Event Global Maximum

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Specify an Event Label(s) at the Global Maximum of a signal.

The result will be one maximum value over the range.

If the local maxima are needed, see the Event_Maximum command

To review the difference between local and global maximum values please see here.

Version 6

The Event_Global_Maximum command may be used to place an event at the Global maximum value of a signal. If Threshold has a value or expression only global maximum greater than the threshold will be identified.


Event Global Maximum v6.png

Version 5

The Event_Global_Maximum command may be used to place an event label at the Global Maximum value of a signal.

Event_Global_Maximum
/RESULT_EVENT_NAME=
! /SIGNAL_TYPES=
! /SIGNAL_NAMES=
! /SIGNAL_FOLDER= ORIGINAL
! /SIGNAL_COMPONENTS=
! /FRAME_OFFSET= 0 
! /TIME_OFFSET= 
! /EVENT_SEQUENCE= 
! /EXCLUDE_EVENTS= 
! /EVENT_SEQUENCE_INSTANCE= 0 
! /EVENT_SUBSEQUENCE= 
! /SUBSEQUENCE_EXCLUDE_EVENTS= 
! /EVENT_SUBSEQUENCE_INSTANCE= 0 
! /EVENT_INSTANCE=  0 
! /SELECT_X= 
! /SELECT_Y= 
! /SELECT_Z= 
! /SELECT_RESIDUAL= 
! /START_AT_EVENT= 
! /END_AT_EVENT= 
;

caption


Examples

This command may be used to create an event, RKFlex_Max, at the GLOBAL maximum value of a signal.
1) The maximum value of the signal may be over the entire signal
2) The maximum value of the signal may be during an event sequence
3) A specific event sequence may be excluded


Create an event RKFlex_Max at the maximum knee flexion angle during the gait cycle. The gait cycle is indicated by the RHS events.
NOTE: If no events are specified in the Event Sequence, a global maximum over the whole trial will be created.

One event will be created during each gait cycle.
Event_Maximum command may be used to create multiple maximum events during an event sequence.

Example - Dialog Box

To create the RKFlex_Max event using the Event_Global_Maximum dialog box:


1. Enter information into dialog box:

Event_Name: RKFlex_Max
Select Frame Offset:0
Signal Components:X
Select an event sequence and Instance for the range:
Event Sequence Instance:0
Defined Events:RHS + RHS
Click OK

caption


2. Select desired signal:

Select signal from data tree Right_Knee_Angle
Click Import Selected Signals

caption

Two instances of RKFlex_Max were created, one in between each sequence of RHS+RHS.

caption



Example - Exclude Sequence

Exclude Sequences containing these events can be used to exclude a specific sequence. In this example an event BAD was created between one sequence of RHS + RHS.

Using the same parameters as the previous example, set the Exclude Sequences containing events parameter to BAD

caption

Only one RKFlex_Max event was created because the second sequence containing the event BAD was excluded:

caption



Example - Subsequence

Subsequences can be used to create an event that occurs within a sequence within a sequence. In this example RKFlex_Max was created as the maximum value between LTO + LHS when these events feel between the RHS events.

Using the same parameters as the previous example, set the Subsqeuence parameter to LTO + LHS

caption

RKFlex_Max event was created between RHS events that contained the LTO to LHS subsequence.

caption



Version 4

Event_Global_Maximum
/Signal_Types= The type of signal to be evaluated
/Signal_Names= The names of the signals to be evaluated
/Signal_Folder= The name of the signal folder
/Event_Name= The name to be given to the threshold event
/Select_X= (True or False)Use this component of the signal
/Select_Y= (True or False)Use this component of the signal
/Select_Z= (True or False)Use this component of the signal
/Radius= The range of frames of data that must be below the maximum
/Start_At_Event= The search begins from the start event
/End_At_Event= The search ends at the end event

Dialog that pops up when pipeline selection is edited by double clicking with the left mouse button.
Eventglobalminmaxdlg.gif

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