181212 and 030101: A/DE23/DE23.HTM

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Start and linearized printer output of the ISO/IEC-test chart no. 2 und 4
(whitish Series W - CMYN and W - OLVN, printer range)
according to ISO/IEC 15775:1999-12
There are at least three different methods to linearize the printer output:
1. By Linearization Method data (CIELAB data and PS code) in the PS file (F)
2. By colour manangement data in the Distiller Startup (S) directory
3. By Linearization Method data in the PostScript device (D) memory

Remark 1: The output result produced is the same for the three methods, see the URL DE09
Remark 2: The file names and tables in this directory include only files for No and File Linearization Method (N and F).

For similar Methods to produce a start and linearized output of a single Figure or many Figures of the ISO/IEC-test charts or the complete ISO/IEC-test charts, see DE00

There are three steps S1, S2, and S3 recommended here:
Step S1: Start output of the four 16step colour series N - CMYW between the colour black and the four colours CMYW (W=White paper).
Remark: The output measurement data are used to produce the linearized output. For linearization the CIELAB data of the four 16step colour series N ­ CMYW (4 x 16 x 3 data) of step S1 are necessary and must be included in the file of step S2.
Step S2: linearized output of the four 16step colour series which are approximately equidistant in CIELAB colour space.
Step S3: Specification of the reproduction properties of the start output and the linearized output according to the method given in Annex G of DIN 33866-1:2000-08 and ISO/IEC 15775:1999-12.

Short description of the method using the PS output method for the device T:
1. The file www.ps.bam.de/DE23/10T/T10E00NA.PS is used to produce the start PS ouput on a PS printer.
2. The four 16step colour series of the output NA are measured in the sequence F to 0 (from the colour to the white).
3. The four 16step CIELAB colour data of the output NA are included in the file FA.
4. The file www.ps.bam.de/DE23/10T/T10E00FA.PS is used to produce the linearized PS ouput on a PS printer.
5. The four 16step colour series of the output FA are measured in the sequence F to 0 (from the colour to the white).
6. The four 16step CIELAB colour data of the output NA (step S1) and FA (step S2) are included in the file RA (R=result).

Remark: For a start and linearized PDF output on any printer (instead of the PS output on a PS printer) the software Adobe Acrobat Distiller or an equivalent is necessary. The software is used to produce PDF files from the PS files.

1. Output linearization of the chromatic ISO/IEC-test chart no. 2 and no. 4.

If the start printer output of the ISO/IEC-test chart fails to pass some of the ISO/IEC-tests according to ISO/IEC 15775, e. g. to recognize the 16 steps of the 16step colour series or all the Landolt -rings, then there is the intention for an linearized printer output. The following URL shows examples for the specification of the reproduction properties of the start output and the linearized output according to the method given in Annex G of DIN 33866-1:2000-08 and ISO/IEC 15775:1999-12.

Remark 1: The accuracy of the ISO/IEC-Test chart output is described in DE10

Remark 2: An important exercise in four steps which is recommended for visual linearization of the output and which may be used for any printer, monitor or a video-beamer is given four a black and white printer by the URL DE09.


2. No (=N) Linearization Method for the start output (step S1) of 8 Figures of the chromatic ISO/IEC-test charts no. 2 and 4
on one real printer X=T; file formats PS, PDF, GIF and HTM-GIF (html)
on three model printers X=L, Q, S (linear, quadratic, square root output); file formats PS, PDF

File of ISO/IEC-test chart no. 2
(N=No Linearization Method)		 Format PS,
File extention NA.PS and NA.TXT		 Format PS and Portable Document Format (Version 3.0), File extention NP.PS and NP.PDF Format GIF (GIF89)
(olv*, 72 ppi), File extention NG.PS and NG.GIF		 Format HTM_GIF89
(olv*, 72 ppi), File extention NH.PS and NH.HTM 
T10E00
series: w ­ cmyn and w ­ olvn

T10E00NA .PS / .TXT
119 kByte

T10E00NP .PS / TXT / PDF
119 / 39 kByt.e 

T10E00NG.PS /.TXT /.GIF
120 / 120 / 36 kB

T10E00NH.PS /.TXT /.HTM
120 / 120 / 40 kB
L10E00
series: w ­ cmyn and w ­ olvn

L10E00NA .PS / .TXT
119 kByte

L10E00NP .PS / TXT / PDF
119 / 39 kByt.e 
    
Q10E00
series: w ­ cmyn and w ­ olvn

Q10E00NA .PS / .TXT
119 kByte

Q10E00NP .PS / TXT / PDF
119 / 39 kByt.e 
    
S10E00
series: w ­ cmyn and w ­ olvn

S10E00NA .PS / .TXT
119 kByte

S10E00NP .PS / TXT / PDF
119 / 39 kByt.e 
    

Remark: The output of L, Q, S for NA and NP is the same. The output is different by use of the file linearization method (see next table). Then the different LAB* data for L, S, Q in the table at the beginning are used by the linearization method.

3. File (=F) Linearization Method to produce the linearized output (step S2) of 8 Figures of the chromatic ISO/IEC-test charts no. 2 and 4
on one real printer X=T; file formats PS, PDF, GIF and HTM-GIF (html)
on three model printers X=L, Q, S (linear, quadratic, square root output); file formats PS, PDF

File of ISO/IEC-test chart no. 2
(F=File Linearization Method)		 Format PS,
File extention FA.PS and FA.TXT		 Format PS and Portable Document Format (Version 3.0), File extention FP.PS and FP.PDF Format GIF (GIF89)
(olv*, 72 ppi), File extention FG.PS and FG.GIF		 Format HTM_GIF89
(olv*, 72 ppi), File extention FH.PS and FH.HTM 
T10E00
series: w ­ cmyn and w ­ olvn

T10E00FA .PS / .TXT
119 kByte

T10E00FP .PS / TXT / PDF
119 / 39 kByt.e 

T10E00FG.PS /.TXT /.GIF
120 / 120 / 36 kB

T10E00FH.PS /.TXT /.HTM
120 / 120 / 40 kB
L10E00
series: w ­ cmyn and w ­ olvn

L10E00FA .PS / .TXT
119 kByte

L10E00FP .PS / TXT / PDF
119 / 39 kByt.e 
    
Q10E00
series: w ­ cmyn and w ­ olvn 

Q10E00FA .PS / .TXT
119 kByte

Q10E00FP .PS / TXT / PDF
119 / 39 kByt.e 
    
S10E00
series: w ­ cmyn and w ­ olvn

S10E00FA .PS / .TXT
119 kByte

S10E00FP .PS / TXT / PDF
119 / 39 kByt.e 
    

The PostScript operator cmyn* setcmykcolor is used for both the start and the linearized output

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