From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/51649 Path: news.gmane.org!not-for-mail From: luigi scarso Newsgroups: gmane.comp.tex.context Subject: Re: Duotones with spot colors Date: Tue, 7 Jul 2009 16:04:31 +0200 Message-ID: References: Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0858430079==" X-Trace: ger.gmane.org 1246975531 920 80.91.229.12 (7 Jul 2009 14:05:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 7 Jul 2009 14:05:31 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Tue Jul 07 16:05:23 2009 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by lo.gmane.org with esmtp (Exim 4.50) id 1MOBIP-0006xf-KQ for gctc-ntg-context-518@m.gmane.org; Tue, 07 Jul 2009 16:05:21 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id A3C981FB77; Tue, 7 Jul 2009 16:05:20 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 03787-02-3; Tue, 7 Jul 2009 16:04:42 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 1C65C1FAD7; Tue, 7 Jul 2009 16:04:42 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 48BC31FAD7 for ; Tue, 7 Jul 2009 16:04:41 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 03787-02-2 for ; Tue, 7 Jul 2009 16:04:33 +0200 (CEST) Original-Received: from filter1-til.mf.surf.net (filter1-til.mf.surf.net [194.171.167.217]) by ronja.ntg.nl (Postfix) with ESMTP id 1BA081FA2B for ; Tue, 7 Jul 2009 16:04:33 +0200 (CEST) Original-Received: from mail-fx0-f217.google.com (mail-fx0-f217.google.com [209.85.220.217]) by filter1-til.mf.surf.net (8.13.8/8.13.8/Debian-3) with ESMTP id n67E4W9x024063 for ; Tue, 7 Jul 2009 16:04:32 +0200 Original-Received: by fxm17 with SMTP id 17so3318356fxm.2 for ; Tue, 07 Jul 2009 07:04:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=JmsLfzENdZQ2GXSzzbbsaIXTyvHs8dm03W8OvaHpbPQ=; b=Kq3KztNbvfr/X/uu0S9AUCMUsmChhrNkPvIvwoXcvcDTqoFLpC31C7HsJedL6Cslgo KhEx1gs0ukUY1J7GlDY1+hhOejWbSsAbXZV6W6G++pQAdtnd+0orGhsYCqL7b7vjJcEH Jazx0bEIVS5Fe4h+MDOxB+7HraN7E9M6omsWs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=jE5Ebv3fOGWufxil7MXrobYc/fGICyn9qgj68yZUfgemnmL/Mofvwu+qwcx8FHUccx Hu12rdDUd+fcEDFNUtluAE0iN1i+P3gG+MbJYE8FPYxZD0V9EsmFpMhJMyXXOnE7R+TG 0PrMSS/b3JVzY2I874twbOAxXiYujUtPz8yuE= Original-Received: by 10.204.120.16 with SMTP id b16mr5772540bkr.64.1246975471775; Tue, 07 Jul 2009 07:04:31 -0700 (PDT) In-Reply-To: X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=209.85.220.217; country=US; region=CA; city=Mountain View; postalcode=94043; latitude=37.4192; longitude=-122.0574; metrocode=807; areacode=650; http://maps.google.com/maps?q=37.4192,-122.0574&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 257029140 - 097bc00b8026 - 20090707 X-Scanned-By: CanIt (www . roaringpenguin . com) on 194.171.167.217 X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.11 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: amavisd-new at ntg.nl Xref: news.gmane.org gmane.comp.tex.context:51649 Archived-At: --===============0858430079== Content-Type: multipart/alternative; boundary=001636c5ab4709f10c046e1e1ab6 --001636c5ab4709f10c046e1e1ab6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On Tue, Jul 7, 2009 at 3:50 PM, Piotr Kopszak wrote: > Hello list, > > I am preparing for a next project which will be printed in two > colours. Obviously, perfect opportunity to use duotones. However I got > my duotone illustrations in CMYK tiffs with images in yellow and black > channels. Obviously black could stay but I would like to convert the > yellow channel to the spot colour I am going to use. Any ideas > (without using Photoshop) ? > Did you seen http://www.libtiff.org -- luigi --001636c5ab4709f10c046e1e1ab6 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Tue, Jul 7, 2009 at 3:50 PM, Piotr Ko= pszak <kopszak@gm= ail.com> wrote:
Hello list,

I am preparing for a next project which will be printed in two
colours. Obviously, perfect opportunity to use duotones. However I got
my duotone illustrations in CMYK tiffs with images in yellow and black
channels. Obviously black could stay but I would like to convert the
yellow channel to the spot colour I am going to use. Any ideas
(without using Photoshop) ?



--
luigi

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