[Octave-bug-tracker] [bug #59418] Document work-arounds for single-precision OpenGL plots

[Lars Kindermann]

Follow-up Comment #1, bug #59418 (project octave):

Me and my students are really often hit by this bug when plotting time series
with serial dates on the time-axis. It will inevitably occur when you plot
recent timestamped data with better than minute resolution or so. I had
provided a striking example in bug #32980.

So I suggest to include this specific issue in the documentation, together
with the simple proposed workaround to subtract datenum(2000,0,0) from the
date values, because luckily our calendar repeats every 2000 years. Month,
days and even weekdays stay correct this way. 

The only minor issue then is that dateticklabels may state the year as "0020".
Perhaps the routines to automatically label the date axis could be temporally
modified to leave out the century digits if they equal to "00"?

And of course you have to keep in mind the offset in callbacks...


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