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From what I can see, you can't set the color-space of ArriRaw files in AME. In a quick test, it seems to output LogC though, which is what you want. The main problem is that After Effects doesn't ship with a LogC ICC profile, which means that After Effects can't linerize the logC dpx correctly. To solve this, you have two options, both involve the OpenColorIO plug-in from fnord (Brendan Bolles). 1 - Use OpenColorIO in you project (prefered) - Leave the interpret footage as default (project working space). - Drop the footage in a new composition and apply the OpenColorIO with Nuke settings. Set input colorspace to AlexaV3LogC and output to linear. Use this comp as your source as you work.
- You have now linearized your footage and After Effects color management works (display simulation etc). 2 - Convert to Cineon - If you don't want to use OpenColorIO in your main project (for reasons I can't think of), you must convert the LogC files to a colorspace that After Effects can handle (for example a Cineon log curve).
- Start a new project, set it to 32bpc (16-bit should work as well), and no color management. - Apply OpenColorIO with Nuke settings, and set input colorspace to AlexaV3LogC and output to Cineon.
- Render new dpx sequence. - Import new sequence into your main project, leave them main interpret settings at default, but in the Cineon settings, adjust the preset to Over Range, adjust gamma to 1, and set units to decimal.
- You have now linearized your footage and After Effects color management works (display simulation etc). To sum up, After Effects color handling definitely needs an update. Cheers! 2013/11/27 Erik Hansen <eahansen@gmail.com>
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