thanks a lot.
i put these numbers into the film aperature size and i get the same
FoV as with the plugin. but the bonus is that i can set the focal length
directly in real world measurements inside the xsi camera.
the plugin always calculated some strange numbers.
same result though.
ciao
franky
Wednesday, January 31, 2007, 9:20:29 PM, you wrote:
MB> 2/3" 16:9 CCD just like on your Sony : 0.3775" x 0.2123"
MB> --
MB> Marc Bourbonnais
MB> 3D TD
MB> Hybride
MB> ----- Original Message -----
MB> From: "Frank Lenhard" <franky(at)ixdream.com>
MB> To: <XSI(at)Softimage.COM>
MB> Sent: Wednesday, January 31, 2007 1:57 PM
MB> Subject: Re[2]: real world camera
MB> thanks a lot guys.
MB> i installed that python plugin and it seems it works nice. cant verify
MB> though, because i'am unable to find the dimensions of the sensor...
MB> sigh...
MB> ciao
MB> franky
MB> Wednesday, January 31, 2007, 5:51:48 PM, you wrote:
TL>> There´s been some extensive threads on photogrammetry,
TL>> lens distortion and useful tools a couple of weeks back.
TL>> From the top of my head, LaMaison has a great shader
TL>> to add lensdistortion (on the cost of loosing motionvectors)
TL>> and many people here suggested to look into Hype (for shake)
TL>> http://www.visualappliance.com/products/hype-shake/
TL>> A collegue of mine has been playing with fotomodeler,
TL>> I myself tried the Maya>Realviz MMTrack plugin and
TL>> got useable results out of (purposedly) unknown footage.
TL>> Boiling this down, I´d figure your best bet is to lend the
TL>> camera and lesnes a day and shoot the gridpatterns you
TL>> need for distortioncorrection plus some free movement,
TL>> fixed pans and such on a visually rich location to *extract*
TL>> a closely matching camera without too much effort before shoot...
TL>> Cheers
TL>> tim
TL>> ----- Original Message -----
TL>> From: "Francois Lord" <francoislord(at)gmail.com>
TL>> To: <XSI(at)Softimage.COM>
TL>> Sent: Wednesday, January 31, 2007 5:38 PM
TL>> Subject: Re: real world camera
http://www.xsi-blog.com/archives/65
You will need Python installed.
http://softimage.wiki.avid.com/sdkdocs/abd457728.htm
There is a preset in the plugin called "Video HDTV 2/3" 16:9 sensor"
which should
be pretty close to what you need.
Frank Lenhard wrote:
i could swear this was covered before, but i cant find any infos in the
archives.
a project is coming up where we will do some serious et enheancements. i
know the
camera which will be used
on set and i will be there too. i would like to replicate the camera as
close as
possible beofre the shoot,
so i can work out a good animatic that will match the view angles and
FoV of the
real world.
the camera is a Sony DVW 970WSP,
http://bssc.sel.sony.com/BroadcastandBusiness/DisplayModel?m=0&p=2&sp=11&id=79174
<http://bssc.sel.sony.com/BroadcastandBusiness/DisplayModel?m=0&p=2&sp=11&id=79174>
the lenses will be a Fujinon 7.8x22 and a Fujinon 4,8x10
i dont really know for sure how to replicate the camera in xsi. i know
all the
properties of a xsi camera
and guess that the focal length is equal to the one that will be set on
the lens,
but whats with the film
aperture? has this anything to do with the CCD chip and its size? and if
so, how
the numbers relate to each
other?
thanks a lot folks
ciao
franky
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