Ntsuab keeb kwm yav dhau los "hromakey" yog siv thaum tua rau nws hloov tom qab nrog lwm yam. Lub chroma key yuav yog xim txawv, xws li xiav, tab sis ntsuab yog qhov zoo rau ntau yam.
Tau kawg, shooting rau ntsuab keeb kwm yog ua tiav tom qab ib daim ntawv ua ntej xeeb los yog cov kab txawv.
Hauv no nyeem peb yuav sim ua kom tshem tawm cov keeb kwm ntsuab ntawm tus yees duab hauv Photoshop.
Tshem tawm ntawm ntsuab tom qab
Muaj ntau ntau txoj hauv kev los tshem tawm cov keeb kwm yav dhau ntawm lub snapshot. Feem ntau ntawm lawv yog neeg ntiaj teb.
Tshooj: Tshem cov xim dub hauv Photoshop
Muaj ib txoj kev uas zoo tagnrho rau kev rhuav tshem chromakey. Nws yuav tsum to taub tias nrog rau txoj kev tua kuj tseem tuaj yeem ua phem ntas, ua haujlwm nrog uas yuav nyuaj heev, thiab qee zaum tsis yooj yim. Rau zaj lus qhia, daim duab no ntawm ib tug ntxhais hauv keeb kwm ntsuab tau pom:
Peb mus rau kev tshem tawm ntawm chromakey.
- Ua ntej tshaj, koj yuav tsum txhais daim duab rau xim qhov chaw. (Lab). Ua li no, cia li mus rau hauv cov ntawv qhia zaub mov "Duab - Hom" thiab xaiv yam khoom ntawd.
- Tom ntej, mus rau lub tab "Raws" thiab nyem rau ntawm txoj hauv kev "tus".
- Tam sim no peb yuav tsum tsim ib daim qauv ntawm cov channel no. Nws yog nrog nws tias peb yuav ua haujlwm. Peb siv cov channel nrog cov laug nas khawm thiab luag rau ntawm lub cim nyob hauv qab ntawm palette (saib screenshot).
Channel palette tom qab tsim ib daim ntawv yuav tsum zoo li no:
- Cov kauj ruam tom ntej yog los muab cov khoom sib npaug zos zoo tshaj plaws, uas yog, tom qab yuav tsum yog xim dub thiab tus ntxhais dawb. Qhov no yog tiav los ntawm kev ua kom tiav cov channel nrog xim dawb thiab dub.
Nias ua ke tseem ceeb SHIFT + F5thiab tom qab ntawd ces qhov chaw qhib qhov rai yuav qhib. Ntawm no peb yuav tsum xaiv cov xim dawb hauv daim ntawv teev npe cia thiab hloov qhov hom rau "Sib tshooj".
Tom qab nias lub khawm Ok peb tau txais daim duab nram no:
Tom qab ntawd peb rov qab ua cov yeeb yam, tab sis nrog dub.
Qhov tshwm sim ntawm qhov sau:
Vim tias qhov tshwm sim tsis tiav, peb rov ua tiav, lub sijhawm no pib ntawm dub. Ceev faj: ua ntej sau cov channel nrog dub thiab ces dawb. Feem ntau, qhov no txaus. Yog hais tias tom qab cov yeeb yam no lub duab tsis ua dawb dawb, thiab tom qab yog dub, ces rov hais dua cov txheej txheem.
- Cov channel peb tau npaj, ces koj yuav tsum tsim ib daim qauv ntawm cov duab qub hauv cov txheej palette los ntawm shortcut CTRL + J.
- Rov qab mus rau lub tab nrog cov tshooj thiab qhib ib daim qauv ntawm cov channel. a.
- Tuav lub ntsiab CTRL thiab nias rau ntawm tus thumbnail ntawm cov channel, tsim ib thaj chaw. Qhov kev xaiv no yuav txiav txim siab txog tus kab thaj ntawm cov qoob loo.
- Nyem ntawm cov channel nrog lub npe "Lab"nrog rau xim.
- Mus rau cov txheej palette, ntawm daim qauv ntawm keeb kwm yav dhau, thiab nias rau ntawm daim npog icon. Tom qab ntsuab tshem tawm tam sim ntawd. Yog xav pom qhov no, tshem tawm cov visibility ntawm txheej hauv qab.
Halo Tshem Tawm
Peb tau tshem ntawm ntsuab keeb kwm, tab sis tsis heev. Yog hais tias koj zoom, koj tuaj yeem pom ib thaj ntsuab nyias tus ciam teb, lub npe hu ua halo.
Lub halo yog NW nyuam qhuav noticeable, tab sis thaum tus qauv yog muab tso rau hauv ib qho tshiab tom qab, nws tuaj yeem txeeb cov kab txawv, thiab nws yog ib qhov tsim nyog los tshem nws.
1. Qhib lub npog ntsej muag, tuav CTRL thiab nias rau nws, thau qhov chaw xaiv.
2. Xaiv cov cuab yeej ntawm cov pab pawg. "Tshaj Lij".
3. Kho kom raug peb xaiv, siv qhov ua haujlwm "Kho Kom Ntoo". Qhov sib thooj khawm yog nyob rau sab saum toj vaj huam sib luag ntawm cov tsis.
4. Hauv qhov kev ua haujlwm qhov rai, hloov kev xaiv ntug thiab du tawm qhov "vias" ntawm pixels me ntsis. Thov nco ntsoov tias kev yoojyim, kev pom hom yog teeb. "Nyob dawb".
5. Muab cov zis tawm "Tshiab txheej nrog npog ntsej muag" thiab nias Ok.
6. Yog tias tom qab ua cov yeeb yam, qee qhov chaw tseem nyob twj ywm ntsuab, lawv tuaj yeem tshem tawm ntawm kev siv dub txhuam, ua haujlwm ntawm lub npog ncauj.
Lwm txoj kev los rhuav tshem lub halo yog piav raws li hauv kev qhia, qhov txuas rau uas tau pib thaum pib ntawm tsab xov xwm.
Yog li, peb ntse tau tshem ntawm ntsuab keeb kwm hauv kev yees duab. Txawm hais tias hom no yog qhov nyuaj, nws qhia meej meej hais tias txoj ntsiab cai ntawm kev ua hauj lwm nrog txoj hauv kev thaum tshem ib qho ntawm ib qho duab.
