Zachary Pincus wrote:

>  Thus far, it seems like the way to get instances of ndarray  
>  subclasses is to use the 'view(subclass)' method on a proper ndarray,  
>  either in the subclass __new__, or after constructing the array.
> 
>  However, subclass instances so created *do not own their own data*,  
>  as far as I can tell. They are just "views" on an other array's data.  
>  This means that these objects can't be resized, or have other  
>  operations performed on them which requires 'owning' the data buffer.

Yes, that is true.   To own your own data your subclass would have to 
create it's own memory using

ndarray.__new__(mysubclass, shape, dtype)

Or make a copy as you suggested later.

-Travis



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