niRFSGPlayback Read Waveform Size From File VI
- Updated2025-10-13
- 2 minute(s) read
Returns the size of the waveform stored in the file. This VI uses the waveform index parameter as the key to retrieve the waveform property.

Inputs/Outputs
file path
—
file path specifies the absolute path to the TDMS file from which the playback library reads the waveform.
waveform index
—
waveform index specifies the waveform number in the file for which you want to read the waveform size.
error in
—
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
waveform size
—
waveform size returns the size of the waveform stored in the file for the waveform number that you specified in the waveform index parameter. This value is expressed in samples.
error out
—
error out contains error information. This output provides standard error out functionality. |
file path
—
waveform index
—
error in
—
waveform size
—
error out
—