chartsrangelabviewwaveform
Labview: how to set the time range in a Waveform Chart
I have a Waveform Chart in Labview. I know that I can change its range using the "Plot History Length" property. The problem is that I don't add the points to the plot regularly, so I can't compute the number of point I want to be displayed.
Is there a way to inform Labview that I want only the points from last, let's say, 20 minutes to be displayed?
I want to display an absolute time, so setting range to 20 min won't help.
Solution
Try to use X-Y graph instead of Waveform chart, and assign your time data to the X axis.
OR: Use waveform chart, select absolute time, modify min.range and max.range properties of Time axis to show up the range Current time -20 to Current time
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