Return-Path: <awaresystems.be+caf_=filtered=awaresystems.be@gmail.com>
Delivered-To: filtered@awaresystems.be
Received: from mx-k.one.com (mx-k.one.com [91.198.169.58])
	by mail6.local (Postfix) with ESMTP id AD2698014FAC3
	for <filtered@awaresystems.be>; Mon, 24 Mar 2014 16:34:39 +0100 (CET)
X-Virus-Scanned: by one.com
Received-SPF: pass (mx-k: domain of awaresystems.be+caf_=filtered=awaresystems.be@gmail.com designates 209.85.217.174 as permitted sender)
X-Greylist: whitelisted by SQLgrey-1.8.0-rc2
Received: from mail-lb0-f174.google.com (mail-lb0-f174.google.com [209.85.217.174])
	by mx-k.one.com (Postfix) with ESMTP id 7A726443D31
	for <filtered@awaresystems.be>; Mon, 24 Mar 2014 15:34:39 +0000 (UTC)
Received: by mail-lb0-f174.google.com with SMTP id u14so3742020lbd.19
        for <filtered@awaresystems.be>; Mon, 24 Mar 2014 08:34:39 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20130820;
        h=x-original-authentication-results:delivered-to:delivered-to
         :message-id:date:from:user-agent:mime-version:to:references
         :in-reply-to:subject:precedence:list-id:list-unsubscribe
         :list-archive:list-post:list-help:list-subscribe:content-type
         :content-transfer-encoding:sender:errors-to;
        bh=DiOXtk+p8TSqcU+1WG0ljXz/dXJ+qKWo2upJuXiMpJo=;
        b=jt7qCuv4OX4AT68sTinoQqEAK2KXM2yDHXLHfCt6+FBcXnhING64oLcPqIvS+6jYmt
         F6MYoeptj77RTxj2TjLjejcryGEwlukHv7bBVpv6H48zxjwzXcc1bxJK7BawJSLy3kNm
         s/jKhMRT+x1r8pk2hXdhH0g313aVQIUeEeruPv+cXrGLU98DsPpnJMvyq7wf9kiSd+3o
         0zC9WGYSOjB7kJMu3kK8YoWp7+kfFPB32EDFlV8ydM7Ie6Ay3GtJq1uyDZy/CwKba8vZ
         Wo417Jx6QegeXjTAfIvVFhu6FrwkpaGjNn70gRc9+AetpbXm15GmW7FaJbX9Z8fwid11
         3kJQ==
X-Original-Authentication-Results: mx.google.com;       spf=neutral (google.com: 91.198.169.57 is neither permitted nor denied by best guess record for domain of tiff-bounces@lists.maptools.org) smtp.mail=tiff-bounces@lists.maptools.org
X-Received: by 10.153.7.200 with SMTP id de8mr46138290lad.19.1395675279328;
        Mon, 24 Mar 2014 08:34:39 -0700 (PDT)
X-Forwarded-To: filtered@awaresystems.be
X-Forwarded-For: awaresystems.be@gmail.com filtered@awaresystems.be
Delivered-To: awaresystems.be@gmail.com
Received: by 10.114.12.135 with SMTP id y7csp184550ldb;
        Mon, 24 Mar 2014 08:34:38 -0700 (PDT)
X-Received: by 10.152.18.170 with SMTP id x10mr115568lad.55.1395675277289;
        Mon, 24 Mar 2014 08:34:37 -0700 (PDT)
Authentication-Results: mx.google.com;
       spf=neutral (google.com: 91.198.169.57 is neither permitted nor denied by best guess record for domain of tiff-bounces@lists.maptools.org) smtp.mail=tiff-bounces@lists.maptools.org
Received-SPF: neutral (google.com: 91.198.169.57 is neither permitted nor denied by best guess record for domain of tiff-bounces@lists.maptools.org) client-ip=91.198.169.57;
Received: by 10.152.46.225 with POP3 id y1mf2536382lam.24;
        Mon, 24 Mar 2014 08:34:37 -0700 (PDT)
X-Gmail-Fetch-Info: info@awaresystems.be 1 pop.awaresystems.be 110 info@awaresystems.be
Delivered-To: info@awaresystems.be
Received: from mx-j.one.com (mx-j.one.com [91.198.169.57])
	by mail6.local (Postfix) with ESMTP id 780408014FAC0
	for <info@awaresystems.be>; Mon, 24 Mar 2014 16:24:22 +0100 (CET)
X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0-rc2
Received: from lists.maptools.org (ks365428.kimsufi.com [94.23.4.142])
	by mx-j.one.com (Postfix) with ESMTP id 4460A93E4B
	for <info@awaresystems.be>; Mon, 24 Mar 2014 15:24:21 +0000 (UTC)
Received: from [10.1.0.241] (localhost.localdomain [127.0.0.1])
	by lists.maptools.org (Postfix) with ESMTP id 3427C35C070;
	Mon, 24 Mar 2014 10:23:23 -0500 (EST)
Received: from ftp.sofha.de (ftp.sofha.de [82.144.60.99])
	by lists.maptools.org (Postfix) with ESMTP id 0C07935C06D
	for <tiff@lists.maptools.org>; Mon, 24 Mar 2014 10:15:41 -0500 (EST)
Received: from localhost (localhost [127.0.0.1])
	by ftp.sofha.de (Postfix) with ESMTP id C712111A25B;
	Mon, 24 Mar 2014 16:15:41 +0100 (CET)
Received: from ftp.sofha.de ([127.0.0.1])
	by localhost (ftp.sofha.de [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id XpMmfMEMwfhi; Mon, 24 Mar 2014 16:15:41 +0100 (CET)
Received: from sofha.de (smtp.sofha.de [10.42.0.21])
	by ftp.sofha.de (Postfix) with ESMTP id B39AC11A246;
	Mon, 24 Mar 2014 16:15:41 +0100 (CET)
Received: from localhost.localdomain (unknown
	[IPv6:fd1b:50f4:a042:1337:10:42:21:31])
	(using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
	(No client certificate requested)
	by sofha.de (Postfix) with ESMTPSA id ABFFF20AC28F;
	Mon, 24 Mar 2014 16:15:41 +0100 (CET)
Message-ID: <53304C1D.1060309@snafu.de>
Date: Mon, 24 Mar 2014 16:15:41 +0100
From: Oncaphillis <oncaphillis@snafu.de>
User-Agent: Mozilla/5.0 (X11; Linux x86_64;
	rv:24.0) Gecko/20100101 Thunderbird/24.2.0
MIME-Version: 1.0
To: Kai-Uwe Behrmann <ku.b-list@gmx.de>, tiff@lists.maptools.org
References: <CF521BC7.6E82C%ccox@adobe.com>	<532D6FC3.4010809@snafu.de>	<CF544CE7.4955E%lrosenth@adobe.com>	<532F37E5.4090800@snafu.de>	<532F4981.5010007@gmx.de>
	<532F4EAE.5070507@snafu.de>
In-Reply-To: <532F4EAE.5070507@snafu.de>
Subject: Re: [Tiff] Spot colors in TIFF
X-BeenThere: tiff@lists.maptools.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: TIFF and libtiff discussion <tiff.lists.maptools.org>
List-Unsubscribe: <http://lists.maptools.org/mailman/listinfo/tiff>,
	<mailto:tiff-request@lists.maptools.org?subject=unsubscribe>
List-Archive: <http://lists.maptools.org/mailman/private/tiff>
List-Post: <mailto:tiff@lists.maptools.org>
List-Help: <mailto:tiff-request@lists.maptools.org?subject=help>
List-Subscribe: <http://lists.maptools.org/mailman/listinfo/tiff>,
	<mailto:tiff-request@lists.maptools.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: tiff-bounces@lists.maptools.org
Errors-To: tiff-bounces@lists.maptools.org

On 03/23/2014 10:14 PM, Oncaphillis wrote:
> On 03/23/2014 09:52 PM, Kai-Uwe Behrmann wrote:
>> With PHOTOMETRIC_SEPARATED + TIFFTAG_SAMPLESPERPIXEL == 4 +
>> EXTRASAMPLE_UNSPECIFIED == 2 (4+2) it would be possible to some a
>> convention.
> This is already what the TIFF looks like In addition there are the
> Spot Color names in the Photoshop Image Resource TAG
>
>> In order to display the data a viewer would need a link of a name for
>> the separate colour (say gold + silver) to a actual CIE*Lab value. This
>> can be supplied by a additional ICC Named colour profile (ncl2) beside
>> your normal ICC profile for the Cmyk data. The normal ICC profile is
>> that residing inside the TIFFTAG_ICCPROFILE of the actual IFD. I am not
>> sure how a second named colour profile can be defined inside one Tiff IFD.
>>
>> Perhaps a completely different Tiff tag is already defined, ready to
>> describe the colorant of the additional spot colour channels.
> This could be located in two other Photoshop specific TAGS #700 and  #37724.
  It seems like the additional information is actually in the "PhotoShop 
Image Resource" TAG
(always helps to read the spec.) its stored in the "Alternate Spot 
Colors" section id=1067

>
>> kind regards
>> Kai-Uwe
>>
>> Am 23.03.2014 20:37, schrieb Oncaphillis:
>>> Actually for now I just need a way to view the output of my own AGG
>>> based rendering engine which should support DeviceN and other kinds
>>> of higher dimension colour spaces. If one could point me to another
>>> tool that displays this kind of data or to a simple way to generate
>>> PSD or PDF from an in-memory bitmap representation it would be highly
>>> appreciated.
>>>
>>> Sebastian
>> _______________________________________________
>> Tiff mailing list: Tiff@lists.maptools.org
>> http://lists.maptools.org/mailman/listinfo/tiff
>> http://www.remotesensing.org/libtiff/
>>
> _______________________________________________
> Tiff mailing list: Tiff@lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/tiff
> http://www.remotesensing.org/libtiff/

_______________________________________________
Tiff mailing list: Tiff@lists.maptools.org
http://lists.maptools.org/mailman/listinfo/tiff
http://www.remotesensing.org/libtiff/
