Where is "colororder" defined?

[Ben Abbott]

On Thursday, October 02, 2008, at 04:29AM, "Samarkand" <samarkand99-pc at yahoo.co.uk> wrote:
>
>When trying to use the plot command in Octave I get the following error:
>
>warning: get: invalid property `colororder'
>error: value on right hand side of assignment is undefined
>error: evaluating assignment expression near line 33, column 22
>error: evaluating if command near line 32, column 5
>error: evaluating if command near line 31, column 3
>error: called from `__next_line_color__' in file
>`/usr/share/octave/3.0.0/m/plot/__next_line_color__.m'
>error: evaluating if command near line 27, column 3
>error: called from `newplot' in file
>`/usr/share/octave/3.0.0/m/plot/newplot.m'
>error: called from `plot' in file `/usr/share/octave/3.0.0/m/plot/plot.m'
>
>Octave 3.0.0 (same with 3.0.2 rc2 etc)
>gnuplot 4.2.2-1
>O/S is Fedora 8 
>
>
>The only way to get this to work is to start octave from the:
>/usr/local/share/octave/3.0.3/m/plot/ directory. In that case it works fine.
>Starting it from any other directory causes the above failure.
>
>Can anyone please tell me how/where colororder is defined and set up? It is
>declared an invalid property
>if I start octave from any other directory! 
>
>Any ideas as to what I might do/try?
>
>Many thanks

The error indicates you are running the m-files for version 3.0.0. 

Running either 3.0.2 (released version) or the developers sources, this functionality works for me.

octave-3.1.51+:1> plot([1 2])
octave-3.1.51+:2> get(gca,'colororder')
ans =

   0.00000   0.00000   1.00000
   0.00000   0.50000   0.00000
   1.00000   0.00000   0.00000
   0.00000   0.75000   0.75000
   0.75000   0.00000   0.75000
   0.75000   0.75000   0.00000
   0.25000   0.25000   0.25000

Ben