Siv cov Photoshop channel tov los kho cov duab (1)
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv nyuaj, 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 luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
Yog xav paub ntxiv, thov tuaj xyuas
http://www.joyful-printing.com. HMOOV nkaus xwb
http://www.joyful-printing.net
http://www.joyful-printing.org
email: info@joyful-printing.net
Hauv Photoshop 5.0 thiab tom qab, nws muaj "Channel Mixer" cuab tam hauv "Cov" zaub mov hauv "Image" - "Kho" menu. Feem ntau cov neeg tsis tshua siv nws. Muaj ntau cov khoom tsim tawm kuj muaj. Qhov cuab yeej no tsis tshua muaj piav nyob rau hauv kev nthuav dav. Qhov tseeb, qhov no yog lub cuab tam tseem ceeb uas ua rau loj corrections rau cov dluab thaum qee cov tsis muaj cov ntaub ntawv xim. Cov Cheebtsam Channel tso cai rau koj siv cov lus qhia xim ntawm ib cov xim xim siv rau xim ntawm lwm cov xim raws, uas tsis tau nrog lwm cov cuab yeej. Nrog rau kev hais kom ua no, koj tuaj yeem ua tau raws li hauv qab no:
1. Ua kom muaj kev kho kom zoo rau cov xim uas tshwm sim ntawm cov xim.
2. Xaiv ib feem pua ntawm txhua qhov xim channel los ua tus duab zoo nkauj grayscale.
3. Tsim cov duab zoo siab toned.
Cov khoom cua channel thiab cov ntsiab lus saum toj no tau piav qhia meej hauv qab no.
Ua ntej, txoj haujlwm ua haujlwm ntawm cov khoom cua channel
Cov khoom sib tham hauv channel yog muaj nyob rau hauv Xam 1.
Cov khoom cua ua haujlwm los ntawm kev xaiv ib lub voj voog nyob hauv daim duab raws li cov khoom khiav (piv txwv li, tawm hauv cov channel), thiab tom qab ntawd ua qhov sib ntxiv thiab kev rho tawm raws li cov lus qhia ntawm cov duab thiab lwm yam kev qhia txog cov ntsiab lus ntawm kev kho . Nco ntsoov tias cov ntaub ntawv xim ntxiv los sis rho tawm tau los ntawm tib qhov chaw nyob ntawm cov channel los yog lwm txoj hauv kev. Ntawd yog, cov duab xim ntawm ib cov channel hauv qhov chaw yuav xam los ntawm cov channel tam sim no thiab lwm yam kev qhia xim hauv cov xim. Cov zis channel yuav yog cov channel ntawm cov duab los. Lub hauv paus channel yog txawv raws li cov duab xim hom. Thaum cov xim hom yog RGB, qhov channel yog R, G, B. Thaum cov xim hom yog CMYK, lub hauv paus channel yog C. M, Y, K. Hauv daim duab, CMYK xim hom channel tov siv lub cyan channel raws li tus kwv ua, qhov ntawd yog qhov tshwm sim ntawm kev lag luam hauv daim duab tsuas yog tau pom hauv cov xiav channel, yog li cov cyan channel yog tso tawm cov channel. Qhov muab xam rau hauv daim duab yog: cov ntaub ntawv xim thawj xim ntawm cov cyan channel ntawm tag nrho cov duab (tus slider tseem nyob ntawm 100%), rho tawm 32% ntawm cov ntaub ntawv daj ntawm tib qhov chaw txoj hauj lwm, ntxiv rau cov ntaub ntawv xim ntawm magenta channel nrog tib cov duab txoj hauj lwm 22%, tom qab ntawd ces nce qhov teeb meem me me los ntawm 16%. Vim li no, cov duab tso tawm tau muaj feem pua ntawm cyan dots: C = C + Mx22% -Yx32% + 16%. Piv txwv, xim ntawm cov duab yog C40% M50% Y30% K0%, thiab tom qab lub lag luam hauv daim duab, cov zis yog xim C57% M50% Y30% K0%. Lub ntsiab lus ntawm "tas mus li" hauv daim duab yog: cov lus qhia ntawm cov channel no ncaj qha los nce lossis txo cov feem pua ntawm tus nqi siab tshaj plaws ntawm cov xim sawv cev, qhov twg 10% ua tau 10% × 100%.
Cov roj tov ua hauj lwm xwb thaum cov duab xim hom yog RGB lossis CMYK. Thaum twg cov duab xim hom yog LAB lossis lwm hom, nws tsis tuaj yeem ua haujlwm. Cov cuab yeej hauv qab RGB tau qhia nyob rau hauv Xam 2.
Qhov thib ob, qhov kev khiav haujlwm ntawm cov khoom siv hluav taws xob
1. Qhib "Duab" - "Kho" - "Channel Tov Khoom".
2. Xaiv cov zis tawm, uas yog cov channel koj xav hloov.
3. Luag cov zauv ntawm txhua lub kwj channel mus rau sab laug los txo cov feem pua ntawm cov channel hauv cov zis channel, lossis luag mus rau sab xis kom nce qhov feem pua, los yog nkag mus rau ntawm -200% thiab +200 nyob rau hauv lub thawv ntawv. Tus nqi ntawm%.
4. Tsav lub slider kom nkag mus rau ib qho muaj nqis rau qhov kev xaiv Constant. Qhov kev xaiv no ntxiv ib channel nrog ntau lub opacity rau cov zis channel.
5. Yog tias koj xav tau ib daim duab grayscale, xaiv Monochrome los mus siv tib qhov chaw rau tag nrho cov tawm tso tawm, tsim kom muaj xim duab uas muaj qhov tsuas yog qhov tseem ceeb ntawm grey. Nyob hauv ib daim duab uas yuav hloov dua siab tshiab rau grayscale, qhov sib piv ntawm txhua qhov chaw channel koom rau hauv qhov kev tsim grey yuav raug kho dua. Yog tias koj xaiv thiab ho xaiv qhov Monochrome xaiv, koj tuaj yeem hloov cov txheej txheem ntawm txhua tus koog mus tsim ib cov duab tshwj xeeb.
6. Nias "OK" kom tiav qhov haujlwm.
Qeb peb, kev siv cov roj tov rau duab ua
1. Xim duab xim hloov
Daim duab 3 yog duab kos duab. Ib nrais muag, muaj teeb meem nrog cov xim ntawm cov nyom hauv daim duab. Cov xim ntawm cov nyom yog ntsuab thiab lacks ntsuab. Yog li xav txog txoj hau kev nce tus Y cov nqi hauv cov nyom xim. Hauv kev txiav txim siab tsis raug rau lwm cov xim, nws yog feem ntau yooj yim mus siv lub yeem kho xim cuab tam (Xaiv Xim) rau kev ua haujlwm, nrog cov cyan xim li cov khoom ua haujlwm, thiab ntxiv cov c nyob hauv cyan, saib daim duab 4. Tom qab ua tiav cov kev khiav haujlwm ntawm daim duab. 4 zaug plaub zaug, daim duab ua tiav. 5, thiab cov nyhuv tsis zoo heev. Yog vim li cas ho muaj nyob rau hauv cov xim ntawm cov nyom, cov ntsiab lus ntawm Y dot yog tsawg (piv txwv li, qhov xim ntawm tus neeg sawv cev yog C64% M24% Y7% K14%), yuav kom nce lub Y cov ntaub ntawv qhov no. Qhov loj yog qhov nyuaj.