open, show, png, blank

Nelson Tong <[email protected]> Fri, 27 Jan 2012 11:11:31 -0500

Newsgroups	gmane.comp.python.image
Message-ID	<CAK+C3jdDmzifM1bkc_nK0kc2EE8ScTpejG+3nM8En8rwDBnd_Q@mail.gmail.com>

Hi all,

I tried the following to process a png file,

 outI = Image.open( fileOutPNGFile )
 outI.show();

The code run without error, but the image return via X-windows  on my
linux machine is a blank image, without visible graphic on it.

I am 100% positive that the image of fileOutPNGFile is not corrupted
because I am able to open it via the web-browser.

I tried the same code another to open  another png file which I use
PIL to draw and save as png.   The code above is able to open and show
this png file properly.

why might this happen?
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