[Kst] [Bug 249555] New: Bogus front to back line on live plot
peter.milne at d-tacq.com
Mon Aug 30 23:31:31 CEST 2010
Summary: Bogus front to back line on live plot
Platform: Compiled Sources
AssignedTo: kst at kde.org
ReportedBy: peter.milne at d-tacq.com
Created an attachment (id=51123)
Picture shows the "diagonal line" fault
Running a live plot, last 100 points in a long trace with >1 update per second.
Approx 1 in 10 plots show a fault where it appears that a straight line is
drawn back from the right-most point to the left most point.
This appears as "Diagonal Line" in noisy data.
The rest of the plots are fine
Steps to Reproduce:
Plot live data. Watch. Finger on the pause button to catch it ..
Looks like it's related to timebase.
Plotting data vs index, the fault doesn't happen.
The generator program updates data first, then timebase...
maybe we'd get better results if it were to write timebase before data?.
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