[Octave-bug-tracker] [bug #47974] Visual differences between gnuplot and OpenGL toolkits

[Rik]

Follow-up Comment #75, bug #47974 (project octave):

Item 1 : See Matlab documentation for
https://www.mathworks.com/help/matlab/ref/chartline-properties.html#property_MarkerEdgeColor.
 At least for lines, "auto" means use the "Color" property.  I tested and your
patch already works as expected.  The documentation for MarkerFaceColor and
"auto" seems wrong.  I would ignore it.  With your patch gnuplot replicates
what the qt and fltk toolkits are doing so I think that is good enough. 
Octave itself will have consistency across the three toolkits.

Item 2 : I can only test back to 4.6.6, but it works for me there.  Go ahead
and open up a specific bug report for gnuplot 4.4 weirdness.

I pushed your patch here
(http://hg.savannah.gnu.org/hgweb/octave/rev/bcd2630c14f3) because it does
seem to be a vast improvement.

One bug I still encounter is shown by the following code.


close all
graphics_toolkit gnuplot
h = plot (1:10, "o--b");
set (h, "markerfacecolor", "y")
          line 0: Not enough columns for variable color


And the resulting plot is blank.


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