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

[Matthew Truch]

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http://bugs.kde.org/show_bug.cgi?id=104765         
           Summary: skipping frames in live data causes mysterious 'retrace
                    line' to appear randomly
           Product: kst
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kst kde org
        ReportedBy: matt truch net


Version:           1.1.0_beta1 (using KDE 3.4.0, compiled sources)
Compiler:          gcc version 3.3.5
OS:                Linux (i686) release 2.6.9

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.