Camera Projection tutor-please

[212]

Hi Forums,

i wonder about camera projection in FFI? is there any site that explain as a details with pic or video included about how to set Camera projection in FFI apps ?

I’d be greatfull thanks for responses and a bit share for tips/tricks and setups

cheers-
212
Nuke/Fusion/AE

[Saran Sirikasamsap]

do u have the flame user manual and the software at your facility ?

check the autodesk website, training section?

[Dany Schelkaev]

Thanx Rohit…I appreciated ur help

[claudio antonelli]

the only “tricky” think I’ve found is that matching the rotation and position of a specified camera does not mean said projector will be looking in the same place.

In fact it seems to never do that, and I don’t have an answer as to why that is, but the workaround is to make the projector a child of your camera, or dupe your camera and all translation and rotation/aim attributes will carry down. Just make sure to set your projector Z depth to 0 and link it’s FOV to the camera.

[Ramazan]

heya 212 as i reponded to your other post:

http://www.fxguide.com/forums/showthread.php?t=4693

check it out should help you.

andy it won’t line up manually if your camera is a target camera, you would need the lookat expression, but parenting as you say works so that is the easiest way.

[claudio antonelli]

Yeah, ive messed around with lookats, but even when it’s a rotation camera I’ve had issues. Position, rotation and FOV all linked by expressions (I think one or two of the rotation axes came closest when infverted…) and the camera and projector dont’ line up.

but whatever really, since parenting them works perfectly and is easier anyway.

[claudio antonelli]

Yeah, ive messed around with lookats, but even when it’s a rotation camera I’ve had issues. Position, rotation and FOV all linked by expressions (I think one or two of the rotation axes came closest when infverted…) and the camera and projector dont’ line up.

but whatever really, since parenting them works perfectly and is easier anyway.

your tips on that other post are wonderful.

[Margaux Durand-Rival]

Hello, unfortunatelly most of matchmoving softwares exports target camera – i can’t understand why!! 😡 … when i want make a projection of mattepainting for instance, i use this workflow:

i rewrite position and fov manually and then adjusting rotation also manually till projection frame is aligned with action frame… i can do it in couple of seconds, for me it’s the fastest …

(in flame 2009 you can see it side by side and imho it’s faster then use channels to delete animation and then parrenting static camera to projector)

I would appreciate some more advanced tips and tutorials for 3D compositing, I use Nuke 3D enviroment in very advanced ways and i haven’t needed advanced 3d techniques in Flame ..

V.

[greek]

hi,

actually target cam in action is easier to handle – you dont have to try lookat expressions on the camera, which is giving strange results …
just have the projector rotation lookat the cameras target & link the projector position to the cameras & you should be fine.
another nice way is using the 3d-path with its lookat operator – this even works with a free camera.

ciao
robert

[Margaux Durand-Rival]

Hello. Yes, but if i have proper matchmove, i don’t need change animation of camera, it’s my goal.. I can adjust projector easily, but for example in Nuke i use reverse scene setup for advanced perspective stabilizations. I mean use moving camera as a projector and freeze it on one frame as a render camera.. and i dont think it’s possible to do it in Flame without expressions if i have Action with target cam… it’s what i don’t like..

V.

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