[argyllcms] Re: dispread issues, in an android tablet chroot
- From: Dan Wilcox <dmwilcox@xxxxxxxxx>
- To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
- Date: Sun, 2 Sep 2012 19:07:53 -0700
> that looks like a bug. Try changing the "char c;" to "int c;"
> declaration at the top of read_line().
doh, of course char is unsigned and gets promoted as such, I'll give that a
try and report back.
> The .ti3 numbers seem wacky. For instance:
>
> 192 8.0770 16.029 64.107 9.9789 2.4932 49.271
>
> A Z of 49 with a Y of 3 ?
>
> Patch 186 has a *a value of -180 !
>
> (ie. try running profcheck -v2 on the resulting profile to locate the
outliers).
>
> Try creating a .ti1 with (say) a white patch followed by several of
> patch 186 value, and then check the resulting readings for consistency.
> (ie. is there a display update delay problem).
>
Thanks for the suggestions, I'll try a couple things, in the mean time your
'display update delay' comment got me thinking, with a VNC session even to
the localhost the delay will be/actually kinda is noticeable even to me so
I used the -C flag and wrote a 2 liner to call, like this:
#!/bin/bash
echo "set $*"
sleep 1
And now, with a little delay, I'm getting an error average a little over 2.
Thanks for your assistance, I'll report back with more results soon. I can
send the ti3 and icc files your way if you're interested, I'll try some of
the sanity check stuff you mentioned. I'm gonna give ufraw a try with the
profile later this evening, very exciting! Cheers!
Daniel
$ ./profile/colprof -v -D"Asus_TFP_brightness100" -qm -as ../target-chart
No of test patches = 200
Creating matrix and curves...
100%
Matrix = 0.318320 0.331554 0.193923
0.230089 0.659951 0.161102
0.048187 0.130548 0.928820
Input offset = -0.127042 -0.075899 -0.070260
Output offset = 0.010876 0.004326 0.004552
0 gamma = 1.611477 1.732383 1.735590
1 harmonics = -0.049124 -0.163776 -0.145307
2 harmonics = 0.206469 0.322150 0.310138
3 harmonics = -0.133731 -0.204862 -0.188686
4 harmonics = -0.085672 0.000663 0.009844
5 harmonics = 0.051863 0.086704 0.093040
6 harmonics = -0.025064 -0.044341 -0.065596
7 harmonics = -0.039554 -0.050713 -0.031517
Find white & black points
Initial white point = 0.843798 1.051141 1.107556
Initial black point = -0.001045 -0.001064 -0.000167
Display Luminance = 360.483582
White point XYZ = 0.802744 1.000000 1.053670
Black point XYZ = -0.000994 -0.001012 -0.000159
Fixup matrix for white point
After white point adjust:
Matrix = 0.374530 0.420398 0.169272
0.240680 0.618882 0.140438
0.035234 0.098988 0.690678
Done gamma/shaper and matrix creation
Profile done
Profile check complete, peak err = 6.797436, avg err = 2.389335, RMS =
2.771141
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