• Maxon Cinema 4D

  Depth of Field and Alpha Channel

  Posted by Jason Connolly on February 23, 2007 at 10:52 pm

  Hi, folks-

  I’ve researched the posts here regarding my problem and I just want to make sure I have this right.

  I have a scene with several objects spinning on a floor. I apply DOF, and it looks great in C4D, however, when I bring that Targa sequence in After Effects for compositing, the alpha channel has hard edges and doesn’t follow the DOF blurring at all. Is this true that this is a limitation in C4D??

  Thanks!
  Jason

  Philip Hahn replied 13 years, 10 months ago 4 Members · 4 Replies
• 4 Replies

• 

  Mylenium

  February 24, 2007 at 3:59 pm

  [Jason Connolly] “Is this true that this is a limitation in C4D??”

  Yes, it is.

  Mylenium

  [Pour Myl
• 

  Jason Connolly

  February 24, 2007 at 4:20 pm

  Rats! Thanks, Mylenium.

  –Jason
• 

  Greg Serafin

  February 26, 2007 at 11:28 pm

  Won’t go to all the details as I don’t remember 100% what I did, but…
  Output the DOF to separate image sequence, and use it to blur the ALPHA image sequence.
  Load the edited ALPHA – and you are done!

  IQ0
• 

  Philip Hahn

  September 11, 2012 at 12:22 pm

  However, only using “rear blur” will work with correct display of the alpha channel. Sometimes this will meet the desired effect.

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