall I deleted all the tran and rotate channnels I didn't actually use, and I set the rest to hidden, when you click on the lid there is only one dial, "open", naught else. I did find that some are required, though! Oh, the case is a figure, (even though it doesn't look a bit like SMV!), not a prop.

I do know that the translate channels are translate values for the actor in the 3 degrees of freedom . The offset channels don't appear to have any functionality . I suspect that they may be an obselete poser transform operation that hasn't been updated . This may also apply to the scales that refer to multiple child actors and the smooth channels ??? I think that the joint channels that matter are - I) Channels section : 1. origin 2. orientation 3. startPoint 4. endPoint II) SubChannels section : 1. angles 2. center 3. startPt 4. endPt 5. bulges 6. spheresMatsRaw SpheresMatsRaw, by the way is a 4 X 4 matrix transform of a sphere for the inner and outer matSpheres in the joints editing section of poser - hence the 8 descriptive lines .