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path points for a muscle using GetPointForceDirections

Posted: Thu Oct 01, 2020 3:59 pm
by davromon
Hello,

I am trying to obtain the path points for a muscle using GetPointForceDirections in Matlab. This method takes two arguments, the first one being state. I am not sure what the second one is.

For example, using the sample script KneeReflex_answers.m (supplied with the Opensim 4.1 release) I can obtain some basic muscle parameters based on the state, such as:
vastus.getLength(state)
vastus.appliesForce(state)
vastus.getFiberForce(state)

How could I get to a list of path points (including wrapping points) for the muscle?

Thanks so much,
David M