Re: [Octave-bug-tracker] [bug #39585] plot3 ignores setting color through linespec

[Michael D. Godfrey]

On 07/27/2013 11:58 PM, anonymous wrote:
> Details:
>
> On my machine, the first time I use plot3 on a figure, the line will be red.
> If I then do "hold on" and use plot3 again, the next line will be blue. Next
> call gives light blue. The 4'th call gives yellow. Subsequent calls repeat
> this sequence. If I try to set the line color by passing '-b', '-r', '-g',
> etc. these options are ignored. Colors work as expected in 2D plots.
>
> Run the following to reproduce this behavior:
>
> figure
> plot3([0,1],[0,1],[0,1],'-b','linewidth',3);
> hold on
> plot3([1,0.5],[0,1],[0.5,0.5],'-b','linewidth',3);
> plot3([0,-1],[0.8,-1],[-0.3,-1],'-b','linewidth',3);
>
> Plot more lines, if desired and you should see the colors cycle.
I just tried this on the current Octave devel system.
Using Gnuplot the colors are as you reported.

But, using fltk they are correct.

So, you might try:
graphics_toolkit('fltk')

and then your sequence above.

Michael