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21-step crashing qcdn

DM Witman All Messages By This Member #19466 Greetings :) I am running a 21 step target and when I attempt to open in QCDN linearize app, it crashes the system-every time. I want to use this as measurement because I actually looks pretty good. I seem to recall others posting about this ages ago. Searched the group posts but it doesn’t come up in the search. ? Any ideas? ? specifics: i3pro, QCDN, 21 step target macmini m1 os- sequoia 15.x ? ? ?
[email protected] All Messages By This Member #19467 开云体育 If I’m understanding this correctly, I was also running into the same thing recently and the following fixed it: 1) ?make sure you’re selecting the correct settings before saving the .txt file of the measurement data. I don’t have them in front of me but it’s detailed in the QCDN documentation. 2) try dragging the text file onto the program window instead of opening it via the file explorer/import button? toggle quoted message Show quoted text On Mar 20, 2025, at 3:03?PM, DM Witman via groups.io <dmwitman@...> wrote: ? Greetings :) I am running a 21 step target and when I attempt to open in QCDN linearize app, it crashes the system-every time. I want to use this as measurement because I actually looks pretty good. I seem to recall others posting about this ages ago. Searched the group posts but it doesn’t come up in the search. ? Any ideas? ? specifics: i3pro, QCDN, 21 step target macmini m1 os- sequoia 15.x ? ? ?
Eben Ostby All Messages By This Member #19468 开云体育 I had this happen when I had the wrong number of entries in a file. You could try reading it in data-tool and writing it to see if that will clean it up? E toggle quoted message Show quoted text On Mar 20, 2025, at 5:15?PM, type_63@... via groups.io <schworerwm@...> wrote: ?If I’m understanding this correctly, I was also running into the same thing recently and the following fixed it: 1) ?make sure you’re selecting the correct settings before saving the .txt file of the measurement data. I don’t have them in front of me but it’s detailed in the QCDN documentation. 2) try dragging the text file onto the program window instead of opening it via the file explorer/import button? On Mar 20, 2025, at 3:03?PM, DM Witman via groups.io <dmwitman@...> wrote: ? Greetings :) I am running a 21 step target and when I attempt to open in QCDN linearize app, it crashes the system-every time. I want to use this as measurement because I actually looks pretty good. I seem to recall others posting about this ages ago. Searched the group posts but it doesn’t come up in the search. ? Any ideas? ? specifics: i3pro, QCDN, 21 step target macmini m1 os- sequoia 15.x ? ? ?
Christina Z. Anderson All Messages By This Member #19469 开云体育 DM Can you attach the file that crashes? Chris ? From: [email protected] <[email protected]> on behalf of Eben Ostby via groups.io <ebenostby@...> Date: Thursday, March 20, 2025 at 4:16?PM To: [email protected] <[email protected]> Cc: [email protected] <[email protected]> Subject: Re: [QuadToneRIP] 21-step crashing qcdn I had this happen when I had the wrong number of entries in a file. You could try reading it in data-tool and writing it to see if that will clean it up? E toggle quoted message Show quoted text On Mar 20, 2025, at 5:15?PM, type_63@... via groups.io <schworerwm@...> wrote: ?If I’m understanding this correctly, I was also running into the same thing recently and the following fixed it: ? 1) ?make sure you’re selecting the correct settings before saving the .txt file of the measurement data. I don’t have them in front of me but it’s detailed in the QCDN documentation. ? 2) try dragging the text file onto the program window instead of opening it via the file explorer/import button? ? On Mar 20, 2025, at 3:03?PM, DM Witman via groups.io <dmwitman@...> wrote: ? Greetings :) I am running a 21 step target and when I attempt to open in QCDN linearize app, it crashes the system-every time. I want to use this as measurement because I actually looks pretty good. I seem to recall others posting about this ages ago. Searched the group posts but it doesn’t come up in the search. ? Any ideas? ? specifics: i3pro, QCDN, 21 step target macmini m1 os- sequoia 15.x ? ? ?
DM Witman All Messages By This Member #19470 Thanks all for your help. I found that if I changed the .txt file to have 21 sets instead of 22, and deleted the last entry of data (line 22), saved this, and the place into QCDN, no more crashing. I seem to recall something about even/odd numbers at some point??? ?I've attached both files, the file with the "21" in the name is the file with the deleted line of data. ? Thanks, DM ? ? Trad_Cyanotype_ReverPlat_ProPhoto_Starter_35B_2x11_M0-21.txt Trad_Cyanotype_ReverPlat_ProPhoto_Starter_35B_2x11_M0-21.txt Trad_Cyanotype_ReverPlat_Adobe98_Starter_35B_2x11_M0.txt Trad_Cyanotype_ReverPlat_Adobe98_Starter_35B_2x11_M0.txt
Christina Z. Anderson All Messages By This Member #19473 开云体育 DM Neither of those files crash QCDN on my computer (Sonoma 14.7.1, QCDN 3.2) but when I open the 22 number one in QCDN I get a blank grid and a blank LAB but then I open the 21 step one and I get this with your 100 going back to 94. I have never seen LAB when the final number goes back to a high but I don’t use the iPro either, I measure in Photoshop LAB, so maybe that is a function of iPro. My question is whether along with having that extra point (22 instead of 21) you also have a wrong measurement number. But someone well versed in iPro probably has a correct answer that I don’t. Chris ? Christina Z. Anderson Professor of Photography? Montana State University Series Editor: Newly revised? ? ? From: [email protected] <[email protected]> on behalf of DM Witman via groups.io <dmwitman@...> Date: Thursday, March 20, 2025 at 4:40?PM To: [email protected] <[email protected]> Subject: Re: [QuadToneRIP] 21-step crashing qcdn Thanks all for your help. I found that if I changed the .txt file to have 21 sets instead of 22, and deleted the last entry of data (line 22), saved this, and the place into QCDN, no more crashing. I seem to recall something about even/odd numbers at some point??? ?I've attached both files, the file with the "21" in the name is the file with the deleted line of data. ? Thanks, DM ? ?
DM Witman All Messages By This Member #19475 Thanks for reviewing this. I have no idea. I essentially abandoned that target and printed another from the QCDN package which seems to be working fine. I always feel like there is so much to learn at every turn, just when I believe I have a solid work flow.? ? Thank you very much Chris!

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