By the way: try to generate new image (by printtarg) for Your instrument type and print the target with ACPU without opening the image by something else. Please, use -D key for printtarg. I'm not sure that Your editing software didn't convert pixel values while opening and saving. Wed, 24 Oct 2012 20:32:29 +0200 ÐÑ "Xavi" <aruiz@xxxxxxxxxxx>: > > > > > >Hi Nikolay. > >Thank you for doing a ti3 file forÂmeÂto try to check that everything is correct on my case. > >I have resized a little your tiff file because I have a colormunki and the size of the patches were too small. > >The patch 29,14,50 [Lab] is out of gamut but the original patch that I print is diferent. The original was the blue color patch of the simulation color checker chart: 29,14,-50 [Lab] > >I haven't modified the colors of your file. Only the size to be read with CM. > >I have printed yout test4.tif using the ACPU utility from Adobe and exactly the same media settings (I have recorded them as a preset). The test target was also printed with ACPU. I use ACPU because after some tests, seems that ACPU prints different than the PS CS4 disabling color management. > >I have let dry for about 8 hours and I have read it using the same spectroÂthat was used for reading the test patches, and on strip mode. > >The results of the verify.exe command are: > > >..\..\verify.exe -v -D test4_grans_ACPU_2.ti3 Test4_fakeread. >ti3 >No of test patches = 4 >1: 55.685061 1.050502 1.474861 <=> 50.000000 -0.000200 -0.000300 de 5.966573 >2: 50.098214 15.311162 47.347346 <=> 46.397000 13.620000 42.779000 de 6.117908 >3: 83.059447 2.768188 76.146682 <=> 82.000000 4.000400 80.000000 de 4.181966 >4: 43.876601 14.647638 20.301919 <=> 38.000000 14.000000 14.000000 de 8.641068 >No of test patches in worst 10% are = 0 >No of test patches in best 90% are = 4 >Verify results: > Total errors: peak = 8.641068, avg = 6.226878 > Worst 10% errors: peak = 0.000000, avg = 0.000000 > Best 90% errors: peak = 8.641068, avg = 6.226878 > >Are the expected results? If not, when do you think that can be the issue? > >I attach the used ti3 file. > >Thank you for your appreciate help. > >Best Regards, >Xavi. > > > > >>---------------------------------------------------------------------- >De: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx] En nombre de Nikolay Pokhilchenko >Enviado el: miÃrcoles, 24 de octubre de 2012 8:39 >Para: argyllcms@xxxxxxxxxxxxx >Asunto: [argyllcms] Re: ArgyllCMS: shadow details and blue color issues. What I'm doing incorrectly? > > >Wed, 24 Oct 2012 02:06:02 +0200 "Xavi" wrote: > > > >> >> >> >>Then, on Photoshop I create 4 rectangles, that I fill, one by one, with the >>RGB values obtained. I save them on Tiff format and I print the file with >>the same program and the same printing options that I have used to print the >>test chart.Hello, Xavi! >I think You can introduce the error at this stage because there may be a difference between AgyllCMS chart image generation and the Photoshop. >Try to print the target in attached Test4.zip the same way as You have printed the targets for MP_B01_396p64g3bArgyllv140_121011.ti3. >Then read the chart the same way as You've read MP_B01_396p64g3bArgyllv140_121011.ti3 (I'd recommend the reading in the strip mode, not patch-by-patch). >After reading, compare the targets: > >verify.exe -v Test4.ti3 Test4_fakeread.ti3 >And You'll see actual workflow errors. > >By the way, the patch 29.000000 14.000000 50.000000 [Lab] is out-of-gamut for Your printer. You can't check the tolerance by out-of-gamut colors. So, it's Lab value was replaced by the nearest possible (by xicclu -fif then -ff): 46.397 13.620 42.779