Hi everybody,
I was hired to make a projection mapping on a not very complex building facade. Since I also have to produce the content in After Effects (and create masks for windows, doors, and decorations) I have a doubt on how to proceed for this specific situation.
In the past I always projected on quite small objects and usually had the projector aligned to the viewer's point of view and took the reference picture from there.
Now, for various reasons, the projector will be placed with the lens center aligned to the top of the facade. The projector has lens shift and I will use it but it's likely that I will have to slightly distort as well.
What's the best way to take the photo for content production? From the projector point of view (that is from top to bottom, then distorted) or - as I guess - from the viewer's point of view - which is more "flat" - and then correct the eventual distortion in mad mapper rather than producing distorted content?
Thanks for any advice.