How to return a view of several columns in numpy structured array

Question

I can see several columns (fields) at once in a numpy structured array by indexing with a list of the field names, for example

import n         


        

Answer 1

Building on @HYRY's answer, you could also use ndarray's method getfield:

def fields_view(array, fields):
    return array.getfield(numpy.dtype(
        {name: array.dtype.fields[name] for name in fields}
    ))