[Tig] Digital cinema

Bob Friesenhahn bfriesen
Thu Mar 30 21:36:08 BST 2006

Thanks to oktobor for supporting the TIG
On Thu, 30 Mar 2006, Micheletti, Bob (NBC Universal) wrote:
> My first problem with the DCI spec is that the idea of 2048 (4096) pixels
> across matching the S35 scan resolution.  This overlooked the fact that
> 2048 in the camera aperture scan width not the projected image width.
> This means an S35 scan needs to be blown up 4.5% digitally to match
> the film print.  There is those darn aliasing and rounding errors fed
> through a filter again!

Perhaps you should not do any scaling and simply insert black pixels 
to make up the difference?  4.5% of black border does not seem like 
enough to worry about.  It would not bother me as long as the 
projector produces suitably black blacks.

Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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