adding an attribute to an nd-array

[Travis Oliphant]

Christopher Barker wrote:

>Travis Oliphant wrote:
>  
>
>>Actually something as simple as
>>
>>class InfoArray(N.ndarray):
>>         pass
>>
>>will allow you to add attributes to InfoArray.
>>    
>>
>
>Well, sure, but how the heck do you initialize it?
>  
>
You use the same constructor as ndarray has. 

numpy.info(numpy.ndarray)

If you want an array-like function that produces the array, you do

array(obj).view(InfoArray)

or wrap that up in your own function.


There are many over-lapping ways to construct ndarray's.   You can use 
all of these ways to construct instances of your own type by getting the 
ndarray and using the .view() method.


-Travis




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