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[Octave-bug-tracker] [bug #53381] 3D surface plots generated with gnuplo


From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #53381] 3D surface plots generated with gnuplot are very small in comparison to FLTK
Date: Wed, 28 Mar 2018 16:50:53 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #2, bug #53381 (project octave):

OK, your report is not the same issue as Bug #53504.  I think what you are
concerned with is a characteristic of gnuplot that it's rotation in 3D space
does not change with view.  It sort of picks the scaling for what the maximum
x/y width are for any projection from 3D to 2D then maintains that scaling as
the rotation changes.  OpenGL may be a bit different in its approach.  Let me
think if there is a way to address this in the Octave plotting code.

Generally, neither of the two results you show are perfect.  The FLTK result
seems rather large and overlaps the x-label, y-label and title.  If possible,
you might want to project your data/view algorithmically then use conventional
2D plot.  That would avoid the whole 3D rotation view.  Or, another approach
might be to generate the views individually with tight borders rather than as
subplots and have a secondary word-processing package do the layout.

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