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Is there a way to get antialiased output on cryptomatte? enter image description here

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  • $\begingroup$ The output of cryptomatte should be as accurate as necessary for the masking. You wouldn't actually use the picker output though, that is just a visual aid for picking the objects you would like to mask. This answer explains how cryptomatte works internally. $\endgroup$ – Robert Gützkow Jan 18 '20 at 21:53
  • $\begingroup$ @RobertGützkow what does that mean exactly.. what any other way can i save it ? $\endgroup$ – kay777 Jan 19 '20 at 20:14
  • $\begingroup$ You can save the Cryptomatte in a multi-layer OpenEXR file. The colored output that is shown in the screenshot is from the picker socket of the Cryptomatte node. This is only meant to select which objects you would like to mask, it's not the actual Cryptomatte. $\endgroup$ – Robert Gützkow Jan 19 '20 at 21:07
  • $\begingroup$ @RobertGützkow I cant get it to export correctly with EXR...any chance you got a tutorial to point me at ? I watched a bunch but still not being able to do it :S $\endgroup$ – kay777 Jan 24 '20 at 5:44
  • $\begingroup$ I've just seen you new question. The problem is that Photoshop has no support for Cryptomatte, so you would indeed need the colored picker/ID pass to differentiate between the objects. This wasn't clear in the original question. $\endgroup$ – Robert Gützkow Jan 24 '20 at 7:43
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The colored image as shown in the question is the output from the picker image of the cryptomatte node. This image is used to quickly pick an object or material from the cryptomatte data. It is not the actual matte.

After picking objects and materials the anti aliased mask will be available from the matte output of the cryptomatte node. This is answered in more detail in Cryptomatte - Clean edges

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