 | | | "real " cameras in xsi | "real " cameras in xsi 2005-06-12 - By kim aldis
Back
Have you looked at the film plane tab in the camera ppg? Enabling this gives
you focal length and film back size parameters to mess with.
kim@(protected)
kim@(protected)
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)] On Behalf Of Stefan Andersson
> Sent: 12 June 2005 11:47
> To: XSI@(protected)
> Subject: Re: "real" cameras in xsi
>
> another thing... would be really really really really nice if
> the good people at Softimage could include this as a script
> for future versions (or change the camera behavior).
>
> regards
> stefan andersson
>
>
> On 6/12/05, Stefan Andersson <sanders3d@(protected)> wrote:
> > Thanks for the info... I'll see if I can figure this out :)
> >
> > regards
> > stefan andersson
> >
> >
> > On 6/12/05, Dirk <news4dirk@(protected)> wrote:
> > > To determine the field of view use this formula
> > >
> > > alpha = 2*arctan(d/(2*b)
> > >
> > > To dertermine the focal length convert the formula as follows
> > >
> > > b = d/(2*tan(alpha/2))
> > >
> > > with
> > > alpha = aperture angle (FOV)
> > > d = 24.892mm (for horizontal)
> > > d = 18.912mm (for vertical)
> > > b = focal length in mm
> > >
> > > Pay attention to the different film back values for the
> horizontal
> > > an vertical measurement.
> > > XSI unfortunately don't convert vertical to horizontal FOV
> > > automatically if you switch from one to the other.
> > >
> > >
> > >
> > > Stefan Andersson wrote:
> > >
> > > >Is there anyone out there that has a conversion script
> or something
> > > >to convert camera info to "xsi camera info".
> > > >When I try matching footage and have all the info from
> the client,
> > > >I still end up "eyeballing" it because I have no idea on how to
> > > >convert the info to xsi.
> > > >
> > > >regards
> > > >stefan andersson
> > > >
> > > >
> > > >
> > > >
> > >
> > > ---
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> > >
> >
> >
> > --
> > http://www.sanders3d.com/
> >
>
>
> --
> http://www.sanders3d.com/
>
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