Return-Path: Received: from [216.70.64.51] (HELO n16.mail01.mtsvc.net) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP-TLS id 4971605 for AE-List@media-motion.tv; Sun, 10 Feb 2013 06:37:18 +0100 Received: from n29.c03.server-system.net ([72.47.224.29]:35671) by n16.mail01.mtsvc.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1U4Ph5-0000f4-Gq for AE-List@media-motion.tv; Sun, 10 Feb 2013 00:43:18 -0500 Received: from c-68-47-128-133.hsd1.ar.comcast.net ([68.47.128.133]:61410 helo=[192.168.0.4]) by n29.c03.server-system.net with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1U4Ph2-0005kr-Tz for AE-List@media-motion.tv; Sat, 09 Feb 2013 21:43:14 -0800 Subject: Re: [AE] Classic Color Burn References: From: Ae List Content-Type: multipart/alternative; boundary=Apple-Mail-A300B76A-CF99-4814-B97A-E5E3CD070BE3 X-Mailer: iPhone Mail (10A403) In-Reply-To: Message-Id: <943BBBE7-463D-4C14-80EE-A32C20993EDA@roetechnologies.com> Date: Sat, 9 Feb 2013 23:43:11 -0600 To: After Effects Mail List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) X-Authenticated-User: 48122 aelist@roetechnologies.com X-MT-ID: 3239eb68718995acad8623fa414aaa1fc41231a1 X-MT-INTERNAL-ID: 3239eb68718995acad8623fa414aaa1fc41231a1 --Apple-Mail-A300B76A-CF99-4814-B97A-E5E3CD070BE3 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Here are a couple of resources I have bookmarked. They are for photoshop ble= ndmodes. Not sure if classic color burn (in AE) is the same as these example= s, but they're worth checking out.=20 http://inlandstudios.com/en/?p=3D851 http://www.venture-ware.com/kevin/coding/lets-learn-math-photoshop-blend-mod= es/ - Chris On Feb 9, 2013, at 5:41 PM, Jim Kanter wrote: > =46rom Wikipedia: >=20 > The Color Burn mode divides the inverted bottom layer by the top layer, an= d then inverts the result. This darkens the top layer increasing the contras= t to reflect the colour of the bottom layer. The darker the bottom layer, th= e more its colour is used. Blending with white produces no difference. >=20 >=20 > On Fri, Feb 8, 2013 at 4:15 PM, Chris Zwar wrote: >> FWIW, the 'classic' effects clip any HDR values and only work properly in= 8 / 16 bit modes. >>=20 >> On 09/02/2013, at 2:57 AM, S=C3=A9bastien wrote: >>=20 >>> Hi gang, >>>=20 >>> Does anyone have the math powering the Classic Color Burn blend mode fro= m AE ? >>>=20 >>> I'm trying to recreate the effect but can't find the math in the Adobe P= DF Reference guide 1.7 or older (it's one of the few missing). >>>=20 >>> Cheers, >>>=20 >>> Seb >>>=20 >>> --=20 >>> S=C3=A9bastien >>>=20 >>>=20 >>> Maison d'=C3=A9dition fond=C3=A9e en mille neuf cent deux mille douze >>> overlook-publishing.com >=20 --Apple-Mail-A300B76A-CF99-4814-B97A-E5E3CD070BE3 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

Here are a couple of resources I have b= ookmarked. They are for photoshop blendmodes. Not sure if classic color= burn (in AE) is the same as these examples, but they're worth checking out.=

<= div>http://www.venture-ware.com/kevin/codi= ng/lets-learn-math-photoshop-blend-modes/

- C= hris

On Feb 9, 2013, at 5:41 PM, Jim Kanter <jim@d-film.com> wrote:

=46rom Wikipedia:

The Color Burn mode divides the inverted bottom laye= r by the top layer, and then inverts the result. This darkens the top layer i= ncreasing the contrast to reflect the colour of the bottom layer. The darker= the bottom layer, the more its colour is used. Blending with white produces= no difference.

On = Fri, Feb 8, 2013 at 4:15 PM, Chris Zwar <chris@chriszwar.com> wrote:

FWIW, the '= classic' effects clip any HDR values and only work properly in 8 / 16 bit mo= des.

On 09/02/2013, at 2:57 AM, S=C3=A9bastien <yenaphe@gmail.com> wrote:=

Hi gang,

Does anyone have the mat= h powering the Classic Color Burn blend mode from AE ?

I'm trying to recreate the effect but can't find the math in the Adobe P= DF Reference guide 1.7 or older (it's one of the few missing).

Cheers,

Seb

--
S=C3=A9bastien

Maison d'=C3=A9dition fond=C3=A9e en mille neuf cent deux mille douz= e
ov= erlook-publishing.com

=

= --Apple-Mail-A300B76A-CF99-4814-B97A-E5E3CD070BE3--