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visual3d:documentation:pipeline:event_commands:event_delete [2025/02/28 18:52] – wikisysopvisual3d:documentation:pipeline:event_commands:event_delete [2025/04/29 14:38] (current) – [Dialog] wikisysop
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 ===== Event Delete ===== ===== Event Delete =====
  
-==== Overview ====+===== Overview =====
 The **Event_Delete** command is used to remove an existing event from a dataset based on specified conditions. This command allows users to delete all instances of an event, target specific occurrences, or limit deletions within a defined event sequence while optionally excluding specific events. Users can also delete events based on a time reference. The **Event_Delete** command is used to remove an existing event from a dataset based on specified conditions. This command allows users to delete all instances of an event, target specific occurrences, or limit deletions within a defined event sequence while optionally excluding specific events. Users can also delete events based on a time reference.
  
-This command is particularly useful for refining datasets by removing redundant, incorrectly placed, or unnecessary events, ensuring accuracy i n biomechanical event analysis.+This command is particularly useful for refining datasets by removing redundant, incorrectly placed, or unnecessary events, ensuring accuracy in biomechanical event analysis.
  
 The functionality of this command can also be achieved by right-clicking on an event in the data tree, **Delete Event** us an option on the context menu. The interactive selection from the data tree can be shown here: The functionality of this command can also be achieved by right-clicking on an event in the data tree, **Delete Event** us an option on the context menu. The interactive selection from the data tree can be shown here:
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 {{:visual3d:documentation:pipeline:event_commands:eventdelete_interactive_selection.png?300|}} {{:visual3d:documentation:pipeline:event_commands:eventdelete_interactive_selection.png?300|}}
  
-==== Pipeline Command ====+===== Pipeline Command =====
 The command below is as seen in the Visual3D application. The command below is as seen in the Visual3D application.
  
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 </code> </code>
  
-==== Command Parameters ====+===== Command Parameters =====
 The following table shows the command parameters and descriptions: The following table shows the command parameters and descriptions:
  
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 |**!/TIME**|Deletes events that occur at a specific time.| |**!/TIME**|Deletes events that occur at a specific time.|
  
-==== Dialog ====+===== Dialog =====
 Due to the simplicity of this command and the interactive selection option, this command does not display a dialog box when clicked, instead parameters can be edited within the text editor. Due to the simplicity of this command and the interactive selection option, this command does not display a dialog box when clicked, instead parameters can be edited within the text editor.
  
-==== Examples ====+{{:visual3d:documentation:pipeline:event_commands:eventdlt_dlg.png?400|}} 
 + 
 +  * **Event Name**: Name of the event to be deleted. 
 +  * **Event Sequence**: Define the sequence of events (range) where the deletion should occur. 
 +  * **Exclude Events**: Prevent deletion within any event sequences that include these events. 
 +  * **Event Instance**: Specify which event instances to delete. 
 +  * **Time**: Add time-based condition (e.g., delete events that occur before or after a certain time). 
 + 
 + 
 +===== Examples =====
 The following examples will go through the use of the **Event_Delete** command in the Visual3D application. The following examples will go through the use of the **Event_Delete** command in the Visual3D application.
  
-=== Example 1: Deleting All Instances of an Event ===+==== Example 1: Deleting All Instances of an Event ====
 The first example shows the process of removing the "OFF" and "ON" events for each foot during a gait cycle, which leaves only HS (heel strike) and TO (toe off) events, determined by the Automatic_Gait_Events command. The first example shows the process of removing the "OFF" and "ON" events for each foot during a gait cycle, which leaves only HS (heel strike) and TO (toe off) events, determined by the Automatic_Gait_Events command.
  
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 {{:visual3d:documentation:pipeline:event_commands:events_list_updated.png?300|}} {{:visual3d:documentation:pipeline:event_commands:events_list_updated.png?300|}}
  
 +==== Example 2: Deleting a Specific Instance of an Event ====
 +In this example, imagine analyzing a gait cycle where a participant takes two steps with their right foot and then two steps with their left foot.
  
 +If primarily interested in analyzing the first step taken with each foot, in this situation, only the second instance of toe-off for each foot should be deleted.
  
 +<code>
 +Event_Delete
 +/EVENT_NAME=LTO
 +! /EVENT_SEQUENCE=
 +! /EXCLUDE_EVENTS=
 +/EVENT_INSTANCE=2
 +! /TIME=
 +;
  
 +Event_Delete 
 +/EVENT_NAME=RTO 
 +! /EVENT_SEQUENCE= 
 +! /EXCLUDE_EVENTS= 
 +/EVENT_INSTANCE=2 
 +! /TIME= 
 +; 
 +</code>
  
  
  
  
visual3d/documentation/pipeline/event_commands/event_delete.1740768741.txt.gz · Last modified: 2025/02/28 18:52 by wikisysop