Re: [3dtv] stereoscopy rule
- For ease of calculation I'd use the 1/50 rule or for every 1 unit of camera
separation the nearest object to the camera is 50 units.
On 01/02/06, Amala Gaura das <amalagaura@...> wrote:
> I am still confused. The rule is referring to placing the virtual cameras
> in a 3D program like 3dsmax or cinema4d(what I prefer). I am wondering
> to measure use a rule to determine camera placements according to the
> I guess my question is how do we measure the screen width to determine the
> camera separation. The screen width is looking through one of the
> What determines the width since the camera is looking at different places
> 3D space.
> Also, is anyone trying out Vue Infinite for stereoscopic. It is quite an
> amazing program and now getting very interesting with the xStream plugins
> work with 3dsmax & maya.
> Thanks for any help,
> Amala Gaura
> -----Original Message-----
> Message: 6
> Date: Tue, 31 Jan 2006 12:19:06 +0100
> From: "Sergio M Baldissara" <sergio3d@...>
> Subject: Re: stereoscopy rule
> > There was a post by one of our members about a 3.3% stereoscopic rule
> > computer generated 3D. I am wondering if any of our members can explain
> > this further?
> > What do you measure to take 3.3% of? I find that quite confusing. Do
> > just put a null object at the 2 ends of the screen and find the distance
> > between them? Because looking through the camera we are looking at
> > different places in 3d space.
> > I find this confusing. Can any of our members clarify this? It does
> > sense that there will be a good ratio, but how to measure this since our
> > camera is looking at different places upto infinity?
> > Thanks,
> > Amala Gaura
> That means the max on-screen distance between images of the same object
> can't be wider than 3.3% of the frame width. (According to the author of
> that theory).
> Of course it's the one with max parallax (the nearest to you while
> 3.3% screen width is a pretty good separation (~1,3° parallax), but in
> "real" shooting you can use the old good 1/30th rule, meaning ~2° parallax
> with "normal" lenses, say ~5% frame width onfilm/onscreen max
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[Non-text portions of this message have been removed]
- You can always spot someone who is on the metric system. !-)
--- In firstname.lastname@example.org, Gerrard Burnell <gedburnell@g...> wrote:
> For ease of calculation I'd use the 1/50 rule or for every 1 unit of
> separation the nearest object to the camera is 50 units.