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why do transitions lose alpha outside compound?

PostPosted: Sun Nov 22, 2020 11:39 am
by Rick van den Berg
in the edit page,
step 1: add content to timeline on video track 1
step 2: add content to timeline on video track 2, on top of the clip on track 1
step 3: add push transition to the clip on track 2

so far so good, you can see the video pushing in, over the content on video track 1.

step 4: make compound clip of the clip with push transition on video track 2

now you will see that on the place of the push transition, there is no alpha and the compound clip outputs black instead and as far as i know there is no way of changing this.

as this is something that has been happening ever since day 1 of BMD resolve, i assume this is intended behaviour. but what is the reason for this, and for which workflow is this handy?

Re: why do transitions lose alpha outside compound?

PostPosted: Sun Nov 22, 2020 4:43 pm
by Jim Simon
Things changed with Alpha in version 17. May be worth testing.

Re: why do transitions lose alpha outside compound?

PostPosted: Thu Nov 26, 2020 8:37 am
by Rick van den Berg
no difference in 17