[Image-SIG] Array to Image transformations

[Joao S. O. Bueno]

On Thu 21 Feb 2008 05:47:22 Sahar Vilan wrote:
> Can anyone help me with transformation from numpy array to image (at PIL
> library)?
> I want to change an array (at numpy) into an image (at Image) in order to
> rotate the image and save it in standard image format.
>
> Tahnks,
> Sahar Vilan
>
>

Hi...

Sorry for the long delay.
These convertions in python among data and image representation indeed require 
some experimentation.  

(In my todo list, wiht low priority, I have a python module that would 
seamlessly translate image data across various image handling 
bindings/ibraries and numerical types).

Fortunatey, in this case it is rather simple:

For numpy.array -> python image, you do something like:

a = numpy.array ("\x0"  (WIDTH  * HEIGHT  * 3), "B")
#code to create imag data inside array
# (...)
i  = Image.new("RGB", (WIDTH, HEIGHT))

i.fromstring(a.tostring())
i.save(filename)


	js
	-><-

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