Camera/Aspect ratio condundrum 2003-12-13 - By Gary Jaeger
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try changing the Film Fit on your cameras to Vertical.
On Dec 12, 2003, at 7:30 PM, Steve Davy wrote:
> Further to the couple of posts about this last week, I'd like to
> restart
> this thread, concerning the change in framing that occurs when you
> change
> the aspect ratio in your render globals.
>
> I've never understood why going from 4:3 to 16:9 changes the vertical
> (i.e.
> in image space the Y) size of your framing, rather than maintaining
> this and
> simply adding extra area to the sides. Can someone at least explain to
> me
> why Maya does this? If I understood the reasoning behind it it might
> not bug
> me so much.
>
> We're now facing a situation here where we have a couple of hundred
> shots
> that were all framed for 4:3 that now have to go to 16:9, with very
> little
> planning for this (don't ask). We want, where possible, to maintain the
> vertical framing and simply add to the edges of the image, as described
> above.
>
> There appear to be only two ways to do this:
>
> 1) Change the camera focal length, however the directors do not want
> this
>
> 2) Physically move the camera in 3D space.
>
> The problem with the latter is that any rotation on the camera STILL
> causes
> the framing to be slightly different, due to a different position in
> space
> and a different lookat point.
>
> Of course we can eyeball every shot, or I'm sure I could come up with
> some
> ways to automate it using an offset of some kind, at least on the
> translation.
>
> But can anyone suggest anything better?
>
>
> Steve Davy
> 3D Hack
>
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