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Old 01-28-2017, 03:56 PM   #81
Hugh Wyn Griffith
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I saw but did not absorb.

Actually mine must have come preset to 150dpi because I scanned a handwritten document the other day and it came out fuzzy even after changing the settings to B&W instead of Grayscale. So I upped that one to 300 or 600 dpi and it was immensely easier to read.

If I did go to 600 I put it back to 300 .... although I'm not short of drive space.

   
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Old 01-29-2017, 10:57 AM   #82
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hugh: Actually mine must have come preset to 150dpi
That's good...150 can be a bit low depending on the original--handwritten stuff can definitely be improved by upping the dpi...'-}}


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Old 01-29-2017, 12:44 PM   #83
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And pure b/w images, even at very high DPI, will generally still yield small file sizes.

Even uncompressed, they'll be 1/8 the size of the uncompressed grayscale version of the same image, and they'll compress to a higher degree. Often way higher.

   
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Old 01-30-2017, 12:35 PM   #84
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steve: And pure b/w images, even at very high DPI, will generally still yield small file sizes.
I think the tricky bit is that with these AIO scans, my guess is that people don't know much about the ins/outs of scanning and likely scan everything the same way--color--because surely, they think, that's better and so end up with huge PDFs. They don't know to check the PDF size either.


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Old 01-31-2017, 07:36 AM   #85
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Exactly so. I started working with images a long long time ago, both from a user POV and also from a technical/bits 'n bytes POV, so I've got some idea how this stuff works. For scanning and such, I was lucky to have someone recommend David Blatner's "Real World Scanning and Halftones" (might have even been David himself on the old CIS forum, hey?). Great book, simple, clear explanations of pretty much all I needed to know.

   
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Old 01-31-2017, 01:40 PM   #86
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steve: David Blatner's "Real World Scanning and Halftones"
That is an excellent book...I have it too--on your rec if I'm remembering correctly...'-}}



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Old 01-31-2017, 01:41 PM   #87
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I remember learning a lot about scanning back in those days from, I sort of think, an HP book. I wonder if that is it?

I was startled the other day to come across Ctein's name in list of other books by one of my favorite authors, John Sandford.

Google turns up an article about the book and writing it:

http://whatever.scalzi.com/2015/10/0...ig-idea-ctein/

Some wonderful images of him if you Google on Ctein! And he's certainly still active:

http://theonlinephotographer.typepad...grapher/ctein/

What a nice kind person he was back in those days on CompuServe ..... and still is from that article.

   
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Old 02-01-2017, 08:36 AM   #88
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>> I remember learning a lot about scanning back in those days from, I sort of think, an HP book. I wonder if that is it?

RWS&H was a Peachpit Press book, and now that I've dug it out to check, I see that it was co-authored by Steve Roth, who used to be CEO of Thunderlizard Productions, an outfit that put on huge DTP and later web development conferences all over the US. I freelanced for them every so often as the tame backstage PC guy in a mostly Mac crowd. Blatner was a regular at the conferences too. Nice guys. Roth would always take the whole conference crew out for dinner at a very nice restaurant at the end of the gig.
, he said, sending the thread spinning into the weeds. Sorry about that.

   
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Old 02-01-2017, 12:07 PM   #89
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hugh: I was startled the other day to come across Ctein's name in list of other books by one of my favorite authors, John Sandford.
I haven't read a John Sandford novel in a long time but I really liked his books a lot--hmmm...I may need to check out his entry in wikipedia (I'm pretty sure he'd have an entry) in hopes that it will list his bibiliography so I can figure which was the last book of his I read and then get the ones that followed.

I also remember Ctein...it's nice to know he's still out and about...'-}}


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Old 02-01-2017, 12:08 PM   #90
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steve: Thunderlizard Productions
I always wanted to go to one of their conferences but never did make it...


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