Hi Ryan,

This sounds really complex. Have you considered doing the roto on the
texture footage and projecting it onto the card along with the footage? Any
time you're rotoing through the 3D system you're begging for trouble.

Best,

-t


--
Tim BOWMAN
347.692.0839 | http://netherlogic.com
netherlo...@gmail.com

On Fri, Jan 23, 2015 at 12:47 PM, Ryan O'Phelan <designer...@gmail.com>
wrote:

> Hopefully this is an easy question.
> I'm rotoing window panes on a card in 3d (yay), which is placed in a
> tracked shot to be the window.
>
> I am looking through the 3d camera and also have the 2d footage that is
> being projected up as an overlay(wipe). When I draw a roto, it has an
> offset, so I have to make a shape and then correct the position, instead of
> drawing it correctly in the first place.
>
> When I look through the default camera, I don't have that offset, and I
> can draw directly on the card. Does anyone know of a way to set it up where
> there's no offset while looking through a non-default camera?
>
>
> I would usually just put a roto node after an image to roto it, but in
> this case I'm using a project3D node, and can't put the roto node in the
> same line. I have to use a MergeMat. Is there a more direct way to roto on
> a card that is using a projected texture?
>
> Thanks guys,
> Ryan
>
>
>
>
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