Re: grayscale settings for offset printing
Re: grayscale settings for offset printing
- Subject: Re: grayscale settings for offset printing
- From: Marco Ugolini <email@hidden>
- Date: Tue, 20 Dec 2005 12:00:25 -0800
In a message dated 12/20/05 8:00 AM, Matt Kavanagh wrote:
> I've been following this and have two problems. Firstly ColorLab crashes on my
> Mac (OSX 10.4.3) using the latest version from the GMB Website when I go to
> export. I moved over to try it on PC, but I can only generate a TIF which is
> postage stamp size. Any ideas how I can get it larger?
>
> MATT KAVANAGH.
The TIFF is postage-stamp size because it's only meant to be used for
colorimetric purposes: one only needs one pixel to read what values are
carried by that location in the grid. (This makes perfect sense if you keep
in mind that the ColorLab application is developed for internal use at
GretagMacbeth. It's made available to the public only as a courtesy, I
believe. There is no support, no assistance.)
If you need to enlarge the file, export the TIFF file the usual way (it will
be "postage-stamp" size, as you describe it: one pixel per grid location).
Then open it in Photoshop. Go to Image -> Image Size: choose "Nearest
Neighbor" in the "Resample Image" pull-down menu, set your width as desired,
leave the resolution at 72ppi, then click OK. Your image will be enlarged
with no antialiasing. Each of the patches will carry exactly its original
value, with perfectly sharp edges.
Regards.
--------------
Marco Ugolini
Mill Valley, CA
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