From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/84474 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: PDF Transparency and ConTeXt Date: Sun, 29 Sep 2013 09:48:21 +0200 Message-ID: <5247DB45.8040507@wxs.nl> References: Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1380440906 7326 80.91.229.3 (29 Sep 2013 07:48:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 29 Sep 2013 07:48:26 +0000 (UTC) To: ntg-context@ntg.nl Original-X-From: ntg-context-bounces@ntg.nl Sun Sep 29 09:48:31 2013 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([5.39.185.229]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VQBjy-0005c6-Ll for gctc-ntg-context-518@m.gmane.org; Sun, 29 Sep 2013 09:48:30 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id CD923101EF; Sun, 29 Sep 2013 09:46:15 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 51ZHs7IKiSIZ; Sun, 29 Sep 2013 09:46:13 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id 503FB101DE; Sun, 29 Sep 2013 09:46:13 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 4DDFC101DE for ; Sun, 29 Sep 2013 09:46:12 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id zomtINmpnWQI for ; Sun, 29 Sep 2013 09:46:11 +0200 (CEST) Original-Received: from filter4-til.mf.surf.net (filter4-til.mf.surf.net [194.171.167.220]) by balder.ntg.nl (Postfix) with ESMTP id 0AB2710193 for ; Sun, 29 Sep 2013 09:46:10 +0200 (CEST) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter4-til.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id r8T7mO3u012956 for ; Sun, 29 Sep 2013 09:48:24 +0200 X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=10.0.4.6; Original-Received: from [10.0.4.6] (unverified [10.0.4.6]) by pragma-net.nl (SurgeMail 6.3c2) with ESMTP id 7855-1713362 for ; Sun, 29 Sep 2013 09:48:23 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 In-Reply-To: X-Authenticated-User: hagen@controller-9 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=213.125.29.162; country=NL; region=15; city=Zwolle; latitude=52.5058; longitude=6.0858; http://maps.google.com/maps?q=52.5058,6.0858&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0VKuTMo39 - f24179f8554f - 20130929 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 194.171.167.220 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.14 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:84474 Archived-At: On 9/29/2013 6:59 AM, Thangalin wrote: > Hi, > > I have written up a question on TeX.SE: > http://tex.stackexchange.com/questions/135543/pdf-colour-space-and-context > > Aditya mentioned that the problem with transparencies is that it is > likely a known bug with Adobe Acrobat Reader: "I remember similar > questions being asked in the past, and the conclusion was that it was > a known bug in Adobe Reader." > > Has anyone else come across this issue and found a way to resolve it in ConTeXt? > > I ran into what I think is a similar issue with LaTeX and was able to > resolve it using the following command in the preamble: > > \pdfpageattr{/Group << /S /Transparency /I true /CS /DeviceRGB>>} > > I have not yet tried to reproduce the problem in either LuaLaTeX or LaTeX. \setupcolors[pagecolormodel=auto] might help in acrobat, when transparency is used, a different route is followed (at least in the past) when rendering also, rendering colorspaces might be adapted to the output medium so it's a combination of colorspace, monitor/paper, calibration, knockout/overprint, transparency groups, assumptions etc in the end, a print on a proper device is the reference Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- ___________________________________________________________________________________ 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 ___________________________________________________________________________________