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Re: [OctDev] Java/OpenGL-based graphics package for octave


From: Michael Goffioul
Subject: Re: [OctDev] Java/OpenGL-based graphics package for octave
Date: Wed, 25 Apr 2007 21:35:22 +0200

On 4/25/07, John W. Eaton <address@hidden> wrote:
On 25-Apr-2007, Michael Goffioul wrote:

| In Matlab, you can actually make a difference, because a line and
| a baseline are objects from 2 different classes. A baseline is actually
| an object of class "specgraph.baseline". So you can distinct it with
| "isa". When dealing only with properties, the difference is harder to
| make.

Can you give an example of how this is done?  For me, given

 hs = stem (1:3);
 hb = get (hs, 'baseline');

Then

 class (hb)

returns 'double'.

You have to get the object associated with the handle. There's a function
to do that, but I don't remember it (I don't have Matlab under the hand right
now). This is low-level and I don't think this is part of the official
Matlab API.

Michael.


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