Re: OT: visualizing 3D data

[Henry F. Mollet]

Sometimes contour plots are just as good as 3-d plots and they are a lot
faster (on octave 2.1.46/gnuplot 3.81).
Try 
x = randn(25,50);
contour (x)
Or directly 
contour ( randn(25,50) )
Henry


on 7/1/05 7:19 AM, Robert A. Macy at address@hidden wrote:

> Jeff,
> 
> If it's a surface you're displaying, gsplot works well and
> is fast for interactive display.
> 
>>> gsplot  data
> ...if data is real values of x and y dimensions you get a
> surface plot that you can move around with your mouse to
> examine the structure.
> 
> try
>>> x = randn(25,50);
>>> gsplot x;
> 
> if data is a set of values in x,y,z I have no idea.
> 
>                   - Robert -
> 
> On Fri, 1 Jul 2005 07:00:43 -0400
>  Jeff Abrahamson <address@hidden> wrote:
>> I am using octave to analyze data related to 3D surfaces.
>>  The results
>> are sets of points on those surfaces.  I would like to
>> visualize my
>> results.
>> 
>> I've thought of using povray to draw lots of little balls
>> whose
>> aggregate would look like a point cloud on a surface.
>>  This should
>> work, but maybe is the hard way.
>> 
>> Anyone have any other suggestions of routes I should
>> explore?
>> 
>> Thanks much.
>> 
>> -- 
>>  Jeff
>> 
>>  Jeff Abrahamson  <http://www.purple.com/jeff/>    +1
>> 215/837-2287
>>  GPG fingerprint: 1A1A BA95 D082 A558 A276  63C6 16BF
>> 8C4C 0D1D AE4B
>> 
>> ** NOTE ** Please use this temporary address
>>    (address@hidden) until mid-July.  All
>> mail sent to
>>    address@hidden and address@hidden will be
>> received and queued
>>    for me, but I don't have easy access until mid-July.
>> 
>>    This address will go away in late July.  Krypton's
>> mail server will
>>    shut down a few weeks later.
>> 
> 
> 
> 
> -------------------------------------------------------------
> 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
> -------------------------------------------------------------
> 




-------------------------------------------------------------
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
-------------------------------------------------------------