Can i render reflection layer with alpha BG?

[naughtypoy]

Hi, Guys. I have a question.

Is there a way to render reflection catcher with alpha BG in render layer? Because currently what i got is the render layer will render the reflection on the floor as a separate passes call layer reflection, which is the reflection with a black BG. The problem is when i comp in the reflection in After Effect, I change the blending mode to Scree/Add to get rid of the black BG. But it will also make the black color part of my object disappear. Which is not what i want.
Is there any workaround for this kind of situation?

Thanks.

[bepeg4d]

We are already discussing this issue in this pther discussion in the general section:
viewtopic.php?f=9&t=63839
please, avoid cross posting, thanks.
ciao beppe

[naughtypoy]

Sorry, its my bad.