Tag Nrho Xim Sab Hauv Ncej Rau Luam Yeeb Ua thiab daim ntawv thov ntawm cov phaj dub

Sep 25, 2023

Tso lus

Ua ntej, lub ntsiab lus ntawm cov xim dub thiab qhov ntau ntawm cov xim dub hauv kev luam ntawv

"Color yog ib lo lus dav dav rau tsis muaj xim thiab xim." Cov xim tsis muaj xim hauv kev luam ntawv yog hais txog cov xim dawb rau xim dub. Qhov tseeb yog hais txog qhov siab tshaj plaws ntawm cov ntawv luam ntawv thiab qhov ua tau zoo ntawm plaub xim ntawm daj, magenta, xiav, dub number case txheej superposition ntawm qhov sib txawv, uas yog, whiteness ntawm daim ntawv, lub teeb grey, nruab nrab grey, tsaus. grey, dub, thiab qee zaum lub tswv yim ntawm burnt dub.

Nyob rau hauv cov xim tsis muaj xim, qhov zoo tshaj plaws dawb yog cov khoom muaj kev cuam tshuam tag nrho, tsis muaj 100% cov khoom siv hauv lub neej, cov ntawv zoo tshaj plaws ntawm cov ntawv luam tawm yog li 90%, cov ntawv luam tawm tsuas yog li 50. %, thiab lwm yam ntawv luam ntawv (offset paper, letterpress paper, phau ntawv txhais lus) yog nyob nruab nrab ntawm ob; Qhov zoo tshaj plaws dub yog cov khoom uas absorbs tag nrho cov pom spectrum, cov khoom uas absorbs tag nrho tsis muaj nyob, luam tawm nrog xim ntawv, qhov zoo ntawm plaub xim superposition yog hais txog 1.8, dav dav ntawv luam ntawv monochrome, daim teb ceev ntawm dub yog 1. . Qhov ntom ntom ntawm cov xim dub yog 1.4 ~ 1.8. Yog li ntawd, nws tuaj yeem hais tau tias qhov ntom ntom dub yog nyob nruab nrab ntawm 1.0 thiab 1.8.

Thib ob, lub luag haujlwm ntawm cov phaj dub hauv cov xim luam tawm

1, kev siv cov phaj dub tuaj yeem txhim kho qhov sib txawv ntawm cov duab. Nrog rau tam sim no cov pa luam ntawv tej yam kev mob, qhov zoo ntom ntom ntawm daj, magenta thiab ntsuab thawj xim ink superposition yog hais txog 1.8, thiab qhov pom kev daws teeb meem muaj peev xwm ncav cuag 1.8 ~ 2.0, yog li lub suab tsim nyog ntawm cov phaj dub yog Xaiv kom nce qhov muaj peev xwm nqus tau ntawm daim ntawv, qhov kev nqus tau nce ntxiv ntawm 96% mus rau 98%, yog qhov ua tau zoo, yog li, qhov sib piv ntawm kev sib txawv ntau yam ntawm cov duab yog nce, qhov kev nkag siab ntawm peb-dimensional ntawm daim duab yog ntxiv dag zog, qhov kev nkag siab ntawm qhov chaw yog txhim kho, thiab cov khoom zoo yog txhim kho.

2, cov xim dub tuaj yeem kho cov xim ntawm cov duab. Qhov ntau ntawm kev ruaj ntseg nyob ntawm qhov ntev ntawm lub suab dub, ntev dua lub suab dub, ntau dua qhov ntau ntawm cov xim ruaj khov. Feem ntau hais lus, xim raws li dluab feem ntau siv cov pob txha dub daim hlau, feem ntau kom ruaj khov rau cov xim tsaus thiab ntxiv dag zog rau cov duab kos duab. Kev siv tshwj xeeb yuav tsum txheeb xyuas cov yam ntxwv ntawm cov duab xim thiab lub suab, thiab txiav txim siab qhov pib taw tes thiab nkhaus tus yam ntxwv ntawm lub suab dub. Rau ink-raws li Suav painting thiab nruab nrab lub suab ntawm cov duab dub phaj theem yuav tsum kuj ntev, tab sis nyob rau hauv tas li ntawd, lub dub phaj theem yog ntev, cov duab tone yog yooj yim los ua grey.

Tam sim no, cov duab phaj ua software muaj kev ua haujlwm ntawm kev txiav cov phaj dub, yog tias lub suab qub yog tus qauv, cov txiaj ntsig ntawm kev sib cais xim thiab mesh feem ntau yog nyob rau hauv txoj kab nrog qhov tseeb, qhov teeb meem yog qhov feem ntawm cov ntawv sau qub siv. rau phaj ua tau raws li tus qauv yog me me, feem ntau ntawm cov xim sib cais thiab mesh yuav tsum tau hloov kho, feem ntau them nyiaj ntau dua rau cov xim version, thiab cov xim dub tsis quav ntsej. Qhov pib taw tes thiab tus nqi ntawm cov nplai dub yuav tsum tau hloov kho raws li cov yam ntxwv ntawm cov ntawv sau qub thiab cov ntawv luam tawm.

Feem ntau hais lus, qhov sib txawv ntawm lub teeb mus rau nruab nrab lub suab xim tuaj yeem daws tau los ntawm kev kho qhov loj ntawm cov dot cheeb tsam, thiab qhov tsaus ntuj ntawm cov duab net, tshwj xeeb tshaj yog ntau tshaj 75% ntawm cov dot qhov chaw, kev hloov kho ntawm thaj chaw kao dot yog txwv. , yog li muaj ntau cov ntawv luam tawm tsis ruaj khov hauv lub suab tsaus. Los ntawm cov txiaj ntsig ntawm kev sim ntawm ntau cov khoom lag luam luam tawm hauv cheeb tsam Beijing (nrog rau tib daim ntawv, tib tus cwj mem, tib qhov kev ntsuas thiab kev tswj cov sawb), tsis muaj leej twg yog tus cwj pwm nruab nrab zoo tagnrho, feem ntau ntawm lawv yog qhov ntsuas siab tshaj plaws nrog cov lim dej ntsuab. , ntshav thiab xiav lim yog qhov thib ob ntsuas tus nqi, lim liab yog qhov ntsuas qis qis, uas qhia tias cov duab tsaus nti yog sov, tab sis qhov tseeb, feem ntau ntawm cov duab tsaus nti yog txias. Yog li ntawd, lub phaj dub overlay nrog lub suab tsim nyog tuaj yeem ua lub luag haujlwm hauv stabilizing cov xim ntawm nruab nrab mus rau tsaus nti, kov yeej qhov teeb meem ntawm lub suab sov tsaus, thiab ua tiav cov txiaj ntsig zoo.

3, dub version tuaj yeem ntxiv dag zog rau qib ntawm cov duab mus rau lub suab tsaus. Vim muaj kev txwv ntawm cov ntawv luam tawm thiab tib neeg kev pom kev hloov pauv, txoj cai dav dav ntawm cov xim luam tawm yog tswj cov suab nrov, thiab qee qhov tseem ceeb me ntsis; Raws li qhov ua tau, khaws lub suab nruab nrab lossis me ntsis compressed, feem ntau compressed tsaus tone. Xws li feem ntau ntawm cov duab ntawm cov xim tom qab tshem tawm, peb qhov ntxoov ntxoo ntawm qhov dimming raug txo kom sib txawv, qhov ntau ntawm dimming tsis txaus, ua ke nrog qhov pom kev daws teeb meem ntawm qhov dimming yog qhov muaj zog, tsuas yog xim superposition, qib ntawm qhov nruab nrab mus rau qhov tsaus ntuj yog pom tseeb tsis zoo, cov qauv lossis kab yog cuav, thiab qib tsis tuaj yeem rub qhib. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua kom cov dub version, thiab qee qhov dub versions kuj muaj cov xim tom qab nce, kom qib ntawm qhov tsaus ntuj tuaj yeem ntxiv dag zog los yog them nyiaj.

4. Cov duab nrog cov xim dub thiab grey ua lub suab nrov, xws li suav cov duab kos duab nrog keeb kwm ntev thiab nws tus kheej hauv lub ntiaj teb kos duab, tuaj yeem theoretically tau theoretically luam los ntawm cov txheej txheem ib txwm ua, tab sis qhov sib npaug ntawm cov xim sib cais rau kev tshuaj ntsuam, luam ntawv rau luam ntawv grey yog qhov nyuaj heev rau tus tswv. Cov khoom lag luam yog ib qho yooj yim los tsim cov xim daj, ntshav lossis xim liab, thiab qhov kev ua tau zoo ntawm cov xim dub ntev ntev yog qhov yooj yim dua, cov nyhuv yog qhov zoo, thiab yog tias tsim nyog, nrog rau qhov tshwj xeeb grey version, cov nyhuv replication zoo dua, thiab cov style ntawm Suav painting tuaj yeem pom zoo dua.

5, kev siv lub suab tsim nyog ntawm cov phaj dub yog qhov zoo rau kev luam ntawv, tab sis kuj txo cov nqi. Cov xim dub tuaj yeem ua tiav los ntawm peb lub ntsiab xim, hauv lub phaj nrog lub hauv paus xim tshem tawm txoj kev (UCR), nyob rau hauv peb thawj xim version kom rho tawm qhov sib thooj, hloov cov xim dub, kom ob qho tib si kom tau raws li qhov yuav tsum tau ua. duab tone, tab sis kuj yuav txuag xim number case, txo tus nqi, vim hais tias peb thawj xim number case yog kim kim tshaj dub number case. Yog li ntawd, nyob rau hauv lub premise ntawm tsis cuam tshuam qhov zoo ntawm cov khoom, siv cov dub version raws li tau zoo raws li ua tau.

Nws yuav tsum tau taw qhia tias ob peb tus neeg tsis paub txaus txog lub luag haujlwm ntawm cov phaj dub, cov phaj dub tiag tiag ua lub luag haujlwm tseem ceeb, peb yuav tsum txhim kho kev nkag siab ntawm lub luag haujlwm ntawm cov phaj dub, xyuam xim rau kev tsim khoom thiab siv. ntawm kev tshawb fawb phaj dub.

Peb, hom xim dub

Hauv kev tsim cov xim, qhov tseeb daim ntawv thov ntawm cov dub version ncaj qha cuam tshuam rau qhov zoo ntawm cov khoom, yog li raws li cov xwm txheej thiab cov kev xav tau, tsim nyog thiab yoog raws kev siv dub version, dub version tuaj yeem muab faib ua peb hom:

1, luv tone dub version. Lub suab dub yog luv dua peb lub suab nrov, thiab tsim nyog rau cov duab nrog cov xim lossis cov suab nrov. Lub suab ntawm cov phaj dub feem ntau pib los ntawm lub suab nruab nrab ntawm daim duab, thiab feem ntau ua lub luag haujlwm hauv cov qauv ntawm daim duab mus rau lub suab tsaus, yog li nws tseem hu ua daim phiaj dub phaj lossis pob txha pob txha. Nws tsuas yog ua lub luag haujlwm ntawm kev ntxiv dag zog rau cov duab sib piv, ntxiv dag zog rau nruab nrab mus rau qhov tsaus ntuj thiab ua kom cov xim stabilizing. Vim yog lub suab hloov pauv ntawm cov ntawv sau qub, theem ntawm cov suab nrov luv luv dub version muaj lub tiaj tiaj thiab qhov tob tob, nyob rau hauv cov ntaub ntawv ntawm qhov pib ntawm lub suab nrov yog qhov pib tsis hloov, qee qhov ntawm cov suab nrov yog luv heev. , qhov chaw dot yog hais txog 0 ~ 5% lossis me ntsis dhau; Qee qhov nruab nrab, qhov chaw dot yog li ntawm 0-75%; Qee qhov tob, dot cheeb tsam tuaj yeem ncav cuag 0 ~ 95%.

2, nruab nrab dub version. Feem ntau yog hais txog cov dub version uas tsim nyob rau hauv ib txwm proportions, yog li nws kuj yog hu ua linear dub version, uas yog haum rau ob qho tib si xim thiab tsis-xim xim, xws li toj roob hauv pes paintings, architectural paintings nrog cov cim nyob rau hauv thawj daim ntawv. Txhawm rau pab txhawb kev ua haujlwm ntawm lub vijtsam, lub suab ntawm lub phaj dub tuaj yeem ua kom ntev raws li cov yam ntxwv qub thiab cov kev xav tau ntawm kev luam tawm, qhov pib ntawm lub suab tuaj yeem me dua li nruab nrab lub suab ntawm daim duab, lub suab ntev. tuaj yeem ua tau ntau dua 70%, thiab thaj chaw dot tuaj yeem suav txog li 50% ntawm tag nrho cov duab.

3, ntev tone dub version. Haum rau cov tsis muaj xim, xim raws li ib qho ntxiv ntawm cov ntawv sau qub. Xws li tus cwj mem lub suab (focal, concentrated, hnyav, lub teeb, ntshiab) raws li Suav painting, thiaj li yuav pab tau cov me nyuam ntawm cov tsis-xim series, cov dub version ntawm lub suab yuav ua tau ntawm 0 mus rau 1{ {7}}0%, yog li nws tseem hu ua lub suab nrov ntawm cov xim dub. Qhov chaw ntawm cov xim dub tuaj yeem suav txog ntau dua 80% ntawm tag nrho daim ntawv qhia, ntxiv rau cov xim yooj yim, theem ntawm peb thawj xim version yuav tsum luv luv raws li. Qhov kev sim ua pov thawj tias siv cov xim dub ntev ntev, qhov dav dav daj thiab magenta version ntawm qib 0 ~ 50%, ntsuab version ntawm 0 ~ 25% tuaj yeem ua tau raws li qhov yuav tsum tau ua. Nws tsis yooj yim rau kev siv cov software nta ntawm Desktop Publishing System (DTP).

Cov phaj dub saum toj no tau muab faib ua peb pawg raws li txoj cai dav dav, thiab tsis muaj ciam teb meej meej hauv kev siv, tsuas yog muab tso rau hauv cov ntsiab lus yooj yim thiab cov qauv siv, tsis tuaj yeem siv, raws li cov ntawv sau sib txawv, cov ntawv luam tawm sib txawv, raws li qhov tsim nyog, kom ua tau raws li cov neeg siv khoom xav tau. Luam cov xim ci, qhov sib txawv ntom ntom yog cov duab me me, yuav tsum ua raws li peb lub ntsiab xim version, nrog lub suab luv luv dub version yog qhov zoo dua; Luam cov duab nrog cov nplua nuj tones, cov xim ci thiab qhov sib txawv ntawm qhov sib txawv, peb cov xim tseem ceeb yuav tsum tau sib koom ua ke nrog cov xim dub, thiab cov xim dub yuav tsum nyob hauv nruab nrab lub suab; Rov tsim cov duab uas tseem ceeb hauv cov xim tsis muaj xim, thiab siv cov xim dub ntev ntev kom tau txais txiaj ntsig zoo dua.

Cov khoom siv prepress thiab software uas twb muaj lawm tuaj yeem siv dawb los tsim txhua qib ntawm cov ntawv dub. Tab sis kom meej: phaj ua yog txhais tau tias, luam ntawv yog qhov kawg. Thaum ua daim hlau, nws tsis yog tsuas yog tsim nyog los tshuaj xyuas cov yam ntxwv ntawm cov ntawv sau qub, kho qhov tsis txaus ntawm cov ntawv sau qub, tab sis kuj yuav tsum xav txog qhov sib txawv ntawm kev luam tawm (daim ntawv, number case, luam ntawv, txheej txheem luam ntawv thiab kev tsim nyog ntawm ib puag ncig) , zoo li ib txheej ntawm cov ntawv luam ntawv, nrog rau daim ntawv pub zaub mov thiab txheej ntawv luam ntawv, cov nyhuv luam ntawv yuav zoo heev. Yog tias koj tseem siv cov phaj no, nrog cov ntawv ceev ceev thiab cov ntawv dav dav (cov ntawv xov xwm lossis cov ntawv offset) luam ntawv, cov ntawv luam tawm yuav tsis zoo. Yog li ntawd, cov phaj tom kawg yuav tsum tau hloov kho, cov xim yooj yim yog qhov txaus, cov xim sib txawv yog siv tsawg dua, thiab lub network cable yog thicker. Vim tias cov xim sib txawv siv tsawg dua, cov qib dub version yuav tsum tau ntev thiab tob.

Qhov kev txiav txim xim luam ntawv kuj muaj qhov cuam tshuam rau lub suab ntawm cov phaj dub. Nyob rau hauv cov xwm txheej uas lub suab ntawm daim duab yog qhov zoo ib yam, yog tias tom qab luam ntawv yog xim dub, lub suab ntawm cov phaj dub yog luv luv. Yog tias lub tshuab ntau xim luam tawm dub ua ntej, cov xim dub ntawm lub suab tuaj yeem ua tau ntev, cov nyhuv yuav zoo dua.