Hi everybody,

Let me introduce the scene, a mocap was made of a man pulling a bar from a rowing machine or simply holding this bar over his shoulders and doing some knee-bend movements.
As I ploted the animation on the Control Rig I realised that the movement of the right hand is not synchronized with the one on the left hand.
So when I apply a constraint Parent/Child on the bar with as a source the FK hands ( the right and left ones) at the same time it appears that MB only apply one of them and the bar is not following both hands
What I want to do is to modify or act upon the mocap before ploting the animation on the skeleton and export it in Maya.

Before doing so, I’m wondering if it is possible that the animation of the left hand can be influenced by the animation of the bar, itself influenced by the other hand and everything keeping the original mocap ?

Is it asking too much for MB ?

Thank you for your help.

this tutorial will give you more info than I will right here but .. short answer.

yes, you can do this,

I would start this way.
leave the bar as is and the other hand alone, direct parent the IK effector from the rig under the bar, adjust reach settings as needed.

There are other ways to do this that require some copying of the data to a secondary rig, and more complex parent/rigging options but try and stay simple and do it in passes.

http://area.autodesk.com/forum/index.php/tutorials/tutorial_index/props_editing

Brad Clark
Co-Founder: Rigging Dojo-Teaching the art and science of character rigging
Author: Inspired 3D Advanced Rigging
The Character Animator Toolkit for Motionbuilder :available now:

Thank you for the tip.
I’m going to watch the video and work on it.

About the option to copy data from one IK to another, I though to do so but I know that if we touch the data on the base layer it’s very destructive and we are losing must of the movement captured.
And I got a question actually about this : How to smooth just a part of the graph in the FCurves window of the Navigator, without doing it points by points ?

thank again

for smoothing.. use the butterworth filter and you can adjust the in/out on the filters, or select a range for them to work on.

copying data is not destructive, and destruction of data is only a problem if the end result is not better or equal to the capture, still takes animator eye to make this stuff look right.

Brad Clark
Co-Founder: Rigging Dojo-Teaching the art and science of character rigging
Author: Inspired 3D Advanced Rigging
The Character Animator Toolkit for Motionbuilder :available now: