To do this manually, you can right-click on a Waveform Chart and select Data Operations >> Clear Chart. To do it programmatically, you need to write an empty array to its History Data buffer. Refer to the Clearing Waveform Charts VI in the labview\examples\Controls and Indicators\Graphs ...
Software LabVIEW Issue DetailsWhen I right-click on the chart and select the Reinitialize to Default Value option, nothing happens. When I do the same thing on a Waveform Graph the data is cleared. How do I clear the data in a Waveform Chart?