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Text files – import and export

Saving an AcqKnowledge file as a text file.

In the exported text file each column represents data from a different channel. If Horizontal scale values was selected then the first column contains the time values. Here is an example of an exported text file.

C:testfile.txt
10.000000 msec/sample
3 channels
Blood Pressure
mmHg
EMG
volts
GSR
microsiemens
ms CH0 CH1 CH2
2 2 2
0,87.2121333,1.010376,3.010376
10,87.1100708,1.0100708,3.0100708

In the above example, the values should be interpreted as follows:
Blood Pressure: 87.2121333, 87.1100708
EMG: 1.010376, 1.0100708
GSR:3.010376, 3.0100708
Time: 0,10 (msec)
Importing a text file into AcqKnowledge.
1. Go to File > Open
2. From Files of type select Text file
3. Click on the Options button
The Read line option allows you to import only a section of the file
The Interval option allows you to define the sample rate
The Column delimiter allows you to specify how columns of data are separated
When importing a text file it should have the following format (the delimiter could be a comma, tab or a space):
1,2,3
11,22,33
111,222,333
1111,2222,3333
Every row corresponds to a sample point at a given time and every column contains the data for a different channel. For the above example, if the sample rate was 1 second, the file will be interpreted as follows:
Channel/Time1sec2sec3sec4sec
Channel 11111111111
Channel 22222222222
Channel 33333333333

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