[Kst] [Bug 104765] skipping frames in live data causes mysterious 'retrace line' to appear randomly

Matthew Truch matt at truch.net
Fri Apr 29 17:07:02 CEST 2005


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http://bugs.kde.org/show_bug.cgi?id=104765         




------- Additional Comments From matt truch net  2005-04-29 17:06 -------
> > When plotting live data, if you have skip frames set to some value greater
> > than 1, a retrace line will randomly appear and disappear (with each
> > update).  The 'retrace line' goes from the first point plotted to the last
> > point plotted (looks like a lousy linear fit).
> >
> > Expected behavior: line doesn't appear.
> 
> 
>   Does this have to do with a situation where the X vector has more samples 
> than the Y vector at that instant?


That's certainly possible, but would also be the case when not skipping
samples (but the problem doesn't occur when not skipping samples).


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