Hi. I am currently using the OpenSim API in Python and have the following problem with the IMUInverseKinematicsTool. My workflow is shown below: imu_ik = opensim.IMUInverseKinematicsTool() imu_ik.setModel(model) imu_ik.set_output_motion_file(path) imu_ik.set_orientations_file(orientation_file) imu_i...

I had the same problem as Mario and found a solution. So just in case, anybody else has still the same problem. When creating the OrientationWeightSet in Python by using the method adoptAndAppend to pass the OrientationWeight objects, it seems like the OrientationWeight objects are lost (I guess the...