Re: Reading RGBA pixel values from image on disk
Re: Reading RGBA pixel values from image on disk
- Subject: Re: Reading RGBA pixel values from image on disk
- From: Chris Ridd <email@hidden>
- Date: Thu, 10 Mar 2011 17:30:26 +0000
On 10 Mar 2011, at 17:25, Leonardo wrote:
> Hi Quincey,
> if I re-open the same TIF file with Photoshop, I can quite see the
> half-a-transparent pixels. So, it seems that the alpha information has been
> properly saved within the TIF file. I would like to know how to manage a
> file like this and retrieve the transparency (alpha) of those pixels.
>
> I can send you this TIF file, if you agree. It's only 42KB.
Have you looked at the file with the commandline libtiff tools eg tiffdump?
Chris
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