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visual3d:tutorials:knowledge_discovery:typical_processing_session [2025/02/07 20:17] – [Opening movement files] wikisysopvisual3d:tutorials:knowledge_discovery:typical_processing_session [2025/02/07 20:50] (current) – [Creating model based items] wikisysop
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-==== Creating a Model ====+===== Creating a Model =====
 Open the Visual3D application to an empty Workspace. The first step will be to create the model, following these steps: Open the Visual3D application to an empty Workspace. The first step will be to create the model, following these steps:
  
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-==== Applying a Model Template ====+===== Applying a Model Template =====
  
 In the next section, you will apply a previously constructed model template. If you don't have a [[Visual3D:Documentation:Modeling:Model_Templates|Model Template]] (.mdh file) for this standing trial, please complete the [[Visual3D:Tutorials:Modeling:Building_a_6_DOF_Model_|Model Building Tutorial]] which describes the process for building a model and creating a template. In the next section, you will apply a previously constructed model template. If you don't have a [[Visual3D:Documentation:Modeling:Model_Templates|Model Template]] (.mdh file) for this standing trial, please complete the [[Visual3D:Tutorials:Modeling:Building_a_6_DOF_Model_|Model Building Tutorial]] which describes the process for building a model and creating a template.
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-==== Opening movement files ====+===== Opening movement files =====
  
 This section will open/add the movement files to the model that was created in the previous sections on this page. This section will open/add the movement files to the model that was created in the previous sections on this page.
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 A great example of assigning models to motion files can be found on the following pages [[Visual3D:Documentation:Pipeline:File_Commands:File_Open|File Open]]. A great example of assigning models to motion files can be found on the following pages [[Visual3D:Documentation:Pipeline:File_Commands:File_Open|File Open]].
  
-==== Assigning movement files to a model ====+===== Assigning movement files to a model =====
  
 In the previous sections, the movement files were added and the model template was applied to the static standing trial. These movement files need to be associated or assigned with static standing model file. When movement files are assigned to a model, the pose (position and orientation) of each segment and landmarks in the model are computed for the motion file. To assign the movement files to a model, follow these steps: In the previous sections, the movement files were added and the model template was applied to the static standing trial. These movement files need to be associated or assigned with static standing model file. When movement files are assigned to a model, the pose (position and orientation) of each segment and landmarks in the model are computed for the motion file. To assign the movement files to a model, follow these steps:
  
-|**1. Assign model to motion trial**\\ \\ a. Model -> Assign Model to Motion Files\\ \\ b. Select the checkbox next to WalkingTrial_01.c3d\\ \\ c. Click OK  |  {{:TPS_AssignMotionTrials.png}}\\ |+**1. Assign model to motion trial** 
 +\\ 
 +a. Model -> Assign Model to Motion Files 
 +\\ 
 +b. Select the checkbox next to **WalkingTrial_01.c3d** 
 +\\ 
 +c. Click OK   
 +\\ 
 + 
 +{{:TPS_AssignMotionTrials.png}}\\  
 + 
  
 **Verify -** The 3D Animation Viewer should now display a skeleton of the lower body that has been associated with your movement data. You can animate the skeleton by clicking the PLAY {{:play.jpg}} button in the VCR controls at the bottom of your screen. **Verify -** The 3D Animation Viewer should now display a skeleton of the lower body that has been associated with your movement data. You can animate the skeleton by clicking the PLAY {{:play.jpg}} button in the VCR controls at the bottom of your screen.
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 A great example of assigning models to motion files can be found on the following page [[Visual3D:Documentation:Pipeline:Model_Commands:Assign_Model_File|Assign_Model_File]]. A great example of assigning models to motion files can be found on the following page [[Visual3D:Documentation:Pipeline:Model_Commands:Assign_Model_File|Assign_Model_File]].
  
-==== Basic Signal Processing ====+===== Basic Signal Processing ===== 
 +For this section, switch to the **Signal and Events** tab.
  
 Signal Processing is accomplished typically through [[Visual3D:Documentation:Pipeline:Pipeline_Overview|pipeline commands]]. For more detail, a tutorial describing [[Visual3D:Tutorials:Knowledge_Discovery:Signal_Processing|Signal Processing]] is available. Signal Processing is accomplished typically through [[Visual3D:Documentation:Pipeline:Pipeline_Overview|pipeline commands]]. For more detail, a tutorial describing [[Visual3D:Tutorials:Knowledge_Discovery:Signal_Processing|Signal Processing]] is available.
  
-This section assumes that you have worked through the previous sections on this page. The following are steps for Interpolating and Filtering the TARGET data.+This section assumes that you have worked through the previous sections on this page. The following are steps for Interpolating and Filtering the TARGET data. 
  
-**Make sure you are in the Signals and Events tab for the Processing section**+**1. Interpolate TARGET signals:** 
 +\\ 
 +a. Signals and Events tab 
 +\\ 
 +b. Expand the TARGET folder 
 +\\ 
 +c. Right click on the ORIGINAL folder 
 +\\ 
 +d. Click Processing 
 +\\ 
 +e. Click Interpolate  
 +\\ 
 +f. Click Done
  
-|1. Interpolate TARGET signals:\\ \\ a. Signals and Events tab\\ \\ b. Expand the TARGET folder\\ \\ c. Right click on the ORIGINAL folder\\ \\ d. Click Processing >\\ \\ e. Click Interpolate\\ \\ f. Click Done\\ \\ See [[https://www.c-motion.com/support/Visual3D.php?topic=FAQ_Signals#topic-828|Signal Processing]] for an explanation of the default command parameters.\\ \\ \\ Note that a **PROCESSED** folder has appeared under the **TARGET** folder in the data tree.\\   |  {{:TPS_InterpolateData.png}}\\ |+See [[https://www.c-motion.com/support/Visual3D.php?topic=FAQ_Signals#topic-828|Signal Processing]] for an explanation of the default command parameters. 
 +\\ 
 +**NOTE:** a **PROCESSED** folder has appeared under the **TARGET** folder in the data tree. 
 +\\ 
 +{{:TPS_InterpolateData.png?500}}
  
-|2. Filter TARGET signals:\\ \\ a. Expand the TARGET folder\\ \\ b. Right click on the PROCESSED folder\\ \\ c. Click Processing >\\ \\ d. Click Filter\\ \\ e. Click Done\\ \\ See [[https://www.c-motion.com/support/Visual3D.php?topic=FAQ_Signals#topic-830%7CSignal|Processing]] for an explanation of the default command parameters.\\ \\ Note that only a **PROCESSED** folder exists under the **TARGET** folder in the data tree (e.g. a new PROCESSED folder wasn't created). By default Visual3D uses only one PROCESSED folder, which contains the most recent processing done to a signal.  |  {{:TPS_FilterData.png}}\\ | 
  
-|3. Review Processing History:\\ \\ a. Expand the TARGET folder\\ \\ d. Expand the PROCESSED folder\\ \\ c. Left click on signal "CTRHID"\\ \\ d. In the Data View Dialog, select Signal Processing History tab  |  \\ {{:TPS_ProcessingHistory.png}}\\ |+**2. Filter TARGET signals:** 
 +\\ 
 +a. Expand the TARGET folder 
 +\\ 
 +b. Right click on the PROCESSED folder 
 +\\ 
 +c. Click Processing  
 +\\ 
 +d. Click Filter 
 +\\ 
 +e. Click Done 
 + 
 + 
 +See [[https://www.c-motion.com/support/Visual3D.php?topic=FAQ_Signals#topic-830%7CSignal|Processing]] for an explanation of the default command parameters. 
 +\\ 
 +**NOTE:** Only a **PROCESSED** folder exists under the **TARGET** folder in the data tree (e.g. a new PROCESSED folder wasn't created). By default Visual3D uses only one PROCESSED folder, which contains the most recent processing done to a signal.  
 +\\ 
 + {{:TPS_FilterData.png?500}} 
 + 
 + 
 +**3. Review Processing History:** 
 +\\ 
 +a. Expand the TARGET folder 
 +\\ 
 +b. Expand PROCESSED folder 
 +\\ 
 +c. Left click on signal "CTRHID" 
 +\\ 
 +d. In the Data View Dialog, select Signal Processing History tab  
 +\\ 
 +{{:TPS_ProcessingHistory.png?500}} 
  
 === Pipeline commands for Basic Signal Processing === === Pipeline commands for Basic Signal Processing ===
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 Refer to [[Visual3D:Tutorials:Pipeline:Command_Pipeline_#Pipeline_SIGNAL_PROCESSING|Tutorial:_Command_Pipeline#Pipeline_SIGNAL_PROCESSING]] for an example. Refer to [[Visual3D:Tutorials:Pipeline:Command_Pipeline_#Pipeline_SIGNAL_PROCESSING|Tutorial:_Command_Pipeline#Pipeline_SIGNAL_PROCESSING]] for an example.
  
-==== Check Force Assignments ==== 
  
-==== Creating Event Labels ====+ 
 +===== Creating Event Labels =====
  
 An Event is simply an occurrence of interest that correlates to a motion capture frame, i.e. to a particular time point within a movement. The key events for gait studies (e.g., heel strike, toe-off) are now so well standardized that Visual3D can detect and mark them automatically . For other applications, you can define your own events, either manually (using the mouse to double-click on significant points on any graph) or computationally. After you have worked through the steps in this section, refer to [[Visual3D:Tutorials:Events:Event_Processing_|Tutorial:_Event_Processing]] for more information about creating event labels. In addition, go to [[Visual3D:Documentation:C3D_Signal_Types:EVENT_LABEL_Data_Type|Event Labels]] for more examples. An Event is simply an occurrence of interest that correlates to a motion capture frame, i.e. to a particular time point within a movement. The key events for gait studies (e.g., heel strike, toe-off) are now so well standardized that Visual3D can detect and mark them automatically . For other applications, you can define your own events, either manually (using the mouse to double-click on significant points on any graph) or computationally. After you have worked through the steps in this section, refer to [[Visual3D:Tutorials:Events:Event_Processing_|Tutorial:_Event_Processing]] for more information about creating event labels. In addition, go to [[Visual3D:Documentation:C3D_Signal_Types:EVENT_LABEL_Data_Type|Event Labels]] for more examples.
  
-=== Entering an Event manually ===+==== Entering an Event manually ====
  
 Events can be added to the data file manually by selecting a frame in a graph in **SIGNAL AND EVENT PROCESSING** mode. Follow these steps: Events can be added to the data file manually by selecting a frame in a graph in **SIGNAL AND EVENT PROCESSING** mode. Follow these steps:
  
-|1. Plot the signal as an Interactive Graph:\\ \\ a. In the Signal and Events tab\\ \\ b. Expand the TARGET folder\\ \\ c. Expand the PROCESSED folder\\ \\ d. Right click on the LFCC target\\ \\ e. Select "Graph X, Y and Z" >\\ \\ f. Click New Graph  |  {{:TPS_Createinteractivegraph.png}}|+**1. Plot the signal as an Interactive Graph:** 
 +\\ 
 +a. In the Signal and Events tab 
 +\\ 
 +b. Expand the TARGET folder 
 +\\ 
 +c. Expand the PROCESSED folder 
 +\\ 
 +d. Right click on the LFCC target 
 +\\ 
 +e. Select "Graph X, Y and Z" 
 +\\ 
 +f. Click New Graph 
 +\\ 
 +{{:TPS_Createinteractivegraph.png?500}}
  
-|Select the graph by clicking with the Left Mouse Button on the graph. When the graph is selected you will see the handles (little rectangles) on the graph.\\ \\ When the graph is selected you can change the scale for the X and Y axes.\\ \\ You can also view a vertical line which is associated with the current frame.  |  {{:TPS_LFCC_graph.png}}| 
  
 +Select the graph by clicking with the Left Mouse Button on the graph. When the graph is selected you will see the handles (little rectangles) on the graph.
 +\\
 +When the graph is selected you can change the scale for the X and Y axes. You can also view a vertical line which is associated with the current frame.  
 +\\
 +{{:TPS_LFCC_graph.png}}
 +
 +\\
 +**2. Manually create a new Event Label**
 +\\
 +a. Double click with the Left Mouse button at the location you want the event to be added
 +\\
 +b. In the dialog, specify the event label name
 +\\
 +Note that the name of the Event Label can be the same as an existing label in the data tree because more than one occurrence of an Event is allowed. The buttons **<<** and **>>** allow you to move the Event forward or backward through the frames.
 \\ \\
  
 +{{:TPS_LFCC_graph_newEvent.png}}
  
-|2. Manually create a new Event Lable\\ \\ a. Double click with the Left Mouse button at the location you want the event to be added\\ \\ b. In the dialog, specify the event label name\\ \\ Note that the name of the Event Label can be the same as an existing label in the data tree because more than one occurrence of an Event is allowed.\\ \\ \\ The buttons **<<** and **>>** allow you to move the Event forward or backward through the frames.  |  {{:TPS_LFCC_graph_newEvent.png}}| 
  
 After an Event has been created it can be edited using the Edit Events Dialog. The process of Editing an Event is explained elsewhere. After an Event has been created it can be edited using the Edit Events Dialog. The process of Editing an Event is explained elsewhere.
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 Users can create events specific to their task (different types of motion, EMG processing, etc.) by using any combination of signal processing in conjunction with the many [[Visual3D:Documentation:Pipeline:Event_Commands:Event_Commands_Overview|Event commands]]. Users can create events specific to their task (different types of motion, EMG processing, etc.) by using any combination of signal processing in conjunction with the many [[Visual3D:Documentation:Pipeline:Event_Commands:Event_Commands_Overview|Event commands]].
  
-==== Creating model based items ====+===== Creating model based items =====
  
 Model Based Items refers to Kinematic and Kinetic calculations based on rigid body modeling. Model Based Items refers to Kinematic and Kinetic calculations based on rigid body modeling.
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 To create the right knee joint angle, follow these steps: To create the right knee joint angle, follow these steps:
  
-|1. Under **MODEL** in the main menu bar, select **Compute Model Based Data**  |  {{:tutorial8_1.jpg}}|+1. Under **MODEL** in the main menu bar, select **Compute Model Based Data** 
 +\\ 
 +{{:tutorial8_1.jpg}}|
  
-|2. Define the Right Knee Angle as follows\\ \\ 1. **Data Name:** RKneeAngle\\ \\ 2. **Model Based Item Properties:** JOINT_ANGLE\\ \\ 3. **Segment:** RSK (Right Shank)\\ \\ 4. **Reference Segment:** RTH (Right Thigh)\\ \\ 5. **Cardan Sequence:** XYZ\\ \\ 6. Click **Create**  |  {{:tutorial8_2.jpg}}\\ |+2. Define the Right Knee Angle as follows: 
 +\\ 
 +**Data Name:** RKneeAngle 
 +\\ 
 +**Model Based Item Properties:** JOINT_ANGLE 
 +\\ 
 +**Segment:** RSK (Right Shank) 
 +\\ 
 +**Reference Segment:** RTH (Right Thigh) 
 +\\ 
 +**Cardan Sequence:** XYZ 
 +\\ 
 +Click **Create** 
 +\\ 
 +{{:tutorial8_2.jpg}}
  
-|**Processing Results**\\ \\ - The joint angle is created and a processing dialog shows if any errors were encountered. Note that the dialog also contains which files were processed. It is important to note this because signals are only created for the active files.  |  {{:tutorial8_3.gif}}\\ | 
  
-|3. Define the Left Knee Angle as follows\\ \\ 1. **Data Name:** LKneeAngle\\ \\ 2. **Model Based Item Properties:** JOINT_ANGLE\\ \\ 3. **Segment:** LSK (Left Shank)\\ \\ 4. **Reference Segment:** LTH (Left Thigh)\\ \\ 5. **Cardan Sequence:** XYZ\\ \\ 6. Click **Create**  |  \\ {{:tutorial8_4.jpg}}\\ | 
  
-|Notice that a new folder is created in the Data Tree for LINK_MODEL_BASED calculations. This folder now contains the Left Knee Angle and Right Knee Angle Signals.\\   |  {{:tutorial8_5.jpg}}\\ |+**Processing Results** 
 +\\ 
 +The joint angle is created and a processing dialog shows if any errors were encountered. Note that the dialog also contains which files were processed. It is important to note this because signals are only created for the active files. 
 +\\ 
 +{{:tutorial8_3.gif?400}} 
 + 
 +**3. Define the Left Knee Angle as follows** 
 +\\ 
 +**Data Name:** LKneeAngle 
 +\\ 
 +**Model Based Item Properties:** JOINT_ANGLE 
 +\\ 
 +**Segment:** LSK (Left Shank) 
 +\\ 
 +**Reference Segment:** LTH (Left Thigh) 
 +\\ 
 +**Cardan Sequence:** XYZ 
 +\\ 
 +Click **Create** 
 +\\ 
 +{{:tutorial8_4.jpg}} 
 + 
 + 
 +Notice that a new folder is created in the Data Tree for LINK_MODEL_BASED calculations. This folder now contains the Left Knee Angle and Right Knee Angle Signals.   
 +\\ 
 +{{:tutorial8_5.jpg}}
  
 === Using Pipeline Commands === === Using Pipeline Commands ===
visual3d/tutorials/knowledge_discovery/typical_processing_session.1738959445.txt.gz · Last modified: 2025/02/07 20:17 by wikisysop