[argyllcms] Re: Fwd: Re: colprof: Error - rev: bwd vertex 0 is not prime or secondary
- From: "Rick Richardson" <rickrich@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Tue, 25 Nov 2008 09:06:00 -0600
Did 75 DPI scans. Works AOK thru colprof!!!!
Probably should say "75 DPI is the limit for scans".
Thanks!
$ colprof -v -D"Printer B" -qm -cmt -dpp -kr 2530
Total ink limit being used is 250%
No black ink limit being used
No of test patches = 1053
Estimating white point
Approximate White point XYZ = 0.024146 0.024826 0.012578, Lab = 17.839640
0.423796 8.749913
Creating optimised per channel curves
Initial White Point XYZ 0.024146 0.024826 0.012578, Lab 17.839640 0.423796
8.749913
About to optimise temporary matrix
.................
About to optimise input curves and matrix
...........
About to optimise output curves and matrix
......
About to optimise input curves and matrix again
.
About to optimise input, matrix and output together
.
About to adjust a and b output curves for white point
About to create grid position input curves
Create final clut from scattered data
************************************************************************************************************************************************************************************************************************************************************************************
Doing White point fine tune:
Before fine tune, WP = XYZ 0.964174 0.998808 0.826075, Lab 99.953897
0.194241 -0.174370
After fine tune, WP = XYZ 0.024143 0.024796 0.012595, Lab 17.825955 0.475536
8.704255
Creating fast inverse input lookups
Compensate scattered data for input curves
White point XYZ = 0.024143 0.024796 0.012595, Lab = 17.825955 0.475536
8.704255
Find black point
K only value (Lab) = 8.019562 2.229713 5.665837
Black point XYZ = 0.008013 0.007687 0.003521, Lab = 6.943667 2.428301
5.324621
Done A to B table creation
Setting up B to A table lookup
Creating B to A tables
Rev cache RAM = 2062 Mbytes
There is 1 rev cache instance with 2062 Mbytes limit
100%
Done B to A tables
Creating gamut boundary table
100%
Done gamut boundary table
There is 1 rev cache instance with 2062 Mbytes limit
profile check complete, peak err = 113.637113, avg err = 25.167050
On Tue, Nov 25, 2008 at 8:19 AM, Rick Richardson <rickrich@xxxxxxxxx> wrote:
> $ targen -v -d4 -l260 -f1053 2530
> $ printtarg -v -s -iSS -pLetter 2530
> $ gs 2530.ps
>
> printed...
>
> $ foo2lava-wrapper -c -C10 -G none.icm 2530.ps > 2530.prn
> $ nc 192.168.1.13 9100 <2530.prn
>
> scanned on a Canon LIDE 70 at 600 DPI ...
>
> $ scanin -v -c Scan10001.TIF 2530_01.cht scanner.icm 2530
> $ scanin -v -ca Scan10002.TIF 2530_02.cht scanner.icm 2530
> $ colprof -v -D"Printer B" -qm -cmt -dpp -kr 2530
>
> So 600 DPI is not right? 75 DPI is right??
>
>
>
> On Tue, Nov 25, 2008 at 7:51 AM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote:
>
>> Rick Richardson wrote:
>>
>>> $ colprof -v -D"Printer B" -qm -cmt -dpp -kr 2530Total ink limit being
>>>>> used
>>>>> colprof: Error - rev: bwd vertex 0 is not prime or secondary
>>>>>
>>>>
>> Hmm. Your .ti3 file is not valid. It contains zero values
>> for most patch combinations. This is quickly evident from the message:
>>
>> Approximate White point XYZ = 0.000000 0.000000 0.000000, Lab = 0.000000
>> 0.000000 0.000000
>>
>> A white of zero is fairly obviously bogus.
>>
>> It's not clear how you created the .ti3 file, since you haven't provided
>> the input profile you used or the scanin commands you used. Using some
>> arbitrary
>> input profile I was able to create a .ti3 with valid looking
>> values from the TIFF scan files and .cht files, and create
>> a profile successfully. The only issue I had was that the
>> scan files are so big that they choked scanin, as well as being
>> very noisy (moire due to the print screen interacting with the scanner ?),
>> causing some image recognition issues, so I had to down sample
>> them by a factor of 8 first.
>>
>> Graeme Gill.
>>
>>
>
>
> --
> Rick Richardson rick.richardson@xxxxxxxxxxx
> http://home.comcast.net/~rickrich1/<http://home.comcast.net/%7Erickrich1/>
> Linux printer driver for HP CLJ 2600n http://foo2hp.rkkda.com/
> Linux printer driver (KM 2430 and HP 10xx) http://foo2zjs.rkkda.com/
> Linux tools for geocaching http://geo.rkkda.com/
>
--
Rick Richardson rick.richardson@xxxxxxxxxxx
http://home.comcast.net/~rickrich1/
Linux printer driver for HP CLJ 2600n http://foo2hp.rkkda.com/
Linux printer driver (KM 2430 and HP 10xx) http://foo2zjs.rkkda.com/
Linux tools for geocaching http://geo.rkkda.com/
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