Re: "real" cameras in xsi

[Chris Shaw <cjdshaw.bulk(at)blueyonder.co.uk>]

I don't think so. Last I heard, the paid encrypted service would only 
get you about a meter accuracy. With a differential ground station, you 
could improve that to about 10cm but the cost is going to get pretty 
high and I doubt it would work in a studio enviroment.
Chris

kim aldis wrote:
> Wait till Gallileo comes on line. GPS on cameras accurate to a centimetre.
> No more camera tracking. Yeehahh! 
>
>
> > -----Original Message-----
> > From: owner-xsi(at)Softimage.COM 
> > [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Stefan Andersson
> > Sent: 26-January-2006 07:06
> > To: XSI(at)Softimage.COM
> > Subject: Re: "real" cameras in xsi
> >
> > Talking about "lenses" I just had to share this link that I 
> > was given yesterday... pretty damn cool.
> >
> > http://graphics.stanford.edu/papers/lfcamera/
> >
> > regards
> > stefan
> >
> > On 1/25/06, Francois Lord <francoislord(at)gmail.com> wrote:
> >
> > > cuz you don't have an RSS feed of xsi-blog.com in your 
> >
> > Thunderbird mailer.
> >
> > > It's not too late to fix it!
> > >
> > > Robert Moodie wrote:
> > >
> > >
> > > > How the hell did I miss that, Francois?
> > > >
> > > > Cheers
> > > > _rob
> > > >
> > > > ----- Original Message -----
> > > > From: "Francois Lord" <francoislord(at)gmail.com>
> > > > To: <XSI(at)Softimage.COM>
> > > > Sent: Wednesday, January 25, 2006 2:37 PM
> > > > Subject: Re: "real" cameras in xsi
> > > >
> > > >
> > > > And don't forget, this can be useful:
> > > > http://www.xsi-blog.com/?p=65
> > > > (awfully shameless plug)
> > > >
> > > > Gene Crucean wrote:
> > > >
> > > >
> > > >
> > > >
> > > > > Holy thread revival batman!
> > > > >
> > > > > I'm still a little confused by this stuff (I know I know). So in 
> > > > > boujou, it wants the film back size (which I don't have, 
> >
> > but I know 
> >
> > > > > it was shot on a Sony HDW-5900H), and the focal length which is 
> > > > > 3'2". I tried searching on the web for the film back size of that 
> > > > > camera but no information for that camera even comes up 
> >
> > at all. So I 
> >
> > > > > guess my first real question is does anyone know the FB 
> >
> > size of that camera?
> >
> > > > > The only information that we have on the camera is the lens (7m 
> > > > > which I'm assuming is a typo meant to be mm), the foc 
> >
> > which is 3'2" 
> >
> > > > > and the PSF which is 23.98. Well and some other random info like 
> > > > > height, tilt, Tstop, roll etc.
> > > > >
> > > > > I ran a quick track on it without using the correct FB 
> >
> > info and no 
> >
> > > > > surprise it comes into xsi with a FOV of something like 
> >
> > 12 (way off 
> >
> > > > > visually). I'm a little confused with all this conversion 
> >
> > stuff so 
> >
> > > > > any input would be appreciated.
> > > > >
> > > > > Thanks guys
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > On 6/15/05, *Robert Moodie* <robertm(at)hybride.com 
> > > > > <mailto:robertm(at)hybride.com>> wrote:
> > > > >
> > > > >   While we're on the subject - here's a little something:
> > > > >
> > > > >   Run this (vbs) script:
> > > > >
> > > > >   NewScene
> > > > >   SelectObj "Camera_Root", "BRANCH"
> > > > >   ToggleVisibility
> > > > >   DeleteObj "Camera_Interest"
> > > > >   SelectObj "Camera"
> > > > >   Rotate , 0, 0, 0, siAbsolute, siPivot, siObj, siX, , 
> >
> > , , , , , , 0
> >
> > > > >   GetPrim "Null"
> > > > >   GetPrim "Null"
> > > > >   Translate , 0, 0, -20, siAbsolute, siPivot, siObj, 
> >
> > siZ, , , , , ,
> >
> > > > >   , , , , 0
> > > > >
> > > > >   Now, hide the grid in the camera view and in any 
> >
> > other view - NOT
> >
> > > > >   THE CAMERA VIEW - select and rotate (pan) the camera.
> > > > >   Watch what happens to the nulls - there is no parallax.
> > > > >
> > > > >   Now run this:
> > > > >
> > > > >   SetValue "Camera.kine.local.pposz", 1.5
> > > > >
> > > > >   (What we are doing is offsetting the camera pivot to 
> >
> > be 'behind'
> >
> > > > >   the lens - to see the pivots turn them on in 
> >
> > Visibility options)
> >
> > > > >   Now select and pan the camera as you did before and watch the
> > > > >   magic of parallax.
> > > > >
> > > > >   This is no limitation of XSI - it happens in all 3D apps - but
> > > > >   basicaly the pivot point of 3D cameras is also the 
> >
> > Nodal point.
> >
> > > > >   And this never happens in real life.
> > > > >
> > > > >   For further explanation read this:
> > > > >   http://360texas.com/tips/nodalpts.htm
> > > > >   <http://360texas.com/tips/nodalpts.htm>
> > > > >
> > > > >   Hopefully this may be a little help to someone. If 
> >
> > you know the
> >
> > > > >   make and models of your 'real' cameras, tripods or 
> >
> > dollies you can
> >
> > > > >   set the pivot offset values to match exactly what was on set.
> > > > >
> > > > >   _rob
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > -gc
> > > >
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