Re: Questions to PDF/A compliant documents: missing ICC files? -- II.

[Tomas Hala <tomas.hala@mendelu.cz>]

Fri, Jul 20, 2018 ve 09:24:23PM +0200 Hans Hagen napsal(a):
# On 7/20/2018 5:05 PM, Tomas Hala wrote:
# >Hi all,
# >
# >I would like to open the PDF/A topic once more.
# 
# maybe discuss it at the upcoming ctx meeting ... 

Good idea, indeed. 

# ... you can prepare a
# summative talk about it (including the demands for following some
# standard)

I guess I can collect only some (unordered) pieces of information about this 
but I really do not feel up to prepare a talk covering the topic systematically...
If it does not matter...

Tomáš

# >First, I would like to thank Alan, Luigi, Pablo and Henri for their pieces
# >of help and information.
# >
# >========
# >Summary:
# >========
# >
# >(a) where I can find the set of original default*.icc files,
# >
# ># Alan: /usr/local/share/color/icc/ghostscript
# >
# >This must be dependent on the version of operating system or on something
# >else because on computers I have permission to work on no this subtree is present.
# >
# ># Luigi: tex/texmf-context/colors/icc
# >
# >In standalone versions I tried during March and April and Pablo in June, there is really this special directory
# >but we found there only one of the files -- default_gray.icc. Other default*.icc files
# >(default_cmyk.icc, default_rgb.icc) which are mentioned at http://wiki.contextgarden.net/PDF/A
# >were not present. Similarly at http://www.eci.org/en/downloads.
# >
# ># Henri:  http://dl.contextgarden.net/misc/iccprofiles/complete_ICC_profiles.zip
# >
# >Good deal -- here one can really find all three default*.icc files mentioned at
# >http://wiki.contextgarden.net/PDF/A, but with no visible link to the
# >mentioned zipfile from this page.
# >
# >========
# >
# >(b) what is the reason why these files are not included in the TeXlive and garden installations,
# >(c) if it is possible to add it there for future, and
# >
# ># Luigi: They are not included in texlive for some copyright issues.
# >
# >What is the difference between texlive copyright approach and context standalone copyright approach?
# >
# >I read a few documents about licences for icc files and it seemed to me that the redistribution is possible,
# >for non-commercial use without restrictions, the redistributor is obliged only to add the corresponding
# >licence document to the software containing the icc file(s) and must not change the name of the file(s).
# >
# >So, is possible to add the missing two default*.icc files to the context standalone version?
# >
# >========
# >
# >(d) if the produced PDF (with \setupbackend[format={pdf/a-1b:2005}...]) is
# >PDF/a compliant when these icc files are not present and the whole content
# >of the document is only in black (i.e. no grayscale, no colours).
# >
# ># No reaction. :-)
# >
# >This question is important only if the default*.icc files are not (will not be) present and used when the PDF file is generated.
# >Has somebody got any idea whether the PDF/A without icc files is accepted as PDF/A or not?
# >
# >========
# >
# >The best,
# >
# >Tomáš
# >
# >-----------------------
# >
# >Tue, Jun 19, 2018 ve 09:38:55AM +1200 Henri Menke napsal(a):
# >#
# >#
# ># On 19/06/18 03:20, Tomas Hala wrote:
# ># >Hi all,
# ># >
# ># >at http://wiki.contextgarden.net/PDF/A I found the following:
# ># >
# ># >"""""
# ># >In ConTeXt mkiv, in order to create such a compliant PDF/A file, one can do as follows: first install (or check that they are present) the following color profiles files
# ># >
# ># >default_cmyk.icc
# ># >default_gray.icc
# ># >default_rgb.icc
# ># >ISOcoated_v2_300_eci.icc
# ># >
# ># >into tex/texmf-context/colors/icc/profiles of your Context standalone directory. The default_*.icc files are part of ghostscript...
# ># >"""""
# ># >
# ># >So I checked that they are present (CentOS 6.6, GPL Ghostscript 8.70) and
# ># >I discovered that these files are not present at any ConTeXt (or TeX) installation from TeXlive
# ># >neither as separate files, nor at file context/colors/icc/context/colorprofiles.xml.
# ># >
# ># >Only default_gray.icc is present as a part of ConTeXt installations from our garden.
# ># >
# ># >Therefore, I would like to ask
# ># >(a) where I can find the set of original default*.icc files,
# ># >(b) what is the reason why these files are not included in the TeXlive and garden installations,
# ># >(c) if it is possible to add it there for future, and
# ># >(d) if the produced PDF (with \setupbackend[format={pdf/a-1b:2005}...]) is PDF/a compliant when these
# ># >icc files are not present and the whole content of the document is only in black (i.e. no grayscale, no colours).
# >#
# ># wget http://dl.contextgarden.net/misc/iccprofiles/complete_ICC_profiles.zip
# ># unzip complete_ICC_profiles.zip -d /opt/context/tex/texmf-local
# >#
# ># >
# ># >Our university decided to be "PDF/a compliant", that is the reason why I am asking.
# ># >
# ># >Best wishes,
# ># >
# ># >Tomáš
# ># >
# ># >___________________________________________________________________________________
# ># >If your question is of interest to others as well, please add an entry to the Wiki!
# ># >
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# ># >wiki     : http://contextgarden.net
# ># >___________________________________________________________________________________
# ># >
# ># ___________________________________________________________________________________
# ># If your question is of interest to others as well, please add an entry to the Wiki!
# >#
# ># maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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# ># ___________________________________________________________________________________
# >
# >                                          Tomáš Hála
# >--------------------------------------------------------------------
# >Mendelova univerzita, Provozně ekonomická fakulta, ústav informatiky
# >Zemědělská 1, CZ-613 00 Brno,  tel. +420 545 13 22 28
# >--------------------------------------------------------------------
# >http://akela.mendelu.cz/~thala
# >___________________________________________________________________________________
# >If your question is of interest to others as well, please add an entry to the Wiki!
# >
# >maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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# >___________________________________________________________________________________
# >
# 
# 
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# 
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                                         Tomáš Hála
--------------------------------------------------------------------
Mendelova univerzita, Provozně ekonomická fakulta, ústav informatiky
Zemědělská 1, CZ-613 00 Brno,  tel. +420 545 13 22 28
--------------------------------------------------------------------
http://akela.mendelu.cz/~thala
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : http://contextgarden.net
___________________________________________________________________________________