From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/19113 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Color separation Date: Thu, 17 Mar 2005 17:52:40 +0100 Message-ID: <4239B5D8.4000305@wxs.nl> References: <423995A4.30707@capdm.com> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1111078975 7156 80.91.229.2 (17 Mar 2005 17:02:55 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 17 Mar 2005 17:02:55 +0000 (UTC) Original-X-From: ntg-context-bounces@ntg.nl Thu Mar 17 18:02:54 2005 Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by ciao.gmane.org with esmtp (Exim 4.43) id 1DByDJ-0004DA-Ld for gctc-ntg-context-518@m.gmane.org; Thu, 17 Mar 2005 17:51:13 +0100 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id B072E128FA; Thu, 17 Mar 2005 17:52:44 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (ronja.vet.uu.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 09051-01; Thu, 17 Mar 2005 17:52:41 +0100 (CET) Original-Received: from ronja.vet.uu.nl (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 0A9BC12902; Thu, 17 Mar 2005 17:52:41 +0100 (CET) Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 2B55D12902 for ; Thu, 17 Mar 2005 17:52:40 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (ronja.vet.uu.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 08996-07-2 for ; Thu, 17 Mar 2005 17:52:39 +0100 (CET) Original-Received: from mailrelay02.solcon.nl (maillb.solcon.nl [212.45.32.200]) by ronja.ntg.nl (Postfix) with ESMTP id 39542128FA for ; Thu, 17 Mar 2005 17:52:39 +0100 (CET) Original-Received: from server-1.pragma-net.nl (dsl-212-84-128-085.solcon.nl [212.84.128.85]) by mailrelay02.solcon.nl (8.12.11/SQL-8.12.11-5/8.12.11) with ESMTP id j2HGqZvN032599 for ; Thu, 17 Mar 2005 17:52:35 +0100 Original-Received: by server-1.pragma-net.nl (Postfix, from userid 65534) id C939317D59; Thu, 17 Mar 2005 17:36:28 +0100 (CET) Original-Received: from [10.100.1.191] (unknown [10.100.1.191]) by server-1.pragma-net.nl (Postfix) with ESMTP id 275779DF3 for ; Thu, 17 Mar 2005 16:36:27 +0000 (UTC) User-Agent: Mozilla Thunderbird 0.8 (Windows/20040913) X-Accept-Language: en-us, en Original-To: mailing list for ConTeXt users In-Reply-To: <423995A4.30707@capdm.com> X-Virus-Scanned: ClamAV 0.80/705/Fri Feb 11 17:51:32 2005 clamav-milter version 0.80j on mailrelay02 X-Virus-Status: Clean X-Virus-Scanned: by amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.5 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl X-Virus-Scanned: by amavisd-new at ntg.nl X-MailScanner-From: ntg-context-bounces@ntg.nl X-MailScanner-To: gctc-ntg-context-518@m.gmane.org Xref: news.gmane.org gmane.comp.tex.context:19113 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:19113 Duncan Hothersall wrote: > Sorry for all the messages; I am exploring things I don't really > understand. I hope someone can enlighten me! > > With the following colour set-up: > > \setupcolors[rgb=no,cmyk=yes,spot=yes,state=start] > \definecolor[PantoneTwoNineFour][c=1,m=.56,y=0,k=.18] > \definecolor[IFSbluetabletint][PantoneTwoNineFour][p=.15] > > and then using this tint as a textbackground and also as a > backgroundcolor in frames, I am getting complaints from my printers that > black overprinted on the tint is 'knocking out' the tint and leaving > white on the separated plate. > > I have read and re-read the useful msplit.pdf which suggests that the > implicit criterium=all will negate this effect, but perhaps I have > misunderstood? > > Two questions: > 1. how can I stop black overprinting from knocking out the tint, and > 2. is there a way I can check that it is working properly without > sending it to the printer each time? > > Thanks as ever for any help. Do I need to post example output? whow, a demanding color user -) see mag-0006.pdf for more info on properties \setupcolors[state=start,textcolor=cyan,overprint=yes] \setupbackgrounds[page][background=color,backgroundcolor=magenta] \starttext \input tufte \startproperty[knockout]\input tufte\stopproperty \startproperty[overprint]\input tufte\stopproperty \input tufte \stoptext ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------