Hi All,
iClone 7.2. Import a character. Go to MixMoves-Male (CC) and let the standing idle animation run one time (not looping).
Go to the motion layer, double click the first frame and copy it. Go to the last frame of the animation and paste it. They are not the same ! So, I cannot make it a looping animation. If I play it with the looping on, I get a small shift between the last and the first frame ... ... I added "off" value for spring in first and last frame, nothing happened ...
There are no gestures or any other stuff. Just the steps I mentioned.
What am I doing wrong ?

Are you referring to Stand01? Yes, there is a small motion root offset by X. Use curve editor to fix that.
Just sample torso, open curve editor, select MotionRoot\PositionX and look at the last few frames.
You'll see they are down by some value (compare to the first frame). Just move them up a little to level with the first frame and shift is gone.

Yes it is Stand01. Am I correct I need the "Curve Editor"-plugin to do this ?
I have the 6.5 pipeline version with all bells on it, but I did not use much of that all, so I only bought the standard edition of the 7.
One more thing : if you copy the keyframes, you copy everything except the root position and rotation ? If so, why did they not add a keyframe for the root ?

Oh sorry, I forgot the Curve Editor is not standard. Well, that is how it is now. We just have to look for the workarounds.
Is there particular reason you need to loop the play? You could instead extend the frames count, add another clip and blend it. That would also work.
But since I already have fixed Stand01 I'll just share it. Please see attached.

Thanks 4u2ges !
No, no particular reason for Stand01, it was just something I noticed and I did not get it that making an overall keyframe at position 1 and copying to the last frame was not working. I did not look for the root in there, I actually supposed it was in there ...
My next step would have been the creation of a custom opening and copying that as the closing - like you suggested -, so thanks for the confirmation !
I must say that I miss editing curves, most 3D tools have this standard ! So it looks like the curve-editor is worth the money and I will buy one the upcoming days.
Especially thanks for sharing the ZIP and for all the other free content in the store. I would have happily bought that quality - I actually bought a couple of thousand dollars of items in the store last year and not all was that high of quality, even-though it was sometimes high prized !

If the feet don't move, try adding a second loop instead of using the loop tool. This will give you a blend between the two. If the feet are moving, then you'll need to actually adjust the loop.

Another idea that might work is to add a reversed clip after the initial one.

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@gm0124816
No problem and thank you for kind words about content :)

@Chuck23.C
That might work, but too much work involved, as simply adding bone keys does not bare a desired result.You need to sample whole clip and delete 10 - 20 keys at the end before finding the right spot where root is getting moved down by X. Otherwise sliding would occur between copied key and the one just before that. Easier to just fix it in CE.

@animagic That is an interesting idea. But the whole damn root just moved down after reversal. As a result the mismatch was still there. The curve editor does not properly display reversed clip. It is still straight although the cursor is moving in opposite direction when you slide it along the timeline :)