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other:inspect3d:tutorials:visualizing_healthy_human_walking [2025/01/17 15:47] – wikisysopother:inspect3d:tutorials:visualizing_healthy_human_walking [2025/01/17 16:41] (current) – wikisysop
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 ==== Cleaning the data set in Inspect3D ==== ==== Cleaning the data set in Inspect3D ====
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-[[File:Tutorial-HHW-I3DCleanGRFZ.PNG|{{/images/thumb/c/c2/Tutorial-HHW-I3DCleanGRFZ.PNG/400px-Tutorial-HHW-I3DCleanGRFZ.PNG?400x335}}]] 
  
 The processing done in Visual3D allows us to extract signal traces from all of our desired gait sequences from the .c3d files, but not all of these are suitable for further analysis. The number of traces involved makes it impractical to clean this data set in Visual3D, there are more than 3000 traces for Participant 1 alone, but Inspect3D gives us the ability to visualize the ground reaction forces and make inclusion/exclusion decisions for each trace. A detailed explanation of this process can be found in the [[Other:Inspect3D:Tutorials:Clean_your_Data|Clean your data]] tutorial. The processing done in Visual3D allows us to extract signal traces from all of our desired gait sequences from the .c3d files, but not all of these are suitable for further analysis. The number of traces involved makes it impractical to clean this data set in Visual3D, there are more than 3000 traces for Participant 1 alone, but Inspect3D gives us the ability to visualize the ground reaction forces and make inclusion/exclusion decisions for each trace. A detailed explanation of this process can be found in the [[Other:Inspect3D:Tutorials:Clean_your_Data|Clean your data]] tutorial.
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 +{{:Tutorial-HHW-I3DCleanGRFZ.PNG}}
  
 1. Load **Participant_1.cmz** into the library. 1. Load **Participant_1.cmz** into the library.
  
-2. Open the {{:I3DGroups.png}} **Group Definitions** dialog and apply the GRF.q3d query definitions to compute three groups, one for each component of the ground reaction force.+2. Open the {{:I3DGroups.png?20}} **Group Definitions** dialog and apply the GRF.q3d query definitions to compute three groups, one for each component of the ground reaction force.
  
 3. Select the GRF_Z group and **Plot all sequences**. 3. Select the GRF_Z group and **Plot all sequences**.
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 4. In the queried data, iteratively select traces that look anomalous and exclude them. The end result should look like the figure on the right. 4. In the queried data, iteratively select traces that look anomalous and exclude them. The end result should look like the figure on the right.
  
-5. Open the {{:I3DUpdateCMOsWithBadEvents.png}} **Update CMZs** dialog from the toolbar, select **Update Force Assignments...**, and then **Update CMOs**.+5. Open the {{:I3DUpdateCMOsWithBadEvents.png?20}} **Update CMZs** dialog from the toolbar, select **Update Force Assignments...**, and then **Update CMOs**.
  
 6. Plot all sequences for each GRF component in turn, verifying that there are no included traces that should be excluded. If there are any bad traces left, repeat steps 4 and 5 as necessary until you are satisfied with the remaining traces. 6. Plot all sequences for each GRF component in turn, verifying that there are no included traces that should be excluded. If there are any bad traces left, repeat steps 4 and 5 as necessary until you are satisfied with the remaining traces.
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 Now that Participant 1's CMZ file has been cleaned of any unwanted traces, we are ready to perform some preliminary analysis and visualize the data set. Our goal in this section is to reproduce [[https://www.nature.com/articles/s41597-022-01817-1/figures/3|Figure 3]] in the paper. Now that Participant 1's CMZ file has been cleaned of any unwanted traces, we are ready to perform some preliminary analysis and visualize the data set. Our goal in this section is to reproduce [[https://www.nature.com/articles/s41597-022-01817-1/figures/3|Figure 3]] in the paper.
  
-1. Open the {{:I3DShowOptions.png}} **Show Options** dialog, deselect **Auto-scale graphs**, and set both **Graph Rows** and **Graph Columns** to 3. This will create a 3x3 layout of grids in the Queried Data area. Move over to the **Colour Palette** tab and load the Healthy Human Walking L-R colour palette.+1. Open the {{:I3DShowOptions.png?20}} **Show Options** dialog, deselect **Auto-scale graphs**, and set both **Graph Rows** and **Graph Columns** to 3. This will create a 3x3 layout of grids in the Queried Data area. Move over to the **Colour Palette** tab and load the Healthy Human Walking L-R colour palette.
  
-[[File:Tutorial-HHW-I3DOptionsDialog.PNG|{{/images/thumb/5/5a/Tutorial-HHW-I3DOptionsDialog.PNG/600px-Tutorial-HHW-I3DOptionsDialog.PNG?600x405}}]]+{{:Tutorial-HHW-I3DOptionsDialog.PNG}}
  
-2. Open the {{:I3DGroups.png}} **Group Definitions** dialog and apply the HealthyHumanWalking-X.q3d query definitions. This extracts the X-component for all signals in the library without combining signals across the left and right sides of the body.+2. Open the {{:I3DGroups.png?20}} **Group Definitions** dialog and apply the HealthyHumanWalking-X.q3d query definitions. This extracts the X-component for all signals in the library without combining signals across the left and right sides of the body.
  
 3. Make sure that the top left graph (1,1) is active, indicated by the grey border. Select the RAnkleAngle_X and LAnkleAngle_X groups and plot the Group Means. 3. Make sure that the top left graph (1,1) is active, indicated by the grey border. Select the RAnkleAngle_X and LAnkleAngle_X groups and plot the Group Means.
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   * Bottom right (3,3) - RHipPower_X and LHipPower_X   * Bottom right (3,3) - RHipPower_X and LHipPower_X
  
-5. With the group means plotted for each of our signals, all that remains is to assign the appropriate graph and axis titles. To do this, reopen the {{:I3DShowOptions.png}} **Show Options** dialog and move over to the **Plot Styles** tab. For example, for the top left graph (1,1), provide the following input:+5. With the group means plotted for each of our signals, all that remains is to assign the appropriate graph and axis titles. To do this, reopen the {{:I3DShowOptions.png?20}} **Show Options** dialog and move over to the **Plot Styles** tab. For example, for the top left graph (1,1), provide the following input:
  
   * Deselect **Display Group Name as Title**   * Deselect **Display Group Name as Title**
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 6. Repeat Step 5 for the remaining graphs using the titles from Figure 3. 6. Repeat Step 5 for the remaining graphs using the titles from Figure 3.
  
-[[File:Tutorial-HHW-I3DAllPlots.PNG|{{/images/thumb/0/06/Tutorial-HHW-I3DAllPlots.PNG/1000px-Tutorial-HHW-I3DAllPlots.PNG?1000x709}}]]+{{:Tutorial-HHW-I3DAllPlots.PNG}}
  
  
other/inspect3d/tutorials/visualizing_healthy_human_walking.1737128865.txt.gz · Last modified: 2025/01/17 15:47 by wikisysop