PIL with numpy support!

Charles R Harris charlesr.harris at gmail.com
Tue Oct 10 12:26:01 CDT 2006


On 10/10/06, Christopher Barker <Chris.Barker at noaa.gov> wrote:
>
> Hi all:
>
> Fredrik Lundh wrote:
> > A little later that planned, but PIL 1.1.6 beta 2 is now available from
> SVN:
> >
> >      http://svn.effbot.python-hosting.com/tags/pil-1.1.6b2/
> >
> > A tarball will appear on effbot.org shortly:
> >
> >      http://effbot.org/downloads/#Imaging
> >
> > As usual, PIL 1.1.6 supports all Python versions from 1.5.2 and onwards,
> > including 2.5.
> >
> > For a hopefully complete list of changes, see:
> >
> >    http://effbot.org/zone/pil-changes-116.htm
>
> From there:
>
> """
> * Added "fromarray" function, which takes an object implementing the
> NumPy array interface and creates a PIL Image from it. (from Travis
> Oliphant).
>
> * Added NumPy array interface support (__array_interface__) to the Image
> class (based on code by Travis Oliphant). This allows you to easily
> convert between PIL image memories and NumPy arrays:
> import numpy, Image
>
> i = Image.open('lena.jpg')
> a = numpy.asarray(i) # a is readonly
> i = Image.fromarray(a)
> """


Fromarray wasn't there for me running latest PIL from svn last week. I had
to use another function whose name escapes me at the moment (I don't use PIL
very often), but yes, there is a way to use numpy arrays in PIL.

Chuck
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