[Octave-bug-tracker] [bug #65421] patch fails to render if cdata is specified before geometry

[Liang Tang]

Follow-up Comment #6, bug #65421 (group octave):

I just need a short time to find out if the crash is data specific or patch
related.  It appears to be, somehow, data size related.  Two ofig files
attached.  The geometric data is a modified version of a public domain mesh. 
https://github.com/otvam/fem_mesh_matlab. A plot with one sphere works great. 
 I duplicate the last sphere in the link arbitrarily to produce the crash. 
Both ofigs are generated with 8.2.0 win10 64x.  No crash is from
'FaceVertexCData', no cdata.  Other than the patch specification, I am not
aware of any differences between the two.  

I have two Octave versions, 8.2 and 8.4 win10 64x.  

(1) no_crash means no crash.  It does not mean figure gui plot toolbox is
acting normally.  

(2) Crash means the ofig causes Octave gui 8.2.0 with software rendering and
8.4.0 hardware rendering to crash.  For 8.2, load the file and then click any
plot toolbox.  For 8.4, it did not complete load-and-display.  

(3) Originally, after the plot is generated, 8.2.0 gui would crash when the
plot toolbox is being used.  It took just few rotations, for me, to cause the
issue. For a larger data, even a mouse click on any point on the figure would
cause the issue.        

(file #55795)

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File name: sphere.zip                     Size:349 KB
    <https://file.savannah.gnu.org/file/sphere.zip?file_id=55795>


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