181212 and 030101: A/IE92/IE92.HTM

For this page, see IE92 in English or IG92 in German.
For the previous page, see IE91 in English or IG91 in German.
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Back to the main page of this colour series, see ../IE in English or ../IG in German.

For this page without and with MTL code for OL with:
CIEXYZ data of luminous colours, see IE92 in English and IG92 in German,
CIELAB data of surface colours, see DE92 in English and DG92 in German.

For this page with the image resolution:
192 x 128 pixels, see IE92 in English or IG92 in German.

Chromatic ISO/IEC-test chart 2, LAB* input
Colour Workflow (CW) by the input operator no. 5
and different output PS operators and Output Linearisation (OL)


Fig. 1: Output layout without the MTL code in the N File (N = No MTL code in the file), see
B92E00N1.PS / TXT / JPG / PDF


Fig. 2: Output layout uses the MTL code with example "linear direct" CIEXYZ output data
for luminance reflectance Yr=2.52 in the F File (F = MTL code in the File)
which produce "equal" output compared to Fig. 1, see B92E00F1.PS / TXT / JPG / PDF

For information about the parameter i*ptrsc (number 0 to 7) used for input or output PS operators, see IE802

For information about the ISO/IEC-test charts and separate parts (Fig. XY) with different input PS operators and discussion, see IE801

This page includes files for the following application:
Chromatic ISO/IEC-test chart 2, LAB* input, Colour Workflow (CW) and Output Linearisation (OL)

For Output Linearisation (OL) CIELAB data are used in the files.

Table 1 includes the output files of the Portable Document format (B..NP.PS/TXT/PDF and B..FP.PS/TXT/PDF)
Table 2 includes the output files of the PostScript format (B..NA.PS/TXT and B..FA.PS/TXT).
Table 3 includes the output files of the Portable Document format (B..NP.PS/TXT/PDF and B..SP.PS/TXT/PDF).

To indicate the Colour Workflow (CW) at the output different file names are used. The files have usually the same PS content

The PS content of the files B..NP.PS, B..NA.PS and B..SP.PS of the Tables 1 to 3 is identical and includes no MTL code.
The PS content of the files B..FP.PS and B..FA.PS of the Tables 1 and 2 is identical and includes the MTL code LB.FP.DAT or B..FA.DAT in the file (F).

The output of the files B..FP.PDF and B..SP.PDF must be identical if the MTL code B..SP.DAT is stored within the Distiller Startup Directory during distilling of the PS file B..SP.PS. The files B..FP.PDF and B..SP.PDF have been produced by the software Adobe Acrobat DIstiller Version 3.0. In the first case the MTL code is located in the file B..FP.PS and in the second case the MTL code B..FP.DAT = B..SP.DAT is not in the file B..SP.PS but in the Startup (S) directory of the software Adobe Acrobat DIstiller.

Input PS operator no. 5
and start files
*NP.PS / .TXT /.PDF
140 / 140 / 25 kByte
 Output
PS operator
parameter
i*ptrsc		 Colorimetric transfer from the
input PS operator no. 5 to the
output PS operators no. 0 to 7
defined by i*ptrsc

Output Linearisation with
L=Linear data (no change of scaling of output) in files
*FP.PS / TXT / PDF
240 / 240 / 25 kByte

PostScript MTL code used for output
100 kByte
B92E00NP.PS / TXT / PDF  0 cmy0* setcmykcolor and 000n* setcmykcolor B92E00FP.PS / TXT / PDF B92E00FP.DAT
B92E01NP.PS / TXT / PDF  1 olv* setrgbcolor and w* setgray B92E01FP.PS / TXT / PDF B92E01FP.DAT
B92E02NP.PS / TXT / PDF  2 cmy0* setcmykcolor and nnn0* setcmykcolor B92E02FP.PS / TXT / PDF B92E02FP.DAT
B92E03NP.PS / TXT / PDF  3 olv* setrgbcolor and www* setrgbcolor B92E03FP.PS / TXT / PDF B92E03FP.DAT
B92E04NP.PS / TXT / PDF   4 lab* setcolor B92E04FP.PS / TXT / PDF B92E04FP.DAT
B92E05NP.PS / TXT / PDF  5 LAB* setcolor B92E05FP.PS / TXT / PDF B92E05FP.DAT
B92E06NP.PS / TXT / PDF  6 000n* setcmykcolor B92E06FP.PS / TXT / PDF B92E06FP.DAT
B92E07NP.PS / TXT / PDF  7 w* setgray B92E07FP.PS / TXT / PDF B92E07FP.DAT

Table 1: For PDF output with linearising data for the model device B; Input PS operator no. 5 in the NP file and output PS operators no. 0 to 7 in the in FP file which are transferred by the PS MTL code.

Remark: With the files* of Table 1 it is intended to produce only a PDF output with linearisation data in the File (F) and not a PS output.
* Files on www server: ..00(NP,FP,NA,FA,SP).

Input PS operator no. 5
and start files
*NA.PS / .TXT
140 / 140 kByte
 Output
PS operator
parameter
i*ptrsc		 Colorimetric transfer from the
input PS operator no. 5 to the
output PS operators no. 0 to 7
defined by i*ptrsc

Output Linearisation with
L=Linear data (no change of scaling of output) in files *FA.PS / TXT
240 / 240 kByte

PostScript MTL code used for output
100 kByte
B92E00NA.PS / TXT  0 cmy0* setcmykcolor and 000n* setcmykcolor B92E00FA.PS / TXT B92E00FA.DAT
B92E01NA.PS / TXT  1 olv* setrgbcolor and w* setgray B92E01FA.PS / TXT B92E01FA.DAT
B92E02NA.PS / TXT  2 cmy0* setcmykcolor and nnn0* setcmykcolor B92E02FA.PS / TXT B92E02FA.DAT
B92E03NA.PS / TXT  3 olv* setrgbcolor and www* setrgbcolor B92E03FA.PS / TXT B92E03FA.DAT
B92E04NA.PS / TXT   4 lab* setcolor B92E04FA.PS / TXT B92E04FA.DAT
B92E05NA.PS / TXT  5 LAB* setcolor B92E05FA.PS / TXT B92E05FA.DAT
B92E06NA.PS / TXT  6 000n* setcmykcolor B92E06FA.PS / TXT B92E06FA.DAT
B92E07NA.PS / TXT  7 w* setgray B92E07FA.PS / TXT B92E07FA.DAT

Table 2: For PS start output with linearising data for the model device B in File (F); Input PS operator no. 5 in the NA file and output PS operators no. 0 to 7 in the in FA file which are transferred by the PS MTL code.

Remark: With the files* of Table 2 it is intended to produce only a PS output and not a PDF output.

The files of the tables 1 to 3 are available additionally for three different room reflexions Yr=0.00, 5.04, and 7.56 instead of the standard room reflection Yr=2.52. Every device produces with all NP files the same start output. For the standard room reflexion Yr=2.52 of the table 2 the output of the NP and FP in one row is identical. For devices which produce equal output for corresponding colours the output of all FP files in one collum is identical.

In application the output of the NP files for different output parameters i*ptrsc is in one collum often different. The output of the FP file of the linearized output devices A, C, and D is different compared to the output of the NP file. The PS MTL code uses the measurement data of up to 256 colours of the start output, see the CIEXYZ data at the beginning of the FP files, for the change and the linearisation of the output.

Input PS operator no. 5
and start files
*NP.PS / .TXT /.PDF
140 / 140 / 25 kByte
 Output
PS operator
parameter
i*ptrsc		 Colorimetric transfer from the
input PS operator no. 5 to the
output PS operators no. 0 to 7
defined by i*ptrsc

Output Linearisation with
L=Linear data (no change of scaling of output) in files
*SP.PS / TXT / PDF
240 / 240 / 25 kByte

PostScript MTL code used for output
100 kByte
B92E00NP.PS / TXT / PDF  0 cmy0* setcmykcolor and 000n* setcmykcolor B92E00SP.PS / TXT / PDF *) B92E00SP.DAT
B92E01NP.PS / TXT / PDF  1 olv* setrgbcolor and w* setgray B92E01SP.PS / TXT / PDF B92E01SP.DAT
B92E02NP.PS / TXT / PDF  2 cmy0* setcmykcolor and nnn0* setcmykcolor B92E02SP.PS / TXT / PDF B92E02SP.DAT
B92E03NP.PS / TXT / PDF  3 olv* setrgbcolor and www* setrgbcolor B92E03SP.PS / TXT / PDF B92E03SP.DAT
B92E04NP.PS / TXT / PDF   4 lab* setcolor B92E04SP.PS / TXT / PDF B92E04SP.DAT
B92E05NP.PS / TXT / PDF  5 LAB* setcolor B92E05SP.PS / TXT / PDF B92E05SP.DAT
B92E06NP.PS / TXT / PDF  6 000n* setcmykcolor B92E06SP.PS / TXT / PDF B92E06SP.DAT
B92E07NP.PS / TXT / PDF  7 w* setgray B92E07SP.PS / TXT / PDF B92E07SP.DAT

Table 3: For PDF output with linearising data for the model device B in Startup (S); Input PS operator no. 5 in the NP file and output PS operators no. 0 to 7 in the in FP file which are transferred by the PS MTL code.

*) Please transfer e. g. the PDF file B92E00SP.PS with the file B92E00SP.DAT in the Distiller Startup (S) Directory,which uses the parameter i*ptrsc=0. Then this PDF-file produces the same output ans the file B92E00FP.PDF of the Table 2. All L..SP files of the Table 3 are distilled here with only the default file Example.ps in the Distiller Startup (S) Directory.

Remark: With the files* of Table 3 it is intended to produce only a PDF output with linearisation data in the Distiller Startup (S) Directory and not a PS output.

The input operator no. 5 and eight output PS operators no. 0 to 7 are used in the files. The input PS operator no. 5 of the NA or NP file are transferred to the output PS operators no. 0 to 7 in the FA, FP or SP file by the PS MTL code.

For further information and discussion of the results in the achromatic case with similar files see IE811

For further information and discussion of the results in the chromatic case with similar files see IE841

Compare the final result in IE811 and IE841. The Colour Workflow (CW) and the Output Linearisation (OL) of the PS MTL code is based on ISO/IEC 15775 and DIS ISO/IEC 19839-X. The PS MTL code is compatible to CIELAB and fulfils the basic user requirements in the field of image technology. The result is the same in the achromatic and chromatic case.

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