visual3d:tutorials:kinematics_and_kinetics:force_platforms
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visual3d:tutorials:kinematics_and_kinetics:force_platforms [2025/01/15 17:53] – wikisysop | visual3d:tutorials:kinematics_and_kinetics:force_platforms [2025/01/15 19:42] (current) – [Practical Example] wikisysop | ||
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==== Preparing for Tutorial ==== | ==== Preparing for Tutorial ==== | ||
- | The required material for this tutorial are contained within [[http://example.com|External Link]], containing: | + | The required material for this tutorial are contained within [[https://has-motion.com/ |
* **Tutorial5_ForcePlatforms_Start**: | * **Tutorial5_ForcePlatforms_Start**: | ||
* **walkNoFpParameters**: | * **walkNoFpParameters**: | ||
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- The channel numbers should correspond with the force platform signals. Visual3D stores the ANALOG signals alphabetically in the data tree, which is not necessarily consistent with the C3D file order. To see the C3D order you must look in the ANALOG parameters. \\ \\ {{: | - The channel numbers should correspond with the force platform signals. Visual3D stores the ANALOG signals alphabetically in the data tree, which is not necessarily consistent with the C3D file order. To see the C3D order you must look in the ANALOG parameters. \\ \\ {{: | ||
- The force platform corners are the locations of the corners of the force platform in the laboratory coordinate system. | - The force platform corners are the locations of the corners of the force platform in the laboratory coordinate system. | ||
- | - Download a [[https:// | + | - Make sure that the **Modify_Force_Platform_Parameter.v3s** pipeline script |
- | - From the Visual3D pipeline, load the pipeline file that you just downloaded. Execute the pipeline and all force platform parameters will be updated. \\ \\ {{: | + | - From the Visual3D pipeline, load the in the pipeline file. Execute the pipeline and all force platform parameters will be updated. \\ \\ {{: |
=== Modifying the Force Platform Parameters === | === Modifying the Force Platform Parameters === | ||
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**Troubleshooting Tip:** If the ANALOG signals for the force platform exist, but the FORCE signal is zero, examine the FZ1 graph and verify that the Fz Channel of the ANALOG signals is negative. If not, then the ANALOG scale factor in the C3D file has probably been stored incorrectly by the motion capture software. The scale factor will need to be changed in the motion capture software and/or the file. | **Troubleshooting Tip:** If the ANALOG signals for the force platform exist, but the FORCE signal is zero, examine the FZ1 graph and verify that the Fz Channel of the ANALOG signals is negative. If not, then the ANALOG scale factor in the C3D file has probably been stored incorrectly by the motion capture software. The scale factor will need to be changed in the motion capture software and/or the file. | ||
- | Continue to the [[visual3d: | + | Continue to the [[visual3d: |
visual3d/tutorials/kinematics_and_kinetics/force_platforms.1736963609.txt.gz · Last modified: 2025/01/15 17:53 by wikisysop