Re: 3D Tracker

["Tim Leydecker" <BauerOink(at)gmx.de>]

> I use Equalizer for that too... You can provide a track of static frames and
> will bring cameras aligned inside XSI.

That´s a pretty nice trick. I´ll give it a go with the voodoo tracker
and the free Realviz Matchmover plug-in for Maya.

Thanks, I had thought it´s a conceptual thing but you´ve
implied it rightly, it´s worth a try...

Cheers

tim


----- Original Message ----- 
From: "jordibares" <jordibares(at)the-mill.com>
To: <XSI(at)Softimage.COM>
Sent: Thursday, January 18, 2007 12:38 PM
Subject: Re: 3D Tracker


I use Equalizer for that too... You can provide a track of static frames and
will bring cameras aligned inside XSI.

:)

jb


On 18/1/07 08:57, "Tim Leydecker" <BauerOink(at)gmx.de> wrote:

> Hey Jordi,
>
> I´d like to add that there´s a need for single image tracking and
> camera reconstruction from such. To my knowledge only the
> http://www.photomodeler.com/
>
> offers such functionality - e.g. if there is an imagesequence there´s
> ususally loads of tools ranging from freeware voodoo to Boujou
> that allow to create and export a final 3Dtrack w/camera to XSI
> but if it´s a single image to work from one is mostly stuck with
> manual fiddling and guestimating values and battling the 3D camera.
>
> I don´t want to sound cocky but imho it would be useless to have
> "just another" 3Dtracker "copied" into the XSI interface instead
> of reworking the camera manipulation tools (as you also pointed out)
> to easily allow for changing aspectratios, focal lengths and the
> distances between object2camera independently from each other,
> e.g. not being restricted to ratios based on the imageratio and center.
>
> And also being able to move the 3D camera in the direction/vector of
> it´s interest (in the direction it looks at) with _OR without changing
> the focallength and aspectratio would be desireable as this could
> mimik a "cropping" behaviour with free aspectration currently difficult
> to achieve.
>
> Simple example, I track a 4000x5120 plate, take the camera and
> "crop in" at 1200x1600, render and the element fits correctly onto
> the large plate even thought the "crop/zoom" occured off-center.
>
> Cheers
>
> tim
>
>
>
>
> ----- Original Message -----
> From: "jordibares" <jordibares(at)the-mill.com>
> To: <XSI(at)Softimage.COM>; "Luc Froelicher" <lulu(at)alamaison.fr>
> Sent: Wednesday, January 17, 2007 5:23 PM
> Subject: Re: 3D Tracker
>
>
> > > Not really, is about 2 different issues.
> > >
> > > 1. a image based tracking like PFTrack would be wonderful to have
> > integrated
> > > inside XSI
> > > 2. In reality I rather need different tools to help aligning the camera
> > than
> > > doing a full 3D track which is something I already have perfectly solved >>
via
> > > 3DEqualizer.
> > >
> > > Hope it helps
> > > jb
> > >
> > >
> > > On 17/1/07 15:40, "Luc Froelicher" <lulu(at)alamaison.fr> wrote:
> > >
> > > >> is this some kind of XSI port of REALVIZ ? makes me wonder ...
> > > >>
> > > >> Ahmidou Lyazidi wrote:
> > > > > >>> > something like this?
> > > > > >>> >
> > > > >>>
http://www.naskafilms.com/REALVIZ/HATOR/R_D/plugs_softs_naska/NSKTrack.061210
> > > > >>> dvx.avi
> > > > > >>> >
> > > > >>>
<http://www.naskafilms.com/REALVIZ/HATOR/R_D/plugs_softs_naska/NSKTrack.06121
> > > > >>> 0dvx.avi>
> > > > > >>> >
> > > > > >>> > 2007/1/17, jordibares <jordibares(at)the-mill.com
> > > > > >>> > <mailto:jordibares(at)the-mill.com>>:
> > > > > >>> >
> > > > > >>> >     I would suggest Softimage to look at PF track as a licensing
> > > > > >>> >     engine solution which I am sure could be very very welcome both
in
> > > > > >>> >     the 3D area and the 2D area of XSI but also to provide extra
tools
> > > > > >>> >     for manual tracking which actually nobody is doing.
> > > > > >>> >
> > > > > >>> >     One little example I keep giving is the ability to rotate the
> > > > > >>> >     camera along an scene line/axis/point and dolly/zoom along a
given
> > > > > >>> >     point 2Dpixel/3D position so make our lives easier.
> > > > > >>> >
> > > > > >>> >     Jb
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >     On 17/1/07 00:49, "Eriya Ito" <eriya.ito(at)grapecity.com
> > > > > >>> >     <mailto:eriya.ito(at)grapecity.com>> wrote:
> > > > > >>> >
> > > > > >>> >         Any script / tool to track translation of a 3D model to BG
> > > > > >>> >         rotoscope.
> > > > > >>> >         Rotation & scaling support also would be more than terrific
> > > > > >>> >         but for now,
> > > > > >>> >         I need to track an object to somebody's hand and boy do they
swim
> > > > > >>> >         around.
> > > > > >>> >         I know there are 3rd party tracker such as Boujou but I
> > > > > mean, any
> > > > > >>> >         tracking
> > > > > >>> >         feature built-in XSI that I missed...
> > > > > >>> >
> > > > > >>> >         Something like Maya Live (not trying to start another xx vs
xx
> > > > > >>> >         thread...
> > > > > >>> >         ;-)
> > > > > >>> >
> > > > > >>> >         TIA,
> > > > > >>> >         Eriya
> > > > > >>> >
> > > > > >>> >         ---
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> > >
> > >
> > >
>
>
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