• Adobe After Effects

  alfa problem

  Posted by Pablo Hill on November 28, 2007 at 4:55 am

  I’m working on adrew kramers last tutorial with a few modifications. First i’m building the planet on 3d rendering and exporting the image files to after effects. My problem is with the alfa chanels, after I render the images in C4d they look like this
  
  the problem is when I open it in After effects it looks like this
  

  Darby Edelen replied 18 years, 5 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Darby Edelen

  November 28, 2007 at 5:23 am

  I’m not at all familiar with the inner-workings of the C4D/AE relationship but why are there several layers in the AE composition shown in your 2nd image? From here it looks like the same image duplicated on 12+ layers, not an image sequence… But again, I don’t know C4D.

  Other than my own confusion on that particular issue I would recommend checking the interpretation of your alpha for the image sequence. If it was rendered as straight then it should be interpreted that way, if premultiplied then it should be interpreted with the correct matte color.

  Darby Edelen
  Designer
  Left Coast Digital
  Santa Cruz, CA

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