From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/26360 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Colors and images Context Date: Thu, 16 Mar 2006 17:26:32 +0100 Message-ID: <441991B8.4040808@wxs.nl> References: Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1142526483 30759 80.91.229.2 (16 Mar 2006 16:28:03 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 16 Mar 2006 16:28:03 +0000 (UTC) Original-X-From: ntg-context-bounces@ntg.nl Thu Mar 16 17:27:59 2006 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 ciao.gmane.org with esmtp (Exim 4.43) id 1FJvJH-0008Ob-2u for gctc-ntg-context-518@m.gmane.org; Thu, 16 Mar 2006 17:26:47 +0100 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 86A0812796; Thu, 16 Mar 2006 17:26:46 +0100 (CET) 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 16805-02; Thu, 16 Mar 2006 17:26:42 +0100 (CET) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 24F5212775; Thu, 16 Mar 2006 17:26:42 +0100 (CET) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 241A312775 for ; Thu, 16 Mar 2006 17:26:40 +0100 (CET) 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 16467-06 for ; Thu, 16 Mar 2006 17:26:37 +0100 (CET) Original-Received: from mail.pragma-ade.net (dsl-212-84-128-085.solcon.nl [212.84.128.85]) by ronja.ntg.nl (Postfix) with SMTP id D8FDE126F8 for ; Thu, 16 Mar 2006 17:26:37 +0100 (CET) Original-Received: from [10.100.1.102] (unverified [10.100.1.102]) by controller-1 (SurgeMail 3.5b3) with ESMTP id 8936 for ; Thu, 16 Mar 2006 19:26:37 +0300 User-Agent: Thunderbird 1.5 (Windows/20051201) Original-To: mailing list for ConTeXt users In-Reply-To: X-Server: High Performance Mail Server - http://surgemail.com r=-274017400 X-Authenticated-User: hagen@controller-1 X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.7 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:26360 Archived-At: luigi scarso wrote: > 2 questions for colors > 1) Does ConTeXt offer complete color gestion as pdf spec 1.6 or there > are some features not implemented ? > what do you need ... process- and spotcolors are implemented, as are duotones; transparency has been around for years now. > 2) Preparing a pdf with bitmap colored images for offset press (ie > covers for manuals): are png or jpeg an optimal solution or tiff is > better ? RGB or CMYK ? > normally an unscaled cmyk jpeg of medium compression quality is ok (a 24 meg tiff graphic is not per definition better than a 4 meg jpeg image) Hans ----------------------------------------------------------------- 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 -----------------------------------------------------------------