[Numpy-discussion] How to change the dtype of a structured or record array

Bruce Southey bsouthey@gmail....
Tue Sep 15 08:03:55 CDT 2009


On 09/15/2009 07:46 AM, Stéfan van der Walt wrote:
> Hi Bruce
>
> 2009/9/14 Bruce Southey<bsouthey@gmail.com>:
>    
>> I would like to change the dtype of just one field of a structured or
>> record array without copying the original array. I can not change the
>> creation of the original array because it was created using genfromtxt.
>>      
> You can't do that, unfortunately.  You can view the array using any
> dtype of the same length as the old one, but you can't modify the
> length of single elements without re-allocation.
>
> Regards
> Stéfan
>    
Thanks!

Bruce


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