Re: changing the color of curves continuously

[Julien.Tailleur]

On Wed, 27 Jul 2005, Quentin Spencer wrote:

> So, you want to specify the line color using an exact RGB value? I looked at 
> doing this once, and I think gnuplot doesn't have this capability. If you 
> read the man page for gnuplot, it says you can change the default colors by 
> setting the X resources at startup using a .gnuplot file or command-line 
> switches with things like this:
> gnuplot*line1Color: red

Exactly, I'm really surprised that such a powerful tool as gnuplot does 
not allow you to change the color of the plot you make!

> The problem is I think it still only recognizes 8 colors. There is a 
> "palette" line style in 3-D mode, but I don't know if it would help you. For 
> an example, go into gnuplot and try the command:
> splot x*x with line palette

I had a look at this, but it seems only too work with surface, and not 
with 3 rows datafiles (i could add one row with my parameter as a third 
coordinate)

> I'd really like to see the mesh function switch to using this line 
> style--it's closer to what Matlab does. For a 2-D plot with more control over 
> line colors, I think you may need to look at some of the alternate graphics 
> modules that others have proposed.
>
> -Quentin

Thanks!

Julien



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------