Dreaming again??? ;-)
jb
On Thu, 2006-01-26 at 13:16 +0000, 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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> >
> >
> > --
> > ______________________________________________________________
> > __________
> > http://stefan.sanders3d.com/
> > http://os3d.blogspot.com/
> >
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Jordi Bares <jordibares(at)the-mill.com>
The Mill
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