getLocation() Matlab API bug

[Russell Hardesty]

I'm attempting to pull my model's muscle pathpoint locations using the Matlab API, but it keeps displaying an error as though that function is not appropriate for the AbstractPathPoints class.

My syntax is as follows
hModel = Model([sModelPath sModelFile]);
hModel.getMuscles.get(0).getGeometryPath.getPathPointSet.get(0).getLocation;

The getLocation function appears both when I query available methods for the class in Matlab as well as the online documentation:

https://simtk.org/api_docs/opensim/api_ ... Point.html

Also I can successfully pull the muscle pathpoint's name (using getName) and the class is properly displayed as AbstractPathPoint using the getClass function.

This script had previously worked in OpenSim 3.3 using the getLocationCoord method for the same class. We are now using 4.0.

Thanks.

[Thomas Uchida]

The getLocation() method requires a State as an argument, which you are not providing. https://simtk.org/api_docs/opensim/api_ ... 46bf803b68

[Ayman Habib]

Hi Russel,

getLocation method takes a state object as an rgument now. Also note that the method is on base class and may not be implemented for some types of PathPoints. This is a change from 3.3 API.

Hope this helps,
-Ayman

[Russell Hardesty]

RESOLVED:

That worked guys. Thank you very much.