[Papervision3D] papervision camera formula (was: screen space to 3D space...)
dwayneneckles at hotmail.com
Sun Feb 10 10:13:58 PST 2008
Wow, does this mean FrustrumCamera is the best one to you.. since at least operates to the way AE's camerca does...
a new development...
> Date: Sun, 10 Feb 2008 10:10:17 -0800
> From: ne at planitagency.com
> To: papervision3D at osflash.org
> Subject: Re: [Papervision3D] papervision camera formula (was: screen space to 3D space...)
> It's definitely confusing, but I did happen to find a solution for After
> Effect's camera. In a recent project, we needed a way to compose several
> images in After Effects and then take all the position/scale properties to
> papervision and make the scene look the same.
> So, to match the PV3D camera to After Effects, you need to use the new
> FrustrumCamera and set the FOV property to the same as your After Effects
> camera's Angle of View, BUT set "Measure Film Size" to Vertically. Then you
> just have to make sure the X and Y positions of your layers and camera
> match, and you've got a place to lay out your papervision scene :) And, just
> to note, the Y in papervision is the inverse of the after effects Y. Hope
> that helps!
> PS - If you plan to lay out scenes in After Effects on a regular basis, I
> recommend making a script that exports all a composition's layer properties
> (position, scale, rotation) to an XML file that you can use for Papervision.
> Or I can just give you the one I did!
> timbon wrote:
> > (http://www.nabble.com/screen-space-to-3D-space...-td15355702.html)
> > Looks like lots of people are confused about papervision cameras and how
> > they compare to real 3D counterparts...
> > Is the default focal length really 100mm? Anyone got a tutorial out there
> > that explains it?
> > http://www.nabble.com/Camera-FoV-td11084062.html#a11084062
> > http://www.nabble.com/Convert-PV3D-zoom---focus-to-Field-of-View---td13530737.html#a13530737
> > http://www.nabble.com/Understanding-x%2C-y%2C-z%2C-zoom%2C-and-focus-interaction.-td13557494.html#a13557494
> View this message in context: http://www.nabble.com/papervision-camera-formula-%28was%3A-screen-space-to-3D-space...%29-tp15363124p15393182.html
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