Layers disappear upon camera movement

Hawk Teflon

Veteran
I have a shot of some arrows coming out of a vector image of the US. The arrows are video files from digital juice. I took the last frames of those arrows, and turned them into still frames so they would stay there through time. But 4 seconds or so later, when the camera dollies in, they disappear. It's like they aren't even there anymore. They should still be in the shot, and the camera should be pushing through them. Have you seen this before? I can take some screen shots, but I don't know how much that will help.

Frustrated. It's been a long day.
 
Do they disappear during the dolly move or before it? If it's during the move, they could simply be beyond the visible range of the camera. Basically too close.
 
layer order? & do the stills of the video arrows have alpha channel (RGBA)?

length of layer? did you extend them far enough ?
 
3d switch for the layer(s) enabled?

Can you move it around (the layer(s) with the still arrows) just to see if it affects the camera visibility ?

Switch views , (e.g. like a custom view, or top view) and see if the camera is actually catching the arrows

Maybe a screenshot of before & after will help ?
 
I'll SS when I get back to work tomorrow.

Yep, 3d layers active, seems fine on different views ... maybe a good nights sleep with help.
 
It may have to do with the fact that you made them still frames. I am sure you already did but make sure that the still frame layer is long enough for the sequence of the dolly. also try making the arrows their own comp.
 
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