Re: "real" cameras in xsi

["Adrian Wyer" <adrian(at)the-mill.com>]

of course we are...... the day we no longer have to track cameras will be a 
great day indeed!
no more dealing with crappy/incomplete camera information
no more dealing with crappy camera men
no more getting the whole shoot to stop while we stumble around on set 
trying to measure stuff

i cant wait!

a

adrian wyer
head of 3d
milltv
adrian(at)the-mill.com
www.the-mill.com
t: +44 (0)20 7287 4041
f: +44 (0)20 7915 0551

----- Original Message ----- 
From: "Jordi Bares" <jordibares(at)the-mill.com>
To: <XSI(at)softimage.com>
Sent: Thursday, January 26, 2006 4:30 PM
Subject: RE: "real" cameras in xsi


> 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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> > >
> > > --
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> Jordi Bares <jordibares(at)the-mill.com>
> The Mill
>
>
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