[Octave-bug-tracker] [bug #33748] plotyy: only subset of data series plotted in FLTK

[Rik]

Update of bug #33748 (project octave):

                Priority:              5 - Normal => 2                      
                  Status:                    None => Duplicate              

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Follow-up Comment #1:

This is a problem with data precision and the fact that the FLTK uses variable
of class single (~8 digits of precision) versus the doubles that gnuplot
uses.

There is already a bug report filed against that so I am marking this as a
duplicate.

It is simple to work around this issue.  In general, you want to discard any
common element in the data to enhance the precision.  For example, imagine
making a time series plot where the x-axis went from 2000 to 2009.  If I use
that range I take 4 digits of precision.  Alternatively, I could subtract by
the common factor 2000, and then the range is 0-9 which takes only 1 digit of
precision.  I'm attaching a script which demonstrates how to get a correct
plot using your data.  In this case I used center() on your x-axis data which
subtracts the mean from data.


(file #23680)
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Additional Item Attachment:

File name: plotyy_fltk_fixed.m            Size:0 KB


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