[Octave-bug-tracker] [bug #53373] Inaccurate printout of grids in 3D view

[Pantxo Diribarne]

Update of bug #53373 (project octave):

                Category:                Plotting => Plotting with OpenGL   
                  Status:                    None => Confirmed              
                 Release:                   4.2.1 => dev                    
                 Summary: Mesh grids and axis and grids behave unexpected =>
Inaccurate printout of grids in 3D view

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Follow-up Comment #1:

I can confirm, except that plot3 doesn't give perfect results either. The bug
is also present in default (upcoming Octave 4.4). 

It turns out there are two issues: 
* the Y axis looking thinner is due the back plane being drawn above the line
(incorrect depth sorting in gl2ps). You can workaround this using the
following:


set (gcf, "inverhardcopy", "off")
set (gca, "color", "none")
...


* the ugly dashed grid lines look like another manifestation of bug #53229.
gl2ps randomly splits lines (for depth sorting I guess) and the dash pattern
is restarted for each line segment.

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