Xim tuav lub luag haujlwm tseem ceeb hauv kev luam ntawv, uas yog ib qho tseem ceeb ua ntej rau kev pom kev cuam tshuam thiab kev thov rov hais dua, thiab qhov kev nkag siab zoo uas nyiam cov neeg siv khoom nyiam thiab txawm tias ua rau kev yuav khoom.
Txhua qhov chaw xim sib raug rau ib tus cwj mem tshwj xeeb (tshwj tsis yog daj, magenta, cyan, dub), uas yuav tsum tau muab luam tawm los ntawm lub tshuab luam ntawv cais ntawm lub tshuab luam ntawv.Muaj ntau ntau yam vim li cas tib neeg siv cov xim xim hauvluam tawm, hais txog lub tuam txhab cov duab hom (xws li Coca-Cola lub liab lossis Ford xiav) yog ib qho ntawm lawv, yog li txawm tias ib qho xim xim tuaj yeem raug tsim dua tshiab yuav tsis muaj teeb meem rau cov neeg siv khoom lossis cov neeg siv khoom.Nws yog ib qho tseem ceeb rau lub tsev luam ntawv.Lwm qhov laj thawj yuav yog kev siv cov xim hlau inks.Cov xim hlau feem ntau muaj qee cov xim hlau thiab tuaj yeem ua rau cov ntawv luam tawm zoo li xim hlau.Tsis tas li ntawd, thaum cov xim xav tau ntawm tus qauv tsim tshaj qhov xim gamut ntau yam uas tuaj yeem ua tiav los ntawm daj, cyan, thiab dub, peb tuaj yeem siv cov xim xim los ntxiv.
xim hloov
Thaum peb hloov xim ntawm cov duab los ntawm RGB rau CMYK, feem ntau muaj ob txoj hauv kev los tsim ib nrab ntawm cov xim dub, ib qho yog nyob rau hauv cov xim tshem tawm (UCR), thiab lwm qhov yog grey tivthaiv hloov (GCR).Txoj kev xaiv twg yog nyob ntawm qhov ntau ntawm cov xim daj, magenta, cyan thiab dub inks uas yuav luam tawm hauv daim duab.
"Kev tshem tawm xim tom qab" yog hais txog kev tshem tawm ib feem ntawm qhov nruab nrab grey keeb kwm yav dhau los ntawm peb lub ntsiab xim ntawm daj, magenta, thiab cyan, uas yog, kwv yees li ntawm cov xim dub tom qab tsim los ntawm superposition ntawm peb lub ntsiab xim ntawm daj, magenta. , thiab cyan, thiab hloov nws nrog tus cwj mem dub..Kev tshem tawm hauv qab feem ntau cuam tshuam rau thaj chaw ntxoov ntxoo ntawm daim duab, tsis yog cov xim xim.Thaum cov duab ua tiav los ntawm txoj kev tshem tawm cov xim tom qab, nws yog ib qho yooj yim kom pom xim cam thaum lub sij hawm luam ntawv.
Kev hloov cov khoom siv grey zoo ib yam li cov xim tom qab tshem tawm, thiab ob qho tib si siv cov cwj mem dub los hloov cov grey tsim los ntawm overprinting cov xim number case, tab sis qhov txawv yog qhov grey tivthaiv hloov txhais tau hais tias grey Cheebtsam nyob rau hauv tag nrho cov tonal ntau yuav hloov tau. ntawm dub.Yog li ntawd, thaum hloov grey tivthaiv, tus number case dub yog tsawg heev, thiab cov duab yog tsuas yog luam tawm los ntawm xim number case.Thaum siv qhov nyiaj hloov siab tshaj plaws, tus number case dub yog qhov loj tshaj plaws, thiab cov xim xim number case raug txo kom tsawg.Cov duab ua tiav nrog txoj kev hloov pauv grey yog qhov ruaj khov dua thaum luam ntawv, tab sis lawv cov txiaj ntsig kuj yog nyob ntawm qhov muaj peev xwm ntawm tus neeg siv xovxwm los kho cov xim.
Post lub sij hawm: Lub Xya hli ntuj-28-2022