* overprinting backgrounds @ 2009-12-08 8:57 Oliver Heins 2009-12-08 13:05 ` Peter Rolf 0 siblings, 1 reply; 5+ messages in thread From: Oliver Heins @ 2009-12-08 8:57 UTC (permalink / raw) To: mailing list for ConTeXt users I have another question. The print shop wants the background image to be overprinted. Is it sufficiant to set »overprint=yes« once in \setupcolors or does one need to explicitely tell the region with \startoverprint ... \stopoverprint? A minimal example: % \startminimalexample \setupcolors[state=start,cmyk=yes,rgb=no,overprint=yes] \definelayer [mybg] [x=0mm, y=0mm, width=\paperwidth, height=\paperheight, repeat=yes] \setlayer [mybg] [hoffset=5cm, voffset=7cm] {\externalfigure[sample/hacker.jpg][max]} \setupbackgrounds[page][background=mybg] \starttext Is this sufficiant for overprinting? \dorecurse{4}{\input tufte\par} \page \startoverprint Or does one need to explicitely tell context the region? \dorecurse{4}{\input tufte\par} \stopoverprint \stoptext %\stopminimalexample Thanks again, olli -- Oliver Heins heins@sopos.org http://oliverheins.net/ http://blog.overheins.net/ F27A BA8C 1CFB B905 65A8 http://scriptorium-adp.de/ 2544 0F07 B675 9A00 D827 1024D/9A00D827 2004-09-24 -- gpg --recv-keys 0x9A00D827 Please avoid sending me Word or PowerPoint attachments: http://www.gnu.org/philosophy/no-word-attachments.html ___________________________________________________________________________________ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________ ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: overprinting backgrounds 2009-12-08 8:57 overprinting backgrounds Oliver Heins @ 2009-12-08 13:05 ` Peter Rolf 2009-12-11 17:11 ` Oliver Heins 0 siblings, 1 reply; 5+ messages in thread From: Peter Rolf @ 2009-12-08 13:05 UTC (permalink / raw) To: mailing list for ConTeXt users Oliver Heins schrieb: > I have another question. > > The print shop wants the background image to be overprinted. Is it > sufficiant to set »overprint=yes« once in \setupcolors or does one need > to explicitely tell the region with \startoverprint ... \stopoverprint? > > simply use \startoverprint ... \stopoverprint for the text regions. you may need to add \startknockout ... \stopknockout for picture elements in that region. the "overprint=yes" option is for document wide setting, so this is not what you want. anyhow, if you own a copy of acrobat, you can visualize the overprinted elements in the output preview (color warnings). Peter > A minimal example: > > % \startminimalexample > \setupcolors[state=start,cmyk=yes,rgb=no,overprint=yes] > > \definelayer [mybg] > [x=0mm, y=0mm, > width=\paperwidth, height=\paperheight, > repeat=yes] > \setlayer [mybg] > [hoffset=5cm, voffset=7cm] > {\externalfigure[sample/hacker.jpg][max]} > \setupbackgrounds[page][background=mybg] > > \starttext > > Is this sufficiant for overprinting? > > \dorecurse{4}{\input tufte\par} > > \page > > \startoverprint > Or does one need to explicitely tell context the region? > > \dorecurse{4}{\input tufte\par} > \stopoverprint > > \stoptext > %\stopminimalexample > > Thanks again, > olli > > ___________________________________________________________________________________ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________ ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: overprinting backgrounds 2009-12-08 13:05 ` Peter Rolf @ 2009-12-11 17:11 ` Oliver Heins 2009-12-11 17:16 ` Martin Schröder 0 siblings, 1 reply; 5+ messages in thread From: Oliver Heins @ 2009-12-11 17:11 UTC (permalink / raw) To: mailing list for ConTeXt users Peter Rolf <indiego@gmx.net> writes: > Oliver Heins schrieb: >> I have another question. >> >> The print shop wants the background image to be overprinted. Is it >> sufficiant to set »overprint=yes« once in \setupcolors or does one need >> to explicitely tell the region with \startoverprint ... \stopoverprint? >> >> > simply use \startoverprint ... \stopoverprint for the text > regions. you may need to add \startknockout ... \stopknockout for > picture elements in that region. the "overprint=yes" option is for > document wide setting, so this is not what you want. > anyhow, if you own a copy of acrobat, you can visualize the > overprinted elements in the output preview (color warnings). I managed to get a copy of acrobat. Now I understand the benefits and risks of overprinting. Thank you for pointing out! Best regards, olli -- Oliver Heins heins@sopos.org http://oliverheins.net/ http://blog.overheins.net/ F27A BA8C 1CFB B905 65A8 http://scriptorium-adp.de/ 2544 0F07 B675 9A00 D827 1024D/9A00D827 2004-09-24 -- gpg --recv-keys 0x9A00D827 Please avoid sending me Word or PowerPoint attachments: http://www.gnu.org/philosophy/no-word-attachments.html ___________________________________________________________________________________ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________ ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: overprinting backgrounds 2009-12-11 17:11 ` Oliver Heins @ 2009-12-11 17:16 ` Martin Schröder [not found] ` <874onxfll5.fsf@sopos.org> 0 siblings, 1 reply; 5+ messages in thread From: Martin Schröder @ 2009-12-11 17:16 UTC (permalink / raw) To: mailing list for ConTeXt users 2009/12/11 Oliver Heins <olli@sopos.org>: > I managed to get a copy of acrobat. Now I understand the benefits and > risks of overprinting. Thank you for pointing out! It's typical for printing houses to set 100% black to overprint in the preprint workflow (can also be done with Acrobat). Best Martin ___________________________________________________________________________________ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________ ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <874onxfll5.fsf@sopos.org>]
[parent not found: <68c491a60912111004q1828258ag89945efe84ebc563@mail.gmail.com>]
* Re: overprinting backgrounds [not found] ` <68c491a60912111004q1828258ag89945efe84ebc563@mail.gmail.com> @ 2009-12-12 17:40 ` Oliver Heins 0 siblings, 0 replies; 5+ messages in thread From: Oliver Heins @ 2009-12-12 17:40 UTC (permalink / raw) To: mailing list for ConTeXt users Hi Martin, Martin Schröder <martin@oneiros.de> writes: > Am 11. Dezember 2009 18:48 schrieb Oliver Heins <olli@sopos.org>: >> schön von dir zu hören :). Ich hoffe, dir geht es gut! > > Yep. Und nächstes Jahr komme ich auch mal nach Hannover. :-) Und ich vielleicht nach Dortmund, schließlich ist da Tagung :) >>> It's typical for printing houses to set 100% black to overprint in the >>> preprint workflow (can also be done with Acrobat). >> >> Das heißt, dass die Druckerei schwarzen Text, der in meinem PDF auf >> Knockout steht, noch auf Overprint umschalten kann? > > Sollte sie, weil das ist eine ganz normale Anforderung: Schwarzer Text > soll überdrucken. Das geht auch im Acrobat (Preflight und dann in den > Profilen suchen). Hab ich jetzt gefunden, danke. War hilfreich, um das Problem zu verstehen. >> Mein Problem ist, dass die Druckerei anmeckert, dass ein Bereich mit >> schwarzem Text vor einem Hintergrundbild eben nicht auf Überdrucken >> gestellt ist. Was aber eben nur halb wahr ist: Der Bereich ist sehr >> wohl auf Überdrucken gestellt (kann man im Acrobat unter >> Ausgabevorschau->Vorschau->Farbwarnungen->Überdrucken_anzeigen sehen >> kann), gleichwohl wird schwarzer Text (und nur schwarzer! andere Farben >> werden korrekt separiert!), wenn man die schwarze Farbe in der Vorschau >> entfernt, regelrecht aus dem Hintergrundbild herausgeschnitten: >> http://www.sopos.org/olli/overprinting.jpg > > 403 :-( Wenn man's nicht jedesmal überprüft... scp erhält offensichtlich die Dateirechte, und die waren auf 0600 gesetzt :( Jetzt sollte es funktionieren. Das Problem scheint allerdings gelöst: ein Fehler in der Anzeige des Acrobat im Zusammenhang mit der /DeviceGray-Farbpalette. Wenn man cmyk-Schwarz benutzt oder das Dokument dahin konvertiert, geht alles. :-) > Ich bin Montag wieder am Arbeitsplatz und habe dann Zugriff auf einen > Acrobat. Ich sende dir Montag mal einen Link zur aktuellen Version der Broschüre. Wäre toll, wenn du kurz einen Blick drauf werfen könntest, ob dir etwas auffällt. Im Prepress-Bereich bin ich blutiger Anfänger :( Herzlichen Gruß, olli -- Oliver Heins heins@sopos.org http://oliverheins.net/ http://blog.overheins.net/ F27A BA8C 1CFB B905 65A8 http://scriptorium-adp.de/ 2544 0F07 B675 9A00 D827 1024D/9A00D827 2004-09-24 -- gpg --recv-keys 0x9A00D827 Please avoid sending me Word or PowerPoint attachments: http://www.gnu.org/philosophy/no-word-attachments.html ___________________________________________________________________________________ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________ ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2009-12-12 17:40 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2009-12-08 8:57 overprinting backgrounds Oliver Heins 2009-12-08 13:05 ` Peter Rolf 2009-12-11 17:11 ` Oliver Heins 2009-12-11 17:16 ` Martin Schröder [not found] ` <874onxfll5.fsf@sopos.org> [not found] ` <68c491a60912111004q1828258ag89945efe84ebc563@mail.gmail.com> 2009-12-12 17:40 ` Oliver Heins
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