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Posted by RP on 07/02/06 22:53
> > How would you recommend I scan these in and then re-size? I'm using
> > standard DV so I've been scanning them all in and then resizing to
> > 720x480 but I suspect this is suboptimal.
>
> Definitely suboptimal. You want the ability to zoom in and out of the
> pictures. To do that, you'll want a minimum of 720 x 480 pixels when fully
> zoomed in -- obviously, this translates to considerable more as you zoom
> out. For example, with images at Premiere Pro's maximum, you can zoom in by
> a ration of about 4.5x before digitization (blocky artifacts) occurs.
Ah, I think I'm seeing it all come together now. It helped to do some
quick research on scanning (www.scantips.com <-- was particularly
helpful), clarifying for me the pixel display issues that previously
baffled me. Your response makes perfect sense now. Most other sources
I've read indicate that it's a waste to shoot for the 4096x4096 limit,
but I guess they're assuming I'm not going to need all that much
headroom and that storage is at a premium. In my case, storage isn't a
big issue, it's not like I do this for a living. I do want to preserve
my zooming in capability, so I will give myself some headroom, but I'm
guessing I'll probably be ok with something like 2000x2000 which, if I
understand correctly, should allow me roughly a 4-1 zoom on images that
can comfortably downsample to 720x480 and still fit without cropping
(I'm assuming the correct axis to multiply is the 480, which I guess
will produce some "reverse letterboxing"). I hope this makes sense, it
sounds confusing the way I say it, but I think I get it.
I guess another issue occurs to me as I write this. Seems to me that
Premiere Pro is going to need to preserve the original 2000x2000 image
and build that into the final production irrespective of how much use
it actually gets at that size in the film. This has at least two
implications: 1) final output is larger (no biggie, really); but 2)
performance is slower due to file management and downsampling. Is that
an appreciable issue on decent hardware (my Alienware Area 51 - 7900)?
This is all a lot more complex than I originally thought when I asked
for Premiere Pro for my birthday lol, but fun as hell. Thanks, guys.
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