Re: Linearization
2011-07-31 by Mel
Thanks Mike, the curve is virtually the same as the one for the stock EPremLuster-neutral-3.qidf, so It looks like it s OK. If I add 0.09D (the Dmin of the
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Re: [QuadtoneRIP] Linearization
2011-07-31 by Michael King
Mel, The results you expect are a straight line (or close to) for L* from paper white to dmax for the linearized target. If you are getting that then you are
Linearization
2011-07-31 by Mel
I posted this as a reply to another of my posts, but wasn t specific in pointing out it was a Linearization question, so here is a better description of the
New file uploaded to QuadtoneRIP
2011-07-30 by QuadtoneRIP@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the QuadtoneRIP group. File :
Re: Epson 1290 and QTR User Guide
2011-07-29 by Mel
I am attempting to create a QTR curve for Epson Premium Semi Gloss paper using the Epson 1290 and UT2 inks. I am using EPremLuster-neutral-3.qidf as a template
New file uploaded to QuadtoneRIP
2011-07-28 by QuadtoneRIP@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the QuadtoneRIP group. File : /Docs/QTR
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-27 by Michael King
Hi Fabio, Glad it all worked out in the end. ... Welcome to the world of L* profiling. Much better than Gamma 2.2 which sucks big time for b&w. ... Yes normal
Re: QTR-Create-ICC - Making sense of my results
2011-07-25 by pili
Hello to all, I d like to thank Mike for his suggestions. It was spot on. I ve just finished testing a new set of profiles with a L* gamma target. The results
Re: 21step.tif
2011-07-25 by Mel
Thanks Philippe, for the information. Mel
Re: Mac OS X Lion
2011-07-25 by jhhva77
I upgraded to Lion and uninstalled/installed 2.7.1 from the website last night, and I am unable to use the droplets or the install scripts inside the printer
Re: [QuadtoneRIP] Re: 21step.tif
2011-07-25 by Philippe Bachelier
It s fine. Copy and paste these numbers in a .txt file and open it with QTR-Create-ICC to get a profile. Numbers look typical of a Matte paper with ABW mode.
Re: 21step.tif
2011-07-25 by Mel
My original post omitted the printing resolution of 1440 Super. I have printed a further step wedge using a resolution of 2880 and record very little
Re: [QuadtoneRIP] 21 Step vs. 51 Step When using Create-ICC
2011-07-25 by Tom Husband
Thanks Paul and Mike. Paul, I ve been using your 21 step strip and the graphing the results. It s pretty smooth prior to linearization and the resulting
Re: QTR-Create-ICC - Making sense of my results
2011-07-24 by agoldhammer
Thanks for confirming what I thought about doing!
Re: [QuadtoneRIP] 21 Step vs. 51 Step When using Create-ICC
2011-07-24 by Michael King
Paul says ... ... not very positive. I m not sure why, but the results were usually not as smooth as with the 21-step. I ended up often getting a see-saw
Re: [QuadtoneRIP] 21 Step vs. 51 Step When using Create-ICC
2011-07-24 by Paul Roark
Hi Tom, Is there any advantage using the 51-step wedge over the 21-step when ... While not used with ABW, my experience with the 51-step test strips was not
Re: [QuadtoneRIP] 21 Step vs. 51 Step When using Create-ICC
2011-07-24 by Tom Husband
Thanks, Philippe, I thought that might be the case. Tom On Sun, Jul 24, 2011 at 2:34 PM, Philippe Bachelier
Re: [QuadtoneRIP] 21 Step vs. 51 Step When using Create-ICC
2011-07-24 by Philippe Bachelier
21 step is good enough for ABW. Philippe Le 24 juil. 2011 à 22:11, Phil Morse a écrit : -- Phil ... [Non-text portions of this message have been removed]
Re: [QuadtoneRIP] 21 Step vs. 51 Step When using Create-ICC
2011-07-24 by Philippe Bachelier
The Spyder3 doesn t need a random target : you read each patch one by one. Philippe Le 24 juil. 2011 à 22:11, Phil Morse a écrit : -- Phil ... [Non-text
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-24 by Philippe Bachelier
Create your own .txt file with the same values for RGB, like this 21 steps : 0,0,0 13,13,13 26,26,26 38,38,38 51,51,51 64,64,64 77,77,77 89,89,89 102,102,102
21 Step vs. 51 Step When using Create-ICC
2011-07-24 by thusband2003
Is there any advantage using the 51-step wedge over the 21-step when creating profiles for the Epson R2400 ABW mode? I m using the Spyder3 spectro. And what
Re: QTR-Create-ICC - Making sense of my results
2011-07-24 by agoldhammer
I saw those files but they don t import into ColorPort.
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-24 by Michael King
QTR eye-one folder.... ... [Non-text portions of this message have been removed]
Re: QTR-Create-ICC - Making sense of my results
2011-07-24 by agoldhammer
Is there a source file for the 21 and 51 step wedges? The ColorPort download only has color targets available. I did a Google search and cannot find any B/W
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-23 by Philippe Bachelier
X-Rite ColorPort can also be used to create and read test targets. Philippe Le 23 juil. 2011 à 17:20, agoldhammer a écrit : I m a little (maybe a lot) late
21step.tif
2011-07-23 by Mel
I have printed off the 21step.tif using the QTR Graphical Interface with the following hardware, ink, paper and preset. Epson 1290 Epson Enhanced Matte UT2
Re: QTR-Create-ICC - Making sense of my results
2011-07-23 by agoldhammer
I m a little (maybe a lot) late to this discussion. You can see the L* curves for the 3800 here:
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by Michael King
Hi Fabio, I am just repeating here what we discussed off-line - for the benefit of those following this thread (If any :) Ok I realised what the issue is. Of
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
And here (http://i.imgur.com/fOhV0.png) is a comparison for the Canson Baryta Photographique 310g, before and after profiling. The 95% tones could be a little
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
Mike, That cheap photo paper might be the cause of the flat curve near 95% tones. Look at this (http://imgur.com/vF1l5) comparison between it and Canson Baryta
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
These run was done on a cheap photo paper. Canson Infinity Baryta 310g was giving me better L values, around 97.5. I m using a Datacolor Spyder3Print device to
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by Michael King
Fabio, what paper are you using? L= 93,29 is very low for paper white. Mike ... [Non-text portions of this message have been removed]
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
Mike, This (http://pastebin.com/xj2TzYDj) is the output file and this (http://pastebin.com/3Nqzj7sS) is the data that originated it. Here
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by Michael King
Hi Fabio, Sorry to deliver the bad news but that still doesn t look like the right result. QTR should linearize to a straight line. There should not be that
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
I have tracked down the problem to some incompatibility during printing. For same reason, either in Photoshop CS5 or in Lightroom, the ICC profile generated by
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
I ve done a few further tests and, so far, I could not measure any change on my prints when applying the QTR generated profile during output. This should be
Re: QTR-Create-ICC - Making sense of my results
2011-07-22 by pili
Hello, Terry. Thank you for you reply. I ve read that article and also checked other sources, including the list archive, before posting here. When I said no
Re: [QuadtoneRIP] QTR-Create-ICC - Making sense of my results
2011-07-22 by Terry Ritz
Hi Fabio. I suggest you read through a great article that Keith Cooper wrote called Better black and white with the ColorMunki . Don t let the title fool you.
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-21 by Michael King
Fabio, The one from the laser printer is more what I would expect, where it takes a curve and linearizes it. Note that everything I read about this profile
Re: QTR-Create-ICC - Making sense of my results
2011-07-21 by pili
Thank you for your reply, Mike. I think the targets are not being altered during printing, because of the lab values I m getting when I measure them. But I ll
Re: [QuadtoneRIP] Re: QTR-Create-ICC - Making sense of my results
2011-07-21 by Michael King
Fabio, I am using a PC so not that familiar with Mac printing issues - but to simplify the problem why not keep the images and targets in RGB since it looks
Re: QTR-Create-ICC - Making sense of my results
2011-07-21 by HalfCameraGeek
Hi, Mike. I m printing from a Mac running 10.6.8 and printing from Photoshop CS5 12.0.4. Since the Adobe utility for printing targets does not support
Re: [QuadtoneRIP] QTR-Create-ICC - Making sense of my results
2011-07-21 by Michael King
Hi Fabio, What platform are you on (PC or Mac) and which application including version number are you printing from? Txs, Mike ... [Non-text portions of this
QTR-Create-ICC - Making sense of my results
2011-07-21 by HalfCameraGeek
Hello, I ve been evaluating he ICC profile creation tools of QuadToneRIP and trying to understand my results with it. My interested is specifically in the
Re: [QuadtoneRIP] Mac OS X Lion
2011-07-21 by John Labovitz
This is the version current available on the QTR site? If so, I m happily surprised. I had looked into this several times, and it seemed that most of the
Mac OS X Lion
2011-07-20 by KentB
Pleased to report that Lion works with QTR. Just installed Lion on a test drive. What is definitely necessary is to uninstall and reinstall QTR...likewise
Re: Tom Moore's User Guide
2011-07-19 by Mel
Thanks Tom, just what I wanted to know. Mel
Re: [QuadtoneRIP] Tom Moore's User Guide
2011-07-19 by Tom Moore
... Yes. -- Tom Tom Moore Help make a difference; check out: www.little-angels.ca - Helping patients in need www.kiva.org - Loans that change lives [Non-text
Tom Moore's User Guide
2011-07-18 by Mel
In the User Guide, Tom mentions using the X-rite 810 for density measurements - for these measurements is the Visual setting used. ? Mel
Quadtone RIP and the Epson 2880
2011-07-17 by sclinton44
I have downloaded QTR and would like to use it along with the pre-installed curves on my Epson 2880 to print black and white. This is not BO printing since the