RE: Photoshop USM and CMYK conversion

[David Hibbeln <dhibbeln@xxxxxxxxx>]

Dear Zonghou Xiong;

I just joined the list. So I a bit behind on the discussion thread.
A question: What hardware/software do you use to scan such large images
12"x40" ?

Regards,
David R. Hibbeln
IT Director
Tobin & Collins CPA PA
Hackensack, NJ 07601 USA
voice 201-487-7744
fax 201-487-8848
email - dhibbeln@xxxxxxxxx

-----Original Message-----
From: Glenn Barry [mailto:glenn@xxxxxxxxxxx]
Sent: Thursday, March 02, 2000 8:22 AM
To: panorama-l@xxxxxxxxxxxxxxxxx
Subject: Re: Photoshop USM and CMYK conversion


Sounds as though you coud do with another scratch disk.

zxiong@xxxxxxxxxxxxxxxxxxxxxx wrote:

> >What size files are you working on? Are you working on more than one at a
time?
> >A 4GB scratch file is huge!
>
> Panoramic images of about 12x40 inch at 300dpi.  A single image wouldn't
crush
> the system. When I put three of them onto one image file to create a 4x5
tranny
> at >3000 dpi I couldn't flatten the layers because 4GB wasn't enough.
> Eventually I down-sampled the files and got my tranny out.  One single
12x40
> image is a little over 100MB in RBG and about 150MB in CMYK.  Using layers
> the file size could easily double or triple.  When it comes to scratch
files,
> photoshop sometimes require spaces over 10 times of the actual file size.
>
> Zonghou Xiong

--
Glenn Barry Photography
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