Re: OT: visualizing 3D data

[Robert A. Macy]

Henry,

Thank you for allerting me to contour.  Have never seen it
before.  But...

After running contour, can't run gsplot without shutting
down...

May have been a bug, but doesn't matter 'cause I'm using
old stuff.  octave 2.1.50a-inst.exe binary

         - Robert -

On Fri, 01 Jul 2005 09:20:56 -0700
 "Henry F. Mollet" <address@hidden> wrote:
> 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.
> >> 



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