Cov xim keeb kwm yav dhau los lossis "chromakey" yog siv thaum tua rau nws tom qab hloov nrog ib qho ntxiv. Chroma yuam yuav ua tau txawv xim, xws li xiav, tab sis ntsuab yog qhov zoo dua rau ntau yam.
Tau kawg, kev tua rau xim keeb kwm yav dhau los tom qab tsim cov ntawv sau lossis cov lus muaj pes tsawg leeg.
Hauv zaj lus qhia no, peb yuav sim ua kom muaj txiaj ntsig tshem tawm qhov xim ntsuab los ntawm daim duab hauv Photoshop.
Tshem cov keeb kwm yav dhau ntsuab
Muaj ntau txoj hauv kev rau tom qab tshem tawm ntawm daim duab. Feem ntau ntawm lawv yog universal.
Tshooj: Rho tawm cov dub tom qab hauv Photoshop
Muaj ib txoj kev uas zoo rau kev tshem tus yuam sij chroma. Nws yog tsim nyog kom nkag siab tias nrog xws li kev tua, kev txhaj tshuaj tsis tiav tuaj yeem tig tawm, uas yuav nyuaj heev thiab qee zaum tsis tuaj yeem ua haujlwm nrog. Rau hauv zaj lus qhia, cov duab ntawm tus ntxhais no tau pom ntawm tus keeb kwm yav dhau ntsuab:
Peb npaj mus rau kev tshem tawm ntawm chromakey.
- Ua ntej tshaj plaws, koj yuav tsum txhais cov duab hauv qhov chaw ua xim LabCov. Txhawm rau ua qhov no, mus rau hauv ntawv qhia zaub mov "Duab - hom" thiab xaiv yam xav tau.
- Tom ntej no, mus rau hauv lub tab "Raws" thiab nias rau cov channel "a".
- Tam sim no peb yuav tsum tsim cov ntawv luam ntawm cov channel no. Nws yog nrog nws tias peb yuav ua haujlwm. Peb coj cov channel nrog cov laug nas khawm thiab coj ntawm lub icon rau hauv qab ntawm lub palette (saib daim screenshot).
Cov channel palette tom qab tsim daim ntawv yuav tsum zoo li no:
- Cov kauj ruam tom ntej yuav tsum tau muab cov channel ntau ntawm qhov sib txawv, uas yog, keeb kwm yav dhau los yuav tsum tau ua kom tiav dub, thiab cov ntxhais dawb. Qhov no yog ua tiav los ntawm kev hloov pauv ntawm cov channel nrog dawb thiab dub.
Thawb luv NKOJ + F5thiab tom qab ntawd ces qhov kev xaiv puv chaw yuav qhib. Ntawm no peb yuav tsum xaiv cov xim dawb hauv daim ntawv teev npe xaiv thiab hloov hom kev ua haujlwm rau "Tshaj".
Tom qab nias lub khawm Ua li peb tau txais cov duab hauv qab no:
Tom qab ntawd peb rov ua qhov qub yeeb yam, tab sis nrog cov xim dub.
Tshwm sim ntawm kev sau:
Txij li qhov txiaj ntsig tsis tiav, tom qab ntawv rov qab sau, lub sijhawm no pib nrog dub. Xyuam xim: thawj zaug sau cov channel nrog xim dub, thiab tom qab ntawd dawb. Feem ntau, qhov no yog txaus. Yog tias tom qab cov yeeb yam no daim duab tsis dhau los ua xim dawb, thiab keeb kwm yav dhau los yog xim dub, tom qab ntawd rov ua qhov txheej txheem.
- Peb npaj cov channel, tom qab ntawd koj yuav tsum tsim cov ntawv luam ntawm daim duab qub hauv txheej txheej txheej nrog txoj kab luv CTRL + J.
- Ib zaug ntxiv, mus rau hauv txheej txheej nrog channel thiab ua kom daim ntawv theej tawm ntawm channel tab sis.
- Tuav tus yuam sij QHIB thiab nyem rau ntawm cov channel thumbnail, tsim kom muaj kev xaiv. Qhov kev xaiv no yuav txiav txim siab qhov tseem ceeb ntawm cov qoob loo.
- Nyem rau ntawm cov channel nrog lub npe "Lab"suav nrog xim.
- Txav mus rau txheej txheej palette, ntawm daim ntawv keeb kwm yav dhau, thiab nyem rau ntawm daim npog ntsej muag. Cov xim ntsuab yuav raug muab tua tam sim ntawd. Txhawm rau kom paub qhov no, tshem tawm qhov pom ntawm cov txheej hauv qab.
Kev tshem tawm Halo
Peb tau tshem ntawm cov keeb kwm yav dhau ntsuab, tab sis tsis heev. Yog tias koj tau thawb hauv, koj tuaj yeem pom daim nyias nyias ciam av ntsuab, qhov thiaj li hu halo.
Tus halo yog qhov yuav luag pom, tab sis thaum tus qauv tso rau ntawm qhov chaw tshiab, nws tuaj yeem rhuav tshem cov nkauj, thiab koj yuav tsum tau tshem ntawm nws.
1. Ua kom cov npog ntsej muag, txam QHIB thiab nyem rau nws, thauj khoom thaj chaw uas raug xaiv.
2. Xaiv ib qho ntawm pab pawg "Highlight".
3. Txhawm rau hloov peb xaiv, siv txoj haujlwm "Cais kom zoo dua ntug"Cov. Txoj kab sib khawm yog nyob rau ntawm lub vaj huam sib luag saum toj kawg nkaus ntawm cov tsis suav.
4. Hauv qhov rai muaj nuj nqi, txav mus rau xaiv xaiv thiab dhau ntawm cov kab ntaiv "ntawm pixels me me. Thov nco tseg tias txoj kev pom hom tau teeb tsa kom yooj yim. "Txog Dawb".
5. Teem qhov xaus "Tshiab txheej nrog txheej npog ntsej muag" thiab nyem Ua li.
6. Yog tias tom qab ua cov theem no qee qhov chaw tseem nyob twj ywm ntsuab, tuaj yeem tshem tawm tus kheej nrog txhuam txhuam dub, ua haujlwm ntawm daim npog.
Lwm txoj hauv kev kom tshem tau ntawm halo yog tau piav qhia txhua yam nyob rau hauv zaj lus qhia, qhov txuas mus rau uas tau nthuav tawm thaum pib ntawm tsab xov xwm.
Yog li, peb ua tiav zoo tshem ntawm cov keeb kwm yav dhau ntsuab hauv daim duab. Txoj kev no, txawm hais tias nws yog qhov nyuaj heev, tab sis nws qhia meej meej lub hauv paus ntsiab lus ntawm kev ua haujlwm nrog cov channel thaum tshem tawm monochromatic feem ntawm daim duab.
