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Re: [Digital BW] Re:off topic Re: lossless archiving

Re: [Digital BW] Re:off topic Re: lossless archiving

2001-08-27 by Julian Thomas

Final dpi is crucial in GF IMO. A 4000dpi scan at neg size, without altering
the print dpi for final sizing can take hours!

Julian
----- Original Message -----
From: "SKID Photography" <skid@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Monday, August 27, 2001 10:06 AM
Subject: [Digital BW] Re:off topic Re: lossless archiving


> >
> > Last week I tried the trail version of Genuine fractals print pro to
> > up size an 35mm neg to 10x8, it took an hour to process on a G4 Mac
> > with 1 gb memory. The original scan was 20 mg and the final print
> > over 100mg! So I have decided to go for the MrSid photoshop plugin.
> > It is claimed that a 20 mg can be reduced to 1 mg , opened in
> > Photoshop without detail loss, worked on and saved either in MrSid or
> > TIFF.
>
> Did you try the 'compressed' option in Genuine Fractals?  It would make
sense that bumping a small image up to
> 8x10 would increase the files size.  You don't mention what dpi you saved
the 8x10 to.
>
> Also, you could have saved that 100 MG image as a '12' (top) quality jpg,
or as a LZW compressed tiff, to
> knock down the size.
>
> We too, have found that when you bump an image way up in genuine fractals,
it take a lot of computing power.
> We assumed that was due to the complex algorithms used to effectively
'fill in the dots' between the original
> pixels.
>
> Harvey Ferdschneider
> partner, SKID Photography, NYC
>
>
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>
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[Digital BW] Re:off topic Re: lossless archiving

2001-08-27 by meander@mail.dk

>
>Also, you could have saved that 100 MG image as a '12' (top) quality 
>jpg, or as a LZW compressed tiff, to
>knock down the size.
>
>We too, have found that when you bump an image way up in genuine 
>fractals, it take a lot of computing power.
>
>Harvey Ferdschneider
  And.
At 10:19 +0200 27/8/01, Julian Thomas wrote:
>Final dpi is crucial in GF IMO. A 4000dpi scan at neg size, without altering
>the print dpi for final sizing can take hours!

First, I am awaiting delivery of MrSid so cant really comment on its 
capabilities. But, it does seem to solve the problem of storing 
several copies of an image for different purposes, especially in a 
high quality format. It also appears to be "future proof" in so far 
as the reduced MrSid file can be converted to tiff,jpeg etc and 
presumably any future format. The time saving is also an important 
point for me.
If your interested I could send you a MrSid file in about a week. 
Probably better to contact me off list.

Jerry.

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