[Octave-bug-tracker] [bug #30461] legend should work for lines with different parents

[David Bateman]

Update of bug #30461 (project octave):

                  Status:                    None => Fixed                  
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #23:

I just committed a changeset

http://hg.savannah.gnu.org/hgweb/octave/rev/9f080d23396f

that adds the fake axis to the gnuplot figures to handle the multi-parented
case as discussed in comment #21. The fake axis is only added in the case that
the legend is multi-parented and if it isn't the key of the existing plot is
used for the legend. In this manner the "flickering movie" bug in #31522 will
only be seen if multiple axes are in fact really used.

Note that there is an existing issue with the gnuplot backend and legends,
that is in a case like


close all; 
x=0:0.1:10; 
[ax,h1,h2] = plotyy(x, sin(x), x, cos(x)); 
[h,ho,hp] = legend('sin(x)','cos(x)');
set (h1,"markerfacecolor", [1,0,0],"markeredgecolor", [0,1,0],"marker","o")


Where the line color and marker colors are different, the gnuplot backend
only draws the line in the key. This is because gnuplot can't handle a line
with different colors for the line and marker in a single line. I don't think
there is anything that can be done about this. However, the above works fine
with the FLTK backend.

I consider this feature request fully addressed with this commit and I'm
closing this report.

D.


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