A new tarball (1.11.3.1) with the fixed (and tested) code is now on
sourceforge.
Found, compiled, installed. measurement directory problem solved.
- After creating that directory manually, the "Create Profile" button was
greyed out sometimes. It would took a trip into "Profile Parameters" (not
changing anything) to make it come back and allow profile generation
There might be a path through the code that misses the check to change the
state of this button. What would help me is for you to describe the exact
steps/conditions when this happens which might not be easy since it does not
appear to happen in most cases. That would make it easier for me to
reproduce and also give me some clues about were to look. I will also do
some testing to see if I can find where this is happening. The new settings
code affected how this works and I probably over looked something.
It appears to not become active until Profile Identification is
opened at least once. I loaded the image, selected the corners, chose an
output icc filename, and then the button became active when I went in
Profile Identification... even though I hit cancel.
- Trying to run through the resulting profile through "Profile checker"
aborted the program with:
32.719844 32.735409 32.377432 -> 11.670000 -0.720000 -0.170000
30.431907 30.571984 29.758755 -> 9.330000 -1.000000 0.320000
28.494163 28.505837 27.949416 -> 7.400000 -0.890000 -0.250000
26.202335 26.533074 26.750973 -> 4.770000 0.110000 -2.910000
**************************************
lcms: Error #12288; File '' not found
Again like the above could you describe the exact sequence of steps you went
through for this to occur. Does the Profile Checker dialog open? Does this
error happen when you press the Inspect Profile button? If the dialog opens
what values do you have for Profile: Target: and Measurement: ? And do these
appear to be valid to you?
Profile checker opens. Hitting Inspect Profile is when it aborts.
Profile has the one just generated (/home/papenfuss/.color/icc/test2.icc)
Target contains the Q60 file from the Kodak batch of my target
Measurement has the .cgt file (/home/papenfuss/.lprof/temp/meaurement.cgt)
I don't think this has anything to do with specific version of libraries. As
long as lcms is fairly recent. I have been testing with 1.14 and have tested
with 1.13 in the past. But I have not tested yet with 1.15.
I am running 1.15.
The new profiles should be way better than those created with the old
non-local convergence algorithm in every respect. Larger gamut, much lower
delta E numbers and smoother CLUT curves. These new profiles will have about
the same gamut as the old local convergence algorithm but with slightly
better delta E numbers and way smoother CLUT curves. Getting the CLUT curves
smooth was the main point of the new algorithm but on the whole it has
improved every aspect of these profiles. In addition it runs faster than the
local convergence algorithm. At this point I personally believe that the new
algorithm is generating profiles that are as good as anything out there even
the multi-thousand dollar "professional" commercial profilers.
Hal
Yes... way better, and without the numerical weirdness of the
local convergence. I've now only got a couple of patches that have
perceivable dE in iccexamin, and they're probably due to a glare on my
test shot. No more low-luminance progressive errors. I'm a little
curious as to what the two new "knobs" to tweak the spline fit do. I've
so far left them at default.
-Cory
--
*************************************************************************
* Cory Papenfuss *
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*************************************************************************
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