Issues using version 1.5.5 motion data on version 3.3
Posted: Sat Mar 31, 2018 2:12 pm
Hi,
I am studying the effects of wearing an ankle exoskeleton (a biarticular spring) on the calf muscles and would like to simulate this for multiple walking speeds. I would like to use available motion capture data from the SimTk website, such as the ones from this study by Liu et al (https://simtk.org/projects/mspeedwalksims ). However these sets of motion data were run on OpenSim 1.5.5 and don't seem to work on version 3.3 .For example when loading the .osim model, the bodies do not appear in the list of bodies and I get an error from the scaling function on the generic 3.3 version 2392 model with the GIL11 or GIL01 motion data.
I've also tried downloading the OpenSim 1.5.5 version (onto my 64-bit computer) to run these motions however I get an error when trying to open the application (for the first time after downloading is complete) saying "A java.lang.NullPointerException exception has occurred (...)".
I'd appreciate any suggestions as to what I might be missing, or if there is another set of motion data (of more than 1 gait speed for the same subject) available that I could use for my study.
Thanks a lot,
JZ
University of Ottawa
I am studying the effects of wearing an ankle exoskeleton (a biarticular spring) on the calf muscles and would like to simulate this for multiple walking speeds. I would like to use available motion capture data from the SimTk website, such as the ones from this study by Liu et al (https://simtk.org/projects/mspeedwalksims ). However these sets of motion data were run on OpenSim 1.5.5 and don't seem to work on version 3.3 .For example when loading the .osim model, the bodies do not appear in the list of bodies and I get an error from the scaling function on the generic 3.3 version 2392 model with the GIL11 or GIL01 motion data.
I've also tried downloading the OpenSim 1.5.5 version (onto my 64-bit computer) to run these motions however I get an error when trying to open the application (for the first time after downloading is complete) saying "A java.lang.NullPointerException exception has occurred (...)".
I'd appreciate any suggestions as to what I might be missing, or if there is another set of motion data (of more than 1 gait speed for the same subject) available that I could use for my study.
Thanks a lot,
JZ
University of Ottawa