I'm a complete beginner with Adobe After Effects and would like to adapt a projection mapping directly to my model. I would just like to connect the work surface to the projector and still work on my laptop at the same time. So, so to speak, use the projector as an output for After Effects. Could someone help me?
You have to set the "Video Preview". Since the projector is your second screen on the computer, you have to activate it there.
Otherwise you need a video output hardware, such as. B. By Blackmagicdesign,
https://community.adobe.com/t5/after-effects/toggle-full-screen-after-effects/td-p/9494971
https://www.blackmagicdesign.com/de/products/decklink/techspecs/W-DLK-05
