[Octave-bug-tracker] [bug #35321] invalid handle for legend after using plotyy

[Ben Abbott]

Update of bug #35321 (project octave):

                  Status:                    None => Confirmed              

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Follow-up Comment #1:

I did some isolating. It appears that the 1st plotyy axes object is being
deleted by a call to __go_axes_init__(ax(2)), which is a built-in function.

Running the script below,


close all
clear all
x = 0:0.1:10;
y = sin (x);
ax = plotyy (x, y, x-1, y+1);
set (ax(1), "deletefcn", @(x,y) disp("*** Deleting 1st plotyy axes ***"));
__go_axes_init__ (ax(2))


Initializing ax(2) results in ax(1) being deleted.


*** Deleting 1st plotyy axes ***
error: invalid conversion from real matrix to real scalar
error: __calc_dimensions__: expecting graphics handle as only argument
error: called from:
error:  
/Users/bpabbott/Development/mercurial/default/scripts/plot/private/__go_draw_axes__.m
at line 55, column 8
error:  
/Users/bpabbott/Development/mercurial/default/scripts/plot/private/__go_draw_figure__.m
at line 167, column 19
error:  
/Users/bpabbott/Development/mercurial/default/scripts/plot/__gnuplot_drawnow__.m
at line 86, column 5


I'll have to rebuild with optimization off to make it easier to debug what is
happening. I'll report back later.


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