[SciPy-user] New named fields in scipy core --- possible uses in color images
Travis Oliphant
oliphant at ee.byu.edu
Thu Dec 15 19:03:38 EST 2005
Gary Ruben wrote:
>I think this named record feature will be quite popular. I was expecting
>that fields would be accessed using a syntax like image.r image.g etc.
>However, using strings as Travis has done suggests other possibilities
>for accessing slices such as image['rgb'] or image['r','g','b'] and
>perhaps image['g','b','r']. Just putting this out to see if it's a good
>idea,
>
>
The recarray subclass implements attribute access so that you could
access the fields as
image.r
image.g
image.b
and so forth. But, such records are always subclasses of the void
data-type. Thus, you couldn't do math with them as a whole (you can do
math with the fields though).
-Travis
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