[Octave-bug-tracker] [bug #31305] slow contour plot

[Ben Abbott]

Follow-up Comment #16, bug #31305 (project octave):

The color looks great for smooth surfaces. However ...

octave:1> contour (rand (5))
error: add_patch_children: A(I): index out of bounds; value 1 out of bound 0
error: called from:
error:  
/Users/bpabbott/Development/mercurial/local_clone/scripts/plot/private/__contour__.m
at line 292, column 23
error:  
/Users/bpabbott/Development/mercurial/local_clone/scripts/plot/private/__contour__.m
at line 212, column 3
error:  
/Users/bpabbott/Development/mercurial/local_clone/scripts/plot/contour.m at
line 62, column 19

I can't claim to understand how this function works, but I made a feeble
attempt to fix it. The result works for me.

I also added "axis tight". I think this is the right thing to do. Matlab's
contours have both xlimmode and ylimmode set to "manual" after a contour is
rendered.


(file #21762)
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Additional Item Attachment:

File name: contour_fix2.patch             Size:7 KB


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