QTR-Quadtone RIP

Good Morning David and THX for your very thorough description!

Actually I DO know where to insert the curves/icc files once they are created....Creating them has been the issue for me..(DUH....)..IF in fact you already have them in a "format" I could use, I should be able to drop them right in..If you could email me directly with those files, I could add them into my "library" along with the  "BO" files that came with QTR, and the be able to utilize QTR in it's most user-friendly" manner..
THX in ADVANCE!

ddie
Eddie Wiseman
email: pahts@...
  ----- Original Message ----- 
  From: dpgoldenberg33 
  To: QuadtoneRIP@yahoogroups.com 
  Sent: Wednesday, January 21, 2009 11:05 PM
  Subject: [QuadtoneRIP] Re: Profiles for Epson 1400 with UT-14 inks


  --- In QuadtoneRIP@yahoogroups.com, "Eddie Wiseman" <pahts@...> wrote:
  >
  > Hi David..
  > 
  > OK..sorry but my computer illiteracy is showing!..I'm on a Windoz
  Vista computer..I have the UT14 settup..I can't figure out how to
  install your files from a "description"..Windoz does not recognise a
  "COMMAND FILE..
  > 

  Eddie,
  I've not actually used QTR with Windows, so I'm afraid that any
  guidance I can offer is based on reading the User Guide by Tom Moore.
  Perhaps Tom can jump in if I write anything misleading. But, the
  following may help:

  There are basically two kinds of file that are used with the QTR system:

  1. "Curve" files that are used directly by the QTR print driver to
  specify how much of each ink to squirt out for a given gray level. 
  These are basically just long lists of numbers and have the file
  extension ".quad". On a Mac, the reside printer-specific folders
  within /Library/Printers/QTR/quadtone/. I presume that on a Windows
  machine they reside is some equivalent directory that the QTR driver
  access. One could, in principle, create the curve files by typing out
  these lists of numbers, but it wouldn't be much fun. So, there is a
  semi-automatic means of creating them, which leads to:

  2. "Ink description files". These are text files that specify a set
  of parameters from which the curve files are actually generated. 
  These files have the extension ".txt" on the Mac and ".qidf" for
  Windows and are the type of file that I provided. These files are
  roughly analogous to the source code for a computer program which
  written in text by a human is then read by an interpreter (or
  compiler) program that generates the actual executable program. On the
  Mac, the interpreter that generates the curve file is the "command"
  file provided in my folder. On Windows, there is a nice
  graphical-user-interface program, called "Curve Creator".

  To create the curves on Windows, I believe that you need to follow
  these steps:

  1. Change the suffix on the file names from .txt to .qdif. 

  2. Start the Curve Creator program. (As I understand it Curve Creator
  is part of the Windows QTR package, but you need to specify that it be
  installed when you first install QTR, or add it later.) 

  3. Open one of the qdif files in Curve Creator. This should fill in
  the various parameter boxes. Do not change anything! Just click on
  the "Create Curve" button. This, I believe, will generate the quad
  curve and save it in the proper place so that it will appear in the
  QTR dialog. You then need to repeat this with each of the curves you
  want to use.

  It is also possible to use QTR to generate "ICC profiles" that can be
  used to print without using QTR directly. This is what Paul Roark
  provides for the UT-14 inks. I have not really tried this. To me, it
  is much nicer to be able to use QTR to mix warm and cool curves for an
  individual print.

  I hope this helps. If need be, I can provide the curve files, so that
  you don't have to mess with Curve Creator. But, the downside to that
  is that you then have to worry about putting the curve files in the
  correct place. If someone can tell me of a better way to distribute
  the curves, I'll be happy to do it that way.

  As I said, I am relying heavily on the User Guide and have not
  actually done this with Windows.

  Good luck,
  David



   

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