Alpha Channels & PNG's

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mgstudio3d
Member is a Silver contributor and has 2,500 - 9,999 Photo downloadsMember is a contributor and has less than 250 Video downloadsExclusive
Posted Mon Sep 30, 2013 8:04PM

I have 2 questions:


1) Is it possible to upload PNG's as Photos instead of JPG's? Can you have an embedded Alpha channel in the PNG? I have searched and found that Istock supposedly started accepting PNG's in 2011/12 but I only see the option to upload a JPG.


2) I have noticed that some images now have the option to download the Alpha channel separately- how do I do this?


Thanks.
cmannphoto
Member is a Gold contributor and has 10,000 - 24,999 Photo downloadsExclusive
Posted Mon Sep 30, 2013 8:13PM


Posted By mgstudio3d:

I have 2 questions:


1) Is it possible to upload PNG's as Photos instead of JPG's? Can you have an embedded Alpha channel in the PNG? I have searched and found that Istock supposedly started accepting PNG's in 2011/12 but I only see the option to upload a JPG.


2) I have noticed that some images now have the option to download the Alpha channel separately- how do I do this?


Thanks.

IS dropped the PNG back in April HQ Update – April 23, 2012
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