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QTR-Quadtone RIP

Index last updated: 2026-04-28 23:12 UTC

Message

Data Tool does not smooth curve?

2019-10-03 by sanking@...

I wonder if anyone, Roy perhaps, might explain why Data Tool does not smooth the curve that is created with the attached profile. I am printing with an Epson P400 and installing with the command InstallP400=R2000.command. I have been using this printer for several months and have created a number of profiles for carbon printing and have had no problem in smoothing the curves with Data Tool. The attached profile, which has density values entered in log density from high to low, installs fine and creates a .quad file with a curve that looks about right, except for some uneveness. However, when I open the .txt file to smooth the curve nothing appear to happen? Data Tool works fine with all of my other .txt files made for this printer.


Are the log density input values too low for Data Tool?


Sandy

#PRINTER=Quad-P400
#CURVE_NAME= YELLOW-CMY
#Profile when printing a step wedge gives a DR (density range) of #approximately log 1.85. MK=32, Y=10, PK=32. Yellow is PY-184, 50 g/L, AD #10% 1+1 with acetone, 1:100. Expose 80 units ULF.


Ink Mapping
MK=PK
C=C
M=M
Y=Y
R=R
OR=OR
PK=PK
GL=GL

N_OF_INKS=8
DEFAULT_INK_LIMIT=100
LIMIT_MK=32
LIMIT_C=0
LIMIT_M=0
LIMIT_Y=10
LIMIT_R=0
LIMIT_OR=0
LIMIT_PK=32
LIMIT_GL=0

GRAY_HIGHLIGHT=1
GRAY_SHADOW=1
GRAY_GAMMA= 1


CURVE_MK= "0;0 100;100"
COPY_CURVE_C=MK
COPY_CURVE_M=MK
COPY_CURVE_Y=MK
COPY_CURVE_R=MK
COPY_CURVE_OR=MK
COPY_CURVE_PK=MK
COPY_CURVE_GL=MK


LINEARIZE=".90 .85 .80 .75 .70 .66 .60 .56 .51 .46 .41 .37 .32 .28 .22 .15 .12 .08 .05 .03 .01"


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