3d character with live footage
Hi, I am kind of new to using Maya. I have a 3d character I made in Maya and want to incorporate him with some live footage. I can have the character appear in the foreground, that is in front of everything in the video, but how can I make him appear as if he is behind something? An example may be a person walking past the 3d character and they appear in front while the 3d character is behind them. Any ideas, suggestions, or tips would be helpful. Thanks. -Willa