debugging graphics

[Marco Atzeri]

On Cygwin and octave 4.4.x both the fltk and qt graphic interface
are useless as there is a mismatch between the data and the plot
windows. The upper portion and the right portion of the data are
missing in the plot. See attached for clarification
In addition both interface seem unresponsive after the plot

Moreover for both, the print operation freezes octave
after a GL2PS warning.

print -djpg figure-fltk.jpg
GL2PS warning: Unknown token in buffer

Question: how I can debug this ?

I would like to clean this problem before 5.0 release

It is of course possible that the problem
is in the X system or relevan libraries or in my new laptop graphic.

Regards
Marco




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octave-p-fltk.png
Description: PNG image

octave-p-qt.png
Description: PNG image

figure-gnuplot.jpg
Description: JPEG image