In a progressive project, you are going to render out a progressive frame. In other words, field one and field two should be from the same point in time.
What happens when you slow a shot down, or speed it up and it doesn't work out to full even frames? Sooner or later, you end up with a field from one frame and a field from another, or you have jerky motion. The duplicate fields, both fields etc are important in those instances.
Fluidmotion (I believe) looks at both fields in the frame as one in Progressive projects. In interlaced projects it looks at each field individually.
--- In Avid-L2@yahoogroups.com, Benjamin Hershleder <Ben@...> wrote:
>
>
>
> I looked for some written discussion on this topic, but didn't find any right away, so...
> I'm checking my logic with the brains of the L2 regarding rendering motion effects & Timewarps in a Progressive project.
>
> 1- True or False:
> In a progressive project, the selections for Both, Duplicated, Interpolated,
> VTR-Style, Blended Interp, and Blended VTR are there *only* in the event
> that you have brought in some interlaced footage.
>
> 2- True or False:
> The field-based rendering methods listed above have no affect on progressive footage,
> so you could select any of them and get the same result.
>
> 3- True or False:
> Fluid Motion works the same on progressive footage as it does on interlaced (creating motion vectors and doing pixel prediction).
>
> TIA!
>
> Cheers,
>
> Benjamin
> ---
> Benjamin Hershleder
> http://ContactBen.com
> http://Hershleder.com
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