Hello, my system is Windows 11, OpenSim 4.5 I get the following error when trying to run the scaling tool in GUI: java.lang.RuntimeException: SimTK Exception thrown at Xml.cpp:115: Error detected by Simbody method Xml::writeToFile(): Failed to write to the Xml file 'C:\Users\ebuly\OneDrive\Documents...

Hi, I am creating personalised models. Since the last OpenSim edition (4.5) I cannot load surfaces for bodies that are not in a fixed vtp format. I receive the following errors: "Visualizer couldn't open r_fibula.vtp because: SimTK Exception thrown at PolygonalMesh.cpp:411: .. SimTK Exception thrown...

Hello Ayman -- I do not seem to have the permission to open an issue. How do I get it? Meanwhile, I tried running MocoInverse. It which crashes with Disposing session as kernel process died ExitCode: 3221225477, Reason: Warning: intermediate_callback is disfunctional in your installation. You will o...

Hello, I am using OpenSim with Python. Previousely, I was able to run several Static Optimization analyses using the Analyze tool consecutively. It is no longer possible in the new OpenSim 4.5 Python package. When moving on to the next trial, the Kernel crashes with the following error: "SWIG direct...

Thank you -- this version required python 3.9, not 3.8 -- Once the correct environment was created, the installation was painless. Thanks again for your help.

I have just made a new installation of OpenSim 4.4 in Python 3.8 numpy 1.20 environment. On trying to run Moco I get an error: "std::exception in 'OpenSim::MocoSolution OpenSim::MocoStudy::solve() const': MocoCasADiSolver is not available. Thrown at MocoCasADiSolver.cpp:448 in solveImpl()" Comparing...

Thank you -- I will give it a go!

Hi, this question is related to my question in https://simtk.org/plugins/phpBB/viewtopic.php?f=91&t=16752 I am updating muscle paths in a model. The problem is that stating "state = model.initSystem()" before "loc=model.getMuscles().get(muscle).getGeometryPath().getPathPointSet().get(point).getLocat...

Thanks Dan. I'll give it a go. How can I update these XYZ?

is this right?

for i in range(0,3):
val = loc.get(i)
val = val + 1
loc.set(i, val)

K

Hi, I am struggling to get and update fixed points for muscle paths in python. When using model.getMuscleList().getPathPointSet() I get an error "'AbstractPathPoint' object has no attribute 'get_location' ". I also cannot reach the vector value when running state = model.initSystem() loc = model.get...