ENH: Timeplot auto scrolling #1076
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zdomke
commented
May 3, 2024
zdomke
commented
May 3, 2024
…meplot_auto_scroll Conflicts: pydm/widgets/archiver_time_plot.py
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Rebased timeplot_auto_scroll to slaclab:master |
jbellister-slac
approved these changes
May 9, 2024
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Follow up to #1601
Add an autoscroll feature to PyDMTimePlot and PyDMArchiverTimePlot.
When enabling autoscroll a refresh rate, timespan, and padding are provided. A QTimer is created that will call a function to shift the plot along the X-axis, always showing the given timespan. The QTimer calls this function after <refresh_rate> seconds. The padding will show that much space to the right of the rightmost datapoint.
By default the padding is 10% of the timespan. If the padding value is less than the refresh_rate, then the padding size is the refresh_rate value. This prevents getting newer data than the X-axis shows, which would cause the plot to "jump" to the right frequently.