[Octave-bug-tracker] [bug #65431] crash after hgload certain data

[Nicholas Jankowski]

Follow-up Comment #2, bug #65431 (group octave):

I'm hoping Liang Tang can provide the commands he used to create the figures
that are causing the crash.  

from the other bug report, it seems it stems from calling patch using
Faces/Vertices form and using CData to specify colors (rather than specifying
the FaceVertexCData property, which if i read correctly I think is stored in
fvc, or by using the x/y/zdata form which CData is designed to be used with). 
How patch manipulates one property when you manipulate the other is sometimes
odd, especially when you mix the calling forms. Apparently it's creating fvc
and the index separately and the calculations go awry. 

if this is correct, then the easy workaround is to avoid mixing the
x/y/z/Cdata and Face/Vertices/FaceVertexCdata forms, but it seems matlab
allows you to do so.  it may be that with some compatibility testing would
tease out what should be happening with those properties and where we might be
going wrong.


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