I speculate that what profcheck actually check the color difference between the Lab value obtained by patch’s RGB value through the printer ICC profile, and the measured Lab value of that same patch.
Verifying the printtarg-generated .tif target image against the XYZ values in the .ti2 file is...
Thanks for your share.
I found a small error in this script.The argyllCMS .ti1 file XYZ scale is 0~100,but the script generated XYZ scale is 0~1;This may affect chartread .The modified version of the script is attached,and i add a variable "number_start" to change the generated .ti1 SAMPLE_ID.