From owner-freebsd-questions@FreeBSD.ORG Sat Sep 6 07:30:55 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B3157106564A for ; Sat, 6 Sep 2008 07:30:55 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (agora.rdrop.com [199.26.172.34]) by mx1.freebsd.org (Postfix) with ESMTP id 87AA28FC12 for ; Sat, 6 Sep 2008 07:30:55 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (66@localhost [127.0.0.1]) by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id m867UsNX037756 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sat, 6 Sep 2008 00:30:54 -0700 (PDT) (envelope-from perryh@pluto.rain.com) Received: (from uucp@localhost) by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id m867UsdS037755; Sat, 6 Sep 2008 00:30:54 -0700 (PDT) Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407) id AA04956; Sat, 6 Sep 08 00:24:26 PDT Date: Sat, 06 Sep 2008 00:26:37 -0700 From: perryh@pluto.rain.com To: kline@thought.org Message-Id: <48c230ad.4RLnaY4gvfCrWFLi%perryh@pluto.rain.com> References: <20080903231439.GA98955@thought.org> <20080905170804.GB20329@melon.esperance-linux.co.uk> <20080905200601.GA81339@thought.org> <20080905223859.8ad56b37.freebsd@edvax.de> <20080906033645.GA93841@thought.org> In-Reply-To: <20080906033645.GA93841@thought.org> User-Agent: nail 11.25 7/29/05 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: which gray is best for print? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Sep 2008 07:30:55 -0000 > So you're saying that the "white" on my [monster] CRT is not the > same as on a future LCD Display? rats:) Not only that, but your monster CRT probably doesn't match a smaller CRT; and an old-ish CRT whose phosphors have aged (and whose focus may have gotten a bit fuzzy) probably doesn't match a new, sharp one. Different LCDs may not match each other either, esp. if they use different backlight technologies or if some of the backlights -- or faceplates -- are subject to color shifts with age. > > This is due to the nature that these devices use different color > > spaces (RGB, composed additively, CMY, composed negatively), and > > most of them even aren't calibrated ... > > I took all 5 quarters of physics, like most of us, but never got > far into optics ... and there's more involved than physics and optics anyway, e.g. the neuropsychology of human visual perception.