Re: Nd cell array

[David Bateman]

According to Philipp.Batchelor <address@hidden> (on 03/04/04):
> Hi,
> 
> sorry, trying to reformulate, I posted to help-octave, maybe it is more 
> for this list.
> 
> I am trying to read 3d volume data using another c++ library (vtk), and 
> load it into Octave, I thought I would return a cell array,
> i.e. in an *.m file, the syntax would correspond to

Rereading your problem, why not just return a 3d arrays, which you can do
in versions of octave 2.1.51 and later..... Not, to completely rewrite
my previous example, but something like

   dim_vector dv; // Size of 3d array 
   NDArray m;

   // Probe size of array
   dv.resize (3);
   dv(0) = ...; dv(1) = ...; dv(2) = ...;

   // Resize array
   m.resize (dv);

   for (int i=0; i < dv(0); i++)
     for (int j=0; j < dv(1); j++)
       for (int k=0; k < dv(2); k++)
         m (i, j, k) = ...;

   retval = m;

> 
> for slice = 1:n
>   volume{slice} = ...% some 2d array, say a Matrix
>   ...etc
> 
> but I can't work out what the syntax in C++ would be.
> How would I create an array with say 128 elements which are each a 2D 
> Matrix, and assign to elements, (and return this cell array) in a 
> dynamically loadable C++ file?
> 
> Ph. Batchelor

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David Bateman                                address@hidden
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