[Octave-bug-tracker] [bug #34143] set (h, "linewidth", 0) still shows line on screen

[Rik]

Update of bug #34143 (project octave):

                Category:   Plotting with gnuplot => Plotting               
                 Summary: apparent inconsistencies / bugs in line properties
=> set (h, "linewidth", 0) still shows line on screen

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Follow-up Comment #1:

Issues 1 and 2 are due to a misunderstanding of the plot system.  To remove
lines entirely from a plot you need to set the linestyle to "none".  If you
want the individual points to have a shape then you need to set their marker
value to something besides "none".  Here is some sample code


h = plot (1:10);  # Plot simple line
set (h, "linestyle", "none");  # remove line from plot
set (h, "marker", ".");  # place small dot at each point


Use "get (h)" to see the other marker properties you can set such as color and
size.

For issue 2, try "help legend".


legend ("key label");  # Put a legend on plot with string "key label"




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