[Image-SIG] Problem with psd and Alpha
fredrik at pythonware.com
Tue Nov 9 14:55:57 CET 2010
On Thu, Aug 5, 2010 at 10:42 AM, Martino Massalini
<massalinimartino at gmail.com> wrote:
> Hi, i'm tryng to composite several psd coming from my render software.
> Each one is a psd with the same size of the others and an alpha channel.
> The problem is when i do
> im = Image.open("filepath")
> I alway get a "RGB" image instead of "RGBA" so i can't use the alpha channel
> as mask when i compose the image.
> Here some snippet:
>>>> im = Image.open("prova0000.psd")
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/Library/Python/2.5/site-packages/PIL/Image.py", line 1497, in split
> if self.im.bands == 1:
> AttributeError: 'NoneType' object has no attribute 'bands'
This is a bug in PIL 1.1.7 that affects all file formats; fix here:
> <PixelAccess object at 0x52160>
> '<ImagingCore object at 0x520f0>'
> (<Image.Image image mode=L size=146x90 at 0x42C7B0>, <Image.Image image
> mode=L size=146x90 at 0x42C828>, <Image.Image image mode=L size=146x90 at
I think the problem here is that the PSD format stores the alpha in a
separate layer, that's not recognized by the PSD loader.
If you mail me a sample image, I can check if there's an easy fix for
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