problem about the Opensim-Matlab interfaces

Provides tools for using different aspects of Opensim within the Matlab environment, including command line pipelines as well as accessing the Opensim API directly.
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Jianwei Liu
Posts: 6
Joined: Fri Feb 24, 2012 11:49 am

problem about the Opensim-Matlab interfaces

Post by Jianwei Liu » Tue Feb 28, 2012 7:53 pm

I downloand the MalabOpensimAPI.zip and want to test the interfaces.
Although I do as what the Readme.txt suggests, in the step 4(Close and restart Matlab)
when I restart the matlab,it pops a error: Cannot locate com/mathworks/jmi/OpaqueJavaInterface class.

the Opensim version is 2.4.0 , matlab is R2011b.

Does anyone know how to deal with it?

Thank you!

Jianwei Liu
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Ayman Habib
Posts: 2244
Joined: Fri Apr 01, 2005 12:24 pm

Re: problem about the Opensim-Matlab interfaces

Post by Ayman Habib » Thu Mar 15, 2012 1:36 pm

Hi Jianwei,

This may be due to an older installation of Matlab. Please check the Mathworks thread at
http://www.mathworks.com/support/soluti ... product=ML

for troubleshooting tips,

Good luck
-Ayman
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Ryan Wedge
Posts: 1
Joined: Wed Sep 04, 2013 6:10 pm

Re: problem about the Opensim-Matlab interfaces

Post by Ryan Wedge » Tue Jan 26, 2016 10:26 am

Hello,

I am getting this error message when trying to interface OpenSim 3.3 with Matlab:

Java exception occurred:
java.lang.NoClassDefFoundError: Could not initialize class org.opensim.modeling.opensimModelJNI

at org.opensim.modeling.Model.<init>(Model.java:119)

I ran the configureOpenSim script, imported the OpenSim libraries and tried the command model=org.opensim.modeling.Model(); as suggested. I removed OpenSim 3.2 from my path, and made sure the bin folder was a part of my current path with OpenSim 3.3

I have a 64-bit system but I am running 32-bit Matlab (student version), and have installed 32-bit 3.3.

Any help would be greatly appreciated.
Ryan
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