Rendering lower fields errors

#1

Hi!,
Im rendering an AE project with lower fields first and getting errors on the final movie such us overlaped layers (shows layers that are below and should no be shown), change color/luminosity from one frame to another (as if have for example an adjustment layer and suddently the layer finishes out, wich is not)
the AEproj includes a movie ntsc, lower fiedls. and Im exporting NTSC QT animation lower fields 16 bits. After fx CS 4
I have tryed to export the movie with no fields and works fine.
I really dont know what to do about it.
Any ideas?
thanks a lot
Celeste

#2

Well, most likely this is perfectly normal. You are simply not seeing these things while editing the project because AE doesn’t allow to preview fields separately and then when rendering, AE mathematically correct calculates some values for those half frames based on your keyframe settings. As a workaround, double the comp framerate while leaving any source footage interpretation at the original frame rate with fields set to off. Then for final rendering simply drop the comp in a render comp with the correct target framerate…

Mylenium

#3

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