Film cross dissolves

Bug #811973 reported by Jason Gerard DeRose
This bug affects 2 people
Affects Status Importance Assigned to Milestone

Bug Description

Big thanks to Michael Todd ( for this feedback:

(09:19:32 AM) ichi_: stay away from stupid effects and "creative" transitions
(09:19:39 AM) ichi_: nobody, professionally, ever uses those
(09:19:39 AM) akshatj: yay!
(09:19:53 AM) akshatj: that is what the plan is
(09:19:58 AM) ichi_: all you need are cuts and film dissolves
(09:20:04 AM) ichi_: and I don't mean opacity changes
(09:20:58 AM) akshatj: you mean we need opacity changes or not?
(09:21:33 AM) ichi_: when doing a cross fade, a lot of people make the mistake of doing that with lowering the opacity of one clip over another
(09:21:44 AM) ichi_: then physically, a film dissolve doesn't work like that
(09:21:51 AM) ichi_: because that's now how light works
(09:22:06 AM) ichi_: not*

Revision history for this message
johnprattchristian (johnprattchristian) wrote :

how DOES a cross dissolve really work then? haha

Revision history for this message
Jason Gerard DeRose (jderose) wrote :


So in a nutshell you animate the exposure rather than transparency.

I believe algorithmically you can see what this would look like by adding layers in GIMP and setting the mode to Addition.

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