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Hack 74. Expose Only One Color

Hack 74. Expose Only One Color

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6.15.1.LayeringYourVideo

Inordertocreatethecolorpasseffect,youwillneedtocreatetwolayersof

video.Onewillcontaintheimageasablack-and-whitecomposition,whilethe

otherwillcontainjusttheimage/coloryouwouldlikevisible.Whencombined,

theywillcreatesingleimagewithonlyonecolorvisible.

Themethodyouusetocreatetwolayerswilldependonyoureditingsystem.For

themajorityofsystems,youshouldbeabletodrag-and-dropyourfootageonto

yourtimeline.Youcanthenrepeattheprocess;however,youshoulddragyour

footageeitheraboveorbelowyourfirstlayer.



6.15.2.CreatingaBlackandWhiteImage

Thefirststepincreatingthecolorpasseffectistocompletelydesaturateyour

lower-leveltrack.Thiswillcreatethebaseimageforyourcompositionasblack

andwhiteandallowyoutoworkmoreefficiently.Todesaturateyourimage:



Avid

Tools EffectsPalette

Saturation)



Image



ColorEffect(Chroma



FinalCut

Effects



VideoFilters



ImageControl



Destaturate



Eventhoughyou'venowremovedallofthecolorfromyourfootage,youhave

affectedonlythelowertrack.Therefore,yourimagewillstillappearinyour



recordmonitor(a.k.a.CanvasorProgramView)infullcolor.Don'tworry;that'll

changesoonenough.



6.15.3.ChoosingaColor

Thenextstepiswhereyouchoosewhatcoloryouwouldliketokeep.Youcan

dothisinanumberofways,butusingeitherachromakeyoracolorkeyisthe

easiest.Youshouldapplythiseffecttothetoplayerofyourcomposition:



Avid

Tools



EffectsPalette



Key



ChromaKey



VideoFilters



Key



ColorKey



FinalCut

Effects



Somesystemsenableyoutosimplyclickonapointofyourimagetoselectthe

coloryouwouldliketouse.Ifnot,youwillneedtousethecontrolsprovidedto

locatethecoloryouwanttoexpose.Asalways,don'tworryaboutbeingexact

becauseyou'llbeabletochangeanyselectionsyoumakelaterintheprocess.



6.15.4.ExposingtheColor

Afterchoosingyourcolor,youmightnoticethatyouaccomplishedtheexact

oppositeofwhatyouintended.Insteadofexposingthecolor,youremovedit.

Fortunately,youcaninvertthekey,therebyexposingthecolorandremoving

everythingelse.Youshouldselecttheclipandeffect/filteryou'veapplied,and

clickontheinvertcheckbox.

Afterinvertingyourkey,youmaynoticeafewspotsinyourimagewherethe

colorexists,butyoudon'twantitto.Forthesespots,youcansimplycropor

maskthemoutoftheimage.



6.15.5.HackingtheHack

Anotherapproachistomaintaincolorthroughoutyourimage,buttoemphasize

aspecificcolor.Toaccomplishthiseffect,insteadofconvertingyourimageto

black-and-white,youcanreducethesaturationonthebottomlayerandincrease

thesaturationonthetoplayer.Thiswillcauseyourchosencolortosubtlety

standoutfromtherestofyourimage.



Chapter7.Distribute

Distributingyourfinalprojectisthemostgratifying,andyetmostnerve-racking,

facetofdigitalvideoproduction.Whenyoudistributeyourvideo,itmeans

you'vecompletedyourproject.That,inandofitself,isahugeaccomplishment.

Whenyousendoffyourvideoforsomeonetosee,yourheadwillswirlwith

questions.Howwilltheyreact?Willtheylikeit?Willtheyhateit?ShouldI

havehadGreedoshootfirst?



Hack75.MakeaWindowBurnCopy



Ifyouwanttomakenotesonyouredit,itisbesttomakethemwhileyou're

awayfromyoureditingsystem.Creatingawindowburnallowsyoutodo

so.

Whenyouareeditingwithacomputer,it'seasytomakechangestoscenes.It's

soeasythatyoucanovereditascene,oranentireproject,bycontinuallymaking

changes.Afriendtoldmeastorythatdescribestheproblemperfectly:

TwokindergartenteachersweresittingintheTeachers'Lounge,talkingover

coffee.Onementionedhowmuchbettertheother'sstudents'fingerpaintings

alwayslookedthanherownstudents'.Sheaskedwhatshewasdoingwrong.The

answerwasunexpected:"Iknowwhentotakethepaintingsaway."

Moviemakingispartartandpartscience.Idon'tmeantoknockGeorgeLucas,

buthowmanydifferentversionsofStarWars:EpisodeIVdoweneed?Heisa

goodexampleofanartistwhocan'tlethisprojectgo.

So,toovercomethetemptationtomakechangeswhileyouareviewingyour

project,youcanmakeacopyofyourprojectandviewitawayfromyourediting

system.Thecopyshouldhaveavisualreferencetoyourproject'stime-codeso

thatyoucanmakeaccuratenotes.Thevisualreferenceiscalledawindowburn,

andthecopyisreferredtoasawindowdub.Figure7-1showsaframeofvideo

withatimecodewindow.

Figure7-1.Awindowshowingthetimecodeof01:30:04;11



Theworddub,whichisusedofteninthemotionpictureindustryto

meancopy,isshortfortheworddouble.



7.1.1.CreatingaDubwithaWindowBurn

Theleasttime-consumingwaytocreateaVHSdubwithawindowburnisto

outputyourprojecttodigitalvideotapeandsimultaneouslycopytheimageto

VHS.Thismethodtakesalittlemoretimetosetup,butifyouareworkingona

projectthatislongerthan30minutes,itisprobablyworthit.Toconfigureyour

systemtodothisrequiresyouonlytoplaceyourCPU,cameraordeck,VHS

machine,andfinallyyourTVinorder,asshowninFigure7-2.



Ifyouarewillingandabletoconnectyourcameraordecktoyour

television,youdonothavetodubtoVHS.Simplyoutputtodigital

videotapeandplaybackthecutonatelevision.



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