Multichannel-systems NeuroExplorer Manuel d'utilisateur télécharger pdf (Page 367)

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6.3.7. FragmentCounts Method

Variable.FragmentCounts Method

For continuous variable, returns the number of data points in fragments. This method is valid only for

continuous variables.

In general, a continuous variable may contain several fragments of data. Each fragment may be of a

different length. NeuroExplorer does not store the timestamps for all the A/D values since they would

use too much space. Instead, for each fragment, it stores the timestamp of the first A/D value in the

fragment and the index of the first data point in the fragment. The number of data points in each

fragment are returned by this method.

Syntax

SAFEARRAY(double) FragmentCounts()

Parameters

None.

Usage

Matlab

nex = actxserver('NeuroExplorer.Application');

doc = nex.OpenDocument('C:\Data\TestDataFile.nex');

% get the first continuous variable

cont1= doc.Continuous(1);

% get all the fragment counts

cont1FragmentCounts = cont1.FragmentCounts();

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Multichannel-systems NeuroExplorer Manuel d'utilisateur Page 367

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