[Sidefx-houdini-list] Camera model
john.coldrick at gmail.com
Fri Nov 30 16:01:20 EST 2012
Just jumping in here - I think Colin's point is that you usually can't
track distorted plates. Nothing saying you can't, ever, but that's the
first step assuming you're working with full filmback plates - undistort
the plate before tracking. Additionally, pipeline aside, just the notion
of burning a distortion into a render seems like a bad idea to me in
general. There's no way to perfectly 'undo' distortion if it's burned into
the lens. Anyway, 2c, etc.
On Fri, Nov 30, 2012 at 3:02 PM, Jordi Bares <jordibares at gmail.com> wrote:
> > Depending on the footage tracking anything that has some sort of
> perceptual distortion has always led to tracking issues somewhere in a
> sequence - but to each their own.
> > Cheers
> You would track the undistorted plates but render distorted.
> > On 2012-11-30, at 3:26 AM, Jordi Bares <jordibares at gmail.com> wrote:
> >> You may very well undistort plates yet render distorted, then compbon
> the original distorted footage to minimise transformations in the CG and
> the footage.
> >> Certainly simplifies the workflow by minimising dependencies.
> >> There are creative reasons too like rendering spherical panoramas for
> rides or immersive experiences and also for projection mapping for shows.
> >> Hope it helps
> >> Jb
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