Avid Technology DS 5.0 Betriebsanweisung

USER GUIDEKeylight on Avid DSVisual Effects Software The Foundry

KeylightThe FoundryGETTING STARTED 10Quick Key The Keylight effects dialog panel displays showing the Keylight property page. An example is shown in F

KeylightThe FoundryGETTING STARTED 11Quick Key Figure 7. Final composite.There are a couple of extra steps that can be taken to fine tune this key and

KeylightThe FoundryBASIC KEYING 12Screen Colour Basic KeyingThe following section describes the parameters you need to do basic keying. This will give

KeylightThe FoundryBASIC KEYING 13Status Figure 9. Render menu. The options you’ll use the most are:• Screen Matte - this renders the matte created by

KeylightThe FoundryBASIC KEYING 14Screen Strength background in the final composite. White pixels show areas that will be pure foreground. Mid-grey pi

KeylightThe FoundryBASIC KEYING 15Despill Bias background showing through here. Also, some of the fine hair detail on the actor, visible in Figure 14,

KeylightThe FoundryADVANCED KEYING 16Screen Colour Advanced KeyingThe following section describes the parameters you need to fine tune keys and get th

KeylightThe FoundryADVANCED KEYING 17Screen Balance Foreground Pixel If the primary component in the pixel is not the same as the primary component of

KeylightThe FoundryADVANCED KEYING 18Biasing BiasingWhat’s biasing all about? Biasing in Keylight was originally developed for a shot in the motion pi

KeylightThe FoundryADVANCED KEYING 19Biasing Figure 23. Colour corrected image that would give a better key.The green screen is now strongly green and

KeylightThe Foundry©2011 The Foundry Visionmongers Ltd. All rights reserved.Keylight User GuideThis manual, as well as the software described in it,

KeylightThe FoundryADVANCED KEYING 20Biasing The Bias Colours in everyday useIt also turns out that the bias colour is actually useful for situations

KeylightThe FoundryADVANCED KEYING 21Render If you then set the 'Despill Bias' to be 25, you will keep the nice alpha, and get a good despil

KeylightThe FoundryADVANCED KEYING 22Unpremultiply • Status - displays an exaggerated view of the key so you can make a more informed decision on how

KeylightThe FoundryADVANCED KEYING 23Status to highlight any areas that are not pure foreground or background. Grey pixels do not mean the key is poor

KeylightThe FoundryADVANCED KEYING 24Screen Matte You may also see dark red pixels which indicate areas where an outside matte has been used to reduce

KeylightThe FoundryADVANCED KEYING 25Clip Levels Source Alpha If your blue screen material has an embedded alpha channel, setting the Source Alpha to

KeylightThe FoundryADVANCED KEYING 26Clip Rollback Clip RollbackPulling a Screen Matte (Figure 44) will typically produce lots of transparency (grey)

KeylightThe FoundryADVANCED KEYING 27Grow & Shrink Grow & ShrinkThis control should not normally be used as eroding the edges can produce a ve

KeylightThe FoundryADVANCED KEYING 28Inside & Outside Mattes will display which pixels use a replace method. Those pixels who use a replace method

KeylightThe FoundryADVANCED KEYING 29Inside & Outside Mattes add those pixels to the matte we’re creating. Switch Render back to show the Inside M

CONTENTS KeylightiiiThe FoundryContentsIntroduction About this User Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

KeylightThe FoundryADVANCED KEYING 30Cropping NoteIf you do use an externally generated mask, it is added to any inside/outside mask generated within

KeylightThe FoundryADVANCED KEYING 31Colour Correction X Y Edge Method - determines the behaviour of the image at the left and right crop boundaries.

KeylightThe FoundryADVANCED KEYING 32Edge Correction component to. If set to 0%, it will be the smallest of the other two components, if set to 100% i

KeylightThe FoundryADVANCED KEYING 33Edge Correction component to. If set to 0%, it will be the smallest of the other two components, if set to 100% i

KeylightThe FoundryTUTORIAL 34Introduction TutorialIntroductionWe have included four tutorials with examples images that you can use to practice Keyli

KeylightThe FoundryTUTORIAL 35Tutorial 1: Simple Key background shown in Figure 61.Figure 61. Background - SaintBG.tif1. Download the Saint images fro

KeylightThe FoundryTUTORIAL 36Tutorial 1: Simple Key 5. The Keylight effects dialog panel displays showing the Keylight property page. An example is s

KeylightThe FoundryTUTORIAL 37Tutorial 1: Simple Key Figure 66. Final composite.There are a couple of extra steps that can be taken to fine tune this

KeylightThe FoundryTUTORIAL 38Tutorial 2: Fine Tuning a Key Tutorial 2: Fine Tuning a KeyUsing the images from the film The Saint, you will learn how

KeylightThe FoundryTUTORIAL 39Tutorial 2: Fine Tuning a Key 4. Finally, if you look closely at the composite you will see a tiny amount of blue spill

CONTENTS KeylightivThe FoundryTutorial 3: Extreme Blue Spill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Tutorial 4: A Red

KeylightThe FoundryTUTORIAL 40Tutorial 3: Extreme Blue Spill Tutorial 3: Extreme Blue SpillThis is a really interesting clip from the film Merlin. The

KeylightThe FoundryTUTORIAL 41Tutorial 3: Extreme Blue Spill 4. Alter the Screen Balance from 95 to 0 as shown in Figure 72. This step is a bit subjec

KeylightThe FoundryTUTORIAL 42Tutorial 3: Extreme Blue Spill 7. The final composite is shown in Figure 74.Figure 74. Final Composite.

KeylightThe FoundryTUTORIAL 43Tutorial 4: A Red Green Screen Tutorial 4: A Red Green ScreenUsing the images from the film Executive Decision, you will

KeylightThe FoundryTUTORIAL 44Tutorial 4: A Red Green Screen Figure 77. Decrease the Despill Bias.4. If you look closely, the background and foregroun

KeylightThe FoundryTUTORIAL 45Tutorial 5: Inside Mattes Tutorial 5: Inside MattesUsing the blue screen test card image you will learn how to:• Process

KeylightThe FoundryTUTORIAL 46Tutorial 5: Inside Mattes 3. You will have noticed in Figure 83 the background could do with cleaning up. Figure 83 show

KeylightThe FoundryTUTORIAL 47Tutorial 5: Inside Mattes Figure 85. Clip Max.However, you will notice in the composite that the edges have become a lit

KeylightThe FoundryTUTORIAL 48Tutorial 5: Inside Mattes The grey squares in the foreground, where the colour swatches are located, tell us that the ba

KeylightThe FoundryTUTORIAL 49Tutorial 5: Inside Mattes Remove to put the black back. You should end up with the matte looking something like Figure 8

KeylightThe FoundryINTRODUCTION 5About this User Guide IntroductionWelcome to this User Guide for Keylight on Avid DS.Keylight is an industry-proven b

KeylightThe FoundryTUTORIAL 50Tutorial 6: Garbage Masks Tutorial 6: Garbage MasksUsing the green screen merlin image you will learn how to:• Use Keyli

KeylightThe FoundryTUTORIAL 51Tutorial 6: Garbage Masks 4. Add a Matte node and pipe the output into the Outside Mask input of Keylight 2. Edit the Ma

KeylightThe FoundryAPPENDIX A 52Release Notes APPENDIX ARelease NotesThis appendix describes the requirements, new features, improvements over previou

KeylightThe FoundryAPPENDIX A 53Release Notes New FeaturesThere are no new features in this release.ImprovementsThere are no improvements in this rele

KeylightThe FoundryAPPENDIX A 54Release Notes Keylight 2.2v1 This is a maintenance release to support Avid DS v10Release DateOctober 2008Requirements1

KeylightThe FoundryAPPENDIX A 55Release Notes Requirements1. Avid DS v8.02. Foundry FLEXlm Tools (FFT) (4.0v1 or later) for floating license support.N

KeylightThe FoundryAPPENDIX A 56Release Notes 6. Edge Correction PPG has been added with controls to colour correct and suppress colour spill at the e

KeylightThe FoundryAPPENDIX A 57Release Notes 2. Dongle. Keylight 1.0v8 for DS 6.0 can be licensed to the Dongle ID or the System ID (Physical Address

KeylightThe FoundryAPPENDIX A 58Release Notes returned). Removing the Hotfix Security Rollup would fix the problem. However, Keylight 1.0v7 now licens

KeylightThe FoundryAPPENDIX A 59Release Notes 2. The orange "unlicensed" dots have been replaced by coloured dots.Fixed BugsThere are no fix

KeylightThe FoundryINTRODUCTION 6Other Foundry Products The license key is a sequence of numbers and letters, stored in a plain text file, that unlock

KeylightThe FoundryAPPENDIX A 60Release Notes ImprovementsNo improvements over Keylight 1.0v1Fixed BugsNo fixed bugs.Known Bugs and WorkaroundsThere a

KeylightThe FoundryAPPENDIX B 61Third Party Licenses APPENDIX BThird Party LicensesThis appendix lists third party libraries used in Keylight, along w

KeylightThe FoundryAPPENDIX B 62Third Party Licenses FTGL OpenGL support FTGL - OpenGL font libraryCopyright © 2001-2004 Henry Maddocks [email protected]

KeylightThe FoundryAPPENDIX C 63End User License Agreement Appendix CEnd User License AgreementIMPORTANT: BY INSTALLING THIS SOFTWARE YOU ACKNOWLEDGE

KeylightThe FoundryAPPENDIX C 64End User License Agreement Finally, if the Software is an "Educational Version," Licensee may use it only fo

KeylightThe FoundryAPPENDIX C 65End User License Agreement ABILITY OR FITNESS FOR A PARTICULAR PURPOSE, REGARDLESS OF WHETHER The Foundry KNOWS OR HAS

KeylightThe FoundryAPPENDIX C 66End User License Agreement The Foundry, Licensee shall provide The Foundry with a certificate signed by an officer of

KeylightThe FoundryAPPENDIX C 67End User License Agreement SECTION 16. SURVIVAL. Sections 2, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17 and 18 shall

KeylightThe FoundryINDEX 68A-Z INDEXA-ZAAlpha Bias 20BBlue Spillsee Tutorial 3 40Brightness 31CClip Levels 25Clip Rollback 26Colour Correction 3

KeylightThe FoundryINTRODUCTION 7Other Foundry Products experienced by users of CMOS cameras. The plug-in will often vastly improve the look of distor

KeylightThe FoundryGETTING STARTED 8Introduction Getting StartedIntroductionKeylight was first developed by The Computer Film Company to help with dif

KeylightThe FoundryGETTING STARTED 9Quick Key perform this quick key, do the following:1. Download the Saint images from our web site www.thefoundry.c