Xim chaw hloov chaw rau cov khoom siv zis tawm prepress
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv qhia zaub mov, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Cov duab siv rau cov zis tawm yuav tsum muaj nyob rau hauv CMYK xim hom, tsis yog nyob hauv hom RGB. Cov txheej txheem ntawm RGB hom rau CMYK hom, uas peb hu rau kev sib cais xim. Txawm hais tias qhov kev lag luam no yooj yim heev, tiam sis yeej xav ua kom cov xim sib txawv raws li cov ntawv luam ntawm cov xwm txheej, koj yuav tsum tau xub npaj cov xim tsis sib haum. Qhov chaw ntawm kev sib cais tsis yog qhov tseem ceeb ntawm txoj kev tswj xim. Photoshop muab qhov chaw ntawm cov xim sib cais tsis ua xim xim tom qab version 5.0.
Pib cov Photoshop software, qhib qhov kev hloov -> Xim nqis hais kom ua, teem caij CMYK chaw ua haujlwm hauv qhov chaw ua haujlwm, koj tuaj yeem xaiv lub CMYK xim qhov chaw ua rau Photoshop, lossis koj tuaj yeem teev tus neeg siv raws li cov zis tawm zis.
Grey chaw qhov chaw
Nws muaj cov nyhuv loj rau ntawm tus nqi hloov dua tshiab ntawm hom xim hom xim grayscale (GrayScale). Piv txwv, rau tib RGB xim thaiv R75G128B56, thaum Dot Gain xaiv tau 20%, tus nqi K hloov mus rau GrayScale hom yog 65%; thaum Dot Gain yog 25%, tus nqi K hloov mus rau GreyScale hom yog 60%; xaiv Doss nce ntawm 30%, tus nqi K hloov mus rau GrayScale hom yog 54%.
Teeb chaw qhov chaw xim
Nws ncaj qha mus cuam tshuam cov duab xim ntawm qhov chaw xim duab. Yog Dot Gain 20%, qhov chaw xim nrog qhov feem pua ntawm 55% yog qhov zog. Thaum Dot Gain raug hloov mus rau 30%, xim yog ib tsos tsaus tsawv.
Kev tswj xim
Photoshop pub koj embed colour profiles nyob rau hauv cov ntaub ntawv duab thiaj li tswj xim ntau nraaj hauv lub nruab thiab cov kev siv. Tom qab nkag, lub ICC Profile yuav piav qhia qhov tseeb xim qhov chaw rau cov duab ua kom pom tseeb xim. Thaum lwm daim ntaub ntawv qhib daim duab ntawm ICC profile ntaub ntawv embedded, yog tias qhov chaw tsis muaj teeb meem nrog lub embedded, nws yuav txiav txim thiab txiav txim siab yuav ua li cas. Nyob rau hauv lub dhau los ntawm Photoshop, qhov chaw ua hauj lwm ntawm embark ICC Profile ntaub ntawv los ntawm "Profile Settings" tau hloov hauv Photoshop 7.0, thiab ICC Profile yog nyob ruaj ntseg hauv kev cia cov duab cov ntaub ntawv. Yog tias nws yog RGB duab, tus inline yog embedded nyob rau hauv raws li cov chaw ntawm qhov saum toj no RGB chaw, xws li ib lub CMYK duab, thiab yog embedded nyob rau hauv raws li qhov chaw ntawm CMYK qhov chaw.
Thaum qhib ib daim ntawv duab hauv lwm daim ntaub ntawv, kuv yuav ua li cas yog tias kuv ntsib ICC Profile kos duab hauv daim duab uas tsis phim rau qhov chaw software, los yog cov duab tsis muaj ICC Profile kos? Qhov no yog qhov teeb meem uas Colour Management Polices tau los daws teeb meem. Nyob rau hauv qhov kev hloov -> Xaiv Qhov Sib Tham Sib Ntsib, cov ntsiab lus ntawm cov kev tswj xim xim muaj nrog. Cov chaw muaj nyob hauv Daim duab 6. Ntawm no, qhov RGB, CMYK, thiab Grey images tau teem tau cais, tab sis cov ntsiab lus sau tau zoo ib yam.
Photoshop xim qhov chaw hloov chaw
Qhib Txoj Kev Kho-> Xaiv Qhov Sib Tham Xov Xaiv, xaiv "Advanced Mode" nyob rau sab saum toj ntawm lub thawv dialog, thiab nyob rau ntawm "Hloov Xaiv", koj tuaj yeem xaiv qhov chaw xaiv xim. Qhov xim tswj cav (Cav) thiab txoj kev hloov xim (Intent) thaum ua xim hloov chaw xim.
Qhov yooj yim chaw rau Photoshop xim tswj
Qhib Txoj Kev Kho-> Xaiv Sib Txawv Sib Tham thiab nyob rau sab saum toj ntawm qhov kev sib txuas lus muaj qhov "Nqis" seem-down tshuab uas txiav txim seb cov chaw tswj xim twg siv. Cov chaw tshwj xeeb muaj xws li "Color Management Off", "Photoshop 5 Qhov Siv Xim Qhov Chaw", "Web Graphics Default Settings", "US Prepress Default Settings", "European Prepress Default Settings", thiab lwm yam, uas cov tswv yuav siv tau raws li lawv qhov kev pom zoo. Yog tias muaj kev hloov kho rau cov chaw no, nws yog ib qho kev cai.