Re: "cropping" the camera to a new aspectratio

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

camera_expander.js by Kim Aldis got me close enough.
(Aldis, 17 October 2006, Subject: Re: re- render 4:3 on 16:9)

I´d have prefered to "simply" have a new camera
created based on the settings interactively set
when having "PixelZoom" for the viewport enabled.

Actually, I don´t understand why those actual settings
aren´t exposed as it would really ease working with
cameras and nudging results into the "still renderable" reagion.

I´ll log a feature request for having that artist/client friendly.

Thanks for the replies,

Cheers

tim


----- Original Message ----- 
From: "Tim Leydecker" <BauerOink(at)gmx.de>
To: <XSI(at)Softimage.COM>
Sent: Thursday, September 06, 2007 10:12 AM
Subject: "cropping" the camera to a new aspectratio


> Hi guys,
>
> this topic has come up before but I can´t find
> the corresponding threats so please excuse the
> repetition.
>
> I have a stitched backroundplate, 5:4 aspectration,
> roughly 12500x10000px to which I have aligned
> an XSI camera (~90%there due to the stitching).
> Using lensshift.
>
> Now I´d like to "zoom" the camera offcenter onto
> a square area to get additional headroom for the
> rendering, e.g. being able to render that region
> in something like 8K without having to create
> a ~25000x20000px framebuffer using the
> Passes>Crop (to selection) option.
>
> I remember a tool or script that would let you
> "zoom" in or out off a plate, giving you the
> corresponding focallengths, I think it´s main
> purpose was to get overscan area for motion blur
> calculations, I guess that´s what I could use.
>
> Anyone got more info or tips on this?
>
> Cheers
>
> tim
>
> P.S: Basically, I´m trying to use "PixelZoom" of Rotoscopy
> in a fullblown render to get a higher resolution render with
> identical perspective distortion while "cropping" away the
> now useless area of the framebuffer.
>
>
>
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