Get orientation, speed and others with motion capture markers
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Claudia Castaneda
- Posts: 2
- Joined: Mon Apr 20, 2020 2:15 pm
Get orientation, speed and others with motion capture markers
Hi everybody. I hope you can help me. I am new using OpenSim, so I wanted to know if the OpenSim program can create "rigid bodies" with kinematic data (like the one shown in the image). And from that plane (created with three motion capture markers), for example, get data such as speed, orientation, etc. Thanks.
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Bryce Killen
- Posts: 104
- Joined: Mon Nov 24, 2014 7:12 pm
Re: Get orientation, speed and others with motion capture markers
HI Claudia,
The general premise of OpenSim, is that you have predefined rigid bodies which are driven using your motion capture data, from that model the orientation, speed etc can be pulled from the model analysis.
You could theoretically write some API code to build a stick model based on your markers, but this seems very tedious and not exactly what OpenSim is designed for. Even after that you would need to run analysis to get the speeds etc.
If it were me, I would look into the preexisitng models and instead use your markers in OpenSim, then the inverse kinematics tool to get the information you mentioend.
Bryce
The general premise of OpenSim, is that you have predefined rigid bodies which are driven using your motion capture data, from that model the orientation, speed etc can be pulled from the model analysis.
You could theoretically write some API code to build a stick model based on your markers, but this seems very tedious and not exactly what OpenSim is designed for. Even after that you would need to run analysis to get the speeds etc.
If it were me, I would look into the preexisitng models and instead use your markers in OpenSim, then the inverse kinematics tool to get the information you mentioend.
Bryce