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...