I tracked some footage and set up the scene and it still appears when I switch to camera mode but when I render there is no background I don't know what option i have unchecked by accident. 
Asked
Active
Viewed 22 times
1
S-ten
- 31
- 1
- 3
-
You need to use the compositor to add the image using alpha over for the scene you want to overlay. – Aug 01 '16 at 02:22