Modify an existing model

Provide easy-to-use, extensible software for modeling, simulating, controlling, and analyzing the neuromusculoskeletal system.
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Wang Xingyue
Posts: 7
Joined: Wed Nov 25, 2020 1:30 am

Modify an existing model

Post by Wang Xingyue » Tue Mar 14, 2023 7:25 am

Hi guys,

I have been attempting to modify the lower body of the Gait2354 to resemble that of a 12-year-old boy, using an article's data regarding segment mass, height, and radius of gyration. However, I have found that manual modifications alone may not be sufficient, as scaling segments can potentially change the joint axis and center of mass positions, which cannot be easily calculated from existing data.

I think that using the OpenSim API may be a viable option to address these issues. However, I have been unable to find any code or resources that I can use as a reference.

Hope someone can give me some advice, such as how to modify joint connections and coordinates.
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Windows
Python
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Mohammadreza Rezaie
Posts: 407
Joined: Fri Nov 24, 2017 12:48 am

Re: Modify an existing model

Post by Mohammadreza Rezaie » Tue Mar 14, 2023 9:31 am

Hi, several examples can be found on GitHub:
https://github.com/search?l=Python&q=op ... &type=Code
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