Digital BW, The Print

Allan,

Hopefully you've got the programs that Roger has mentioned.  This
area is the major difference from the Mac OS X usage.

I haven't ever used gimp so I'm not sure why it doesn't work.  The
inkpattern file is a Photoshop file which might be a problem so I
could provide a CMYK tiff if that would help.

To get curves for the Lyson inks it's essential to find out the densities
of each ink.  The inkpattern file is convenient since it shows each
ink separately in a 21step wedge.

Roy

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roger L Sopher" 
<rlsopher@c...> wrote:
> Hi Allan,
> 
> I don't know of anyone that has been able to print from gimp in Linux. The
> problem seems to be in gimp-print. The QTR2 ppds just won't show up when you
> define a printer. My work around is to define the printer using webmin then
> to print using qtcups.
> 
> Roger
>   -----Original Message-----
>   From: Allan Metts [mailto:ametts2@m...]
>   Sent: Sunday, October 12, 2003 5:57 AM
>   To: DigitalBlackandWhiteThePrint@yahoogroups.com
>   Subject: [Digital BW] Calibrating Lyson Inks on Linux
> 
> 
> 
>   I'm up and running with QuadToneRIP on Linux.  Now I'm trying to establish
>   a set of curves that work well with my Lyson QuadBlack inkset.
> 
>   The QuadToneRIP package includes a special CMYK document (inkpattern.psd)
>   that I'm supposed to print out without any re-rendering or resampling, to
>   see the individual effect of each ink.  Trouble is, I can't seem to print
>   this document from GIMP (which is all I have in Linux).  The document
>   displays in RGB Mode, and I can't find a setting equivalent to "Print
> Space
>   = Same as Source".  When I print, the document looks like each ink tried
> to
>   do its own thing in its own place (i.e., four "ghost" images).
> 
>   I've created curves with CALIBRATION=YES in the ink descriptor file, and
>   have loaded these curves in to the PPD driver.
> 
>   So here are my questions:
> 
>   --*-- Any ideas on what I'm doing wrong in GIMP with the inkpattern.psd
> file?
> 
>   --*-- Is there an alternative way to come up with a set of curves in a
>   Linux-only environment?
> 
>   --*-- Any suggestions for reasonable starting values for the Lyson
>   QuadBlack inks?
> 
>   Thanks in advance,
> 
>   Allan
> 
> 
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