From help-octave-request at bevo dot che dot wisc dot edu  Thu Feb  1 10:08:02 2001
Subject: Re: plotting in 3D
From: courtois at ensia dot inra dot fr
To: etienne at isr dot ist dot utl dot pt
cc: help-octave at bevo dot che dot wisc dot edu
Date: Thu, 1 Feb 2001 17:04:29 +0100 (CET)

On  1 Feb, Etienne Grossmann wrote:
> 
>   Hello,
> 
> From: courtois at ensia dot inra dot fr
> #  Hi
> #
> #  I don't understand how to plot in 3d a matrix (30 x 3). I read
> #  sombrero.m but in my case the mesh is partial, and the "gset
> #  parametrics" is ununderstandable.
> #
> #  any help ?
> 
>   What about :
> 
> octave:361> [x, y] = meshgrid (linspace (-10,10,30),linspace (-10,10,30));
> octave:362> z = sin (x) + y.^2/100;
> octave:363> mesh (x, y, z)

the problem is that I have already x y z in a matrix. So I don't have a
complete mesh. I have difficulties to explain myself in english. In fact
x y z (in matrix A) is partial experimental design with results in
column z

>   I have written a 'vmesh (x,y,z)' function that launches a VRML
> browser and lets you examine your surface. No axes or tics, though;
> also, you need to have the browser installed.
> 
> 
>    Cheers,
> 
> 
>    Etienne

-- 

Francis

 =========================================================================
 Dr. Francis COURTOIS               I  ENSIA - INRA
                                    I  1, avenue des Olympiades
 Food Process Control Lab.          I  91744 MASSY Cedex
 Food Engineering Department        I  FRANCE
 -----------------------------------I  Tel : (+33) (0) 1 69 93 51 29
 mailto:courtois at ensia dot inra dot fr      I  Fax : (+33) (0) 1 69 93 51 85
 http://ensia.inra.fr/~courtois     I  Cell: (+33) (0) 6 84 13 73 92
==========================================================================



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