Any help would be appreciated. I have read the manual a few times on this and seem to have hit a wall. I simply want snow to accumulate on top of 3d text. Could you please point me in the right direction. Thank you so much for your time and support.
I haven't tried this with Red4 yet :-( But with Red 3 it is quite easy.
Create your 3d text. Duplicte this layer. Add the snow filter to one of the text layers. In the controls window of the snow filter go to the interaction tab and select the accumulate on interaction track option.
Now in the timeline twirl down completely the snow track to reveal an interaction track, it will be set to V1. Twirl this track down, and close the eyeball ofr media (it is next to V1), now drag the duplicate of your 3d text onto the interaction track and voil