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Re: Multiple mesh plot with a correct legend


From: Ben Abbott
Subject: Re: Multiple mesh plot with a correct legend
Date: Mon, 11 Aug 2008 06:50:43 -0400


On Aug 11, 2008, at 1:54 AM, Xandri Farr wrote:
-----Original Message-----
From: Ben Abbott [mailto:address@hidden
Sent: 08 August 2008 02:50 PM
To: Xandri Farr
Cc: address@hidden
Subject: Re: Multiple mesh plot with a correct legend


On Aug 8, 2008, at 2:31 AM, Xandri Farr wrote:

Hi there

Please forgive me for re-sending this e-mail. In the haste of
sending the e-mail I forgot to add a Subject line to my e-mail.

Can somebody please assist me to plot a multiple mesh plot with a
user-defined legend.
So far the following works to plot more than one mesh plot in one
window on one axis...

  mesh(x,y,z)
  hold
  mesh(i,j,k)

However, I can not manage to add a legend that describes each mesh
and its colour.  The figure just displays
line 1, line2, etc with the colour of the mesh.

I would like to rename these "lines".

Can you tell us which version of Octave your are running?

In any event, take a look at "help colormap" ... does that do what you
need?

Ben

Hi Ben

Thank you for the response.  I'm using GNU Octave, version 2.1.73.
I had a look at "help colormap" but this as far as I understand only
manages the colour of the different plots.  The part I would really
would like to edit is the description given to each mesh/surface
drawn on the axis. Something like "help legend" provides the following:

" Legend puts a legend on the current plot using the specified strings
as labels. Use independant strings (@var{st1}, @var{st2}, @var{st3}...), a matrix of strings (@var{matstr}), or a cell array of strings (@var{cell})
 to specify legends. Legend works on line graphs, bar graphs, etc..."

I could not apply this command successfully to a multiple mesh plot.

Your help will be appreciated.

Regards
Xandri

I'm unfamiliar with 2.1.73. Octave has been under very aggressive development. The most recent release is 3.0.1 and is significantly more compatible with Matlab. I recommend you upgrade.

To label different meshes on the same plot, I recommend you use the "text" command, see "help text". This may not be available under 2.1.73 (?).

Ben


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