Njira za Alpha ndi njira ina yomwe ilipo mu Photoshop. Iwo akufuna kupulumutsa gawo losankhidwa kuti agwiritse ntchito kapena kusintha.
Chifukwa cha ndondomekoyi - chiwonetsero cha alpha, ali ndi dzina limenelo. Iyi ndiyo njira yomwe chithunzi chomwe chili ndi mbali zina zowonongeka chingagwirizane ndi chithunzi china, chomwe chimapangitsa kuti chitukuko chikhale chonchi, komanso zolakwika.
Kwa teknoloji iyi n'zotheka kusunga malo omwe anagawa. Kuti apangidwe angatenge nthawi yochulukirapo komanso kuwonetsetsa, makamaka pamene mukufunikira kupanga zosankha zovuta, zomwe zingatenge maola angapo. Panthawi imene chikalatacho chimasungidwa ngati fayilo ya PSD, alpha channel ili pamalo anu nthawi zonse.
Njira yogwiritsiridwa ntchito kwambiri pogwiritsa ntchito alpha channel ndi mapangidwe a maski, omwe amagwiritsidwa ntchito ngakhale popanga chisankho chodabwitsa kwambiri, chomwe sichikwaniritsidwe mwa njira ina.
Chofunika kukumbukira
Kugwira ntchito ndi kanthawi kochepa kamangidwe ka alpha kamagwiritsidwa ntchito pamene mukugwiritsa ntchito ndi Quick Mask ntchito.
Gawo la Alpha. Maphunziro
Kawirikawiri zimatengedwa ngati kutembenuka wakuda ndi koyera kwa gawo limene mwaikapo. Ngati zosintha za pulogalamu sizikusintha ndi inu, ndiye muyimikhalidwe yoyenera, zojambula zakuda sizikhala malo enieni a fano, kutanthauza, kutetezedwa kapena kubisika, koma zidzawonetsedwa ndi zoyera.
Mofanana ndi chigoba chosanjikizira, zizindikiro za imvi zimasonyeza bwino omwe asankhidwa, koma pang'ono, malo ndipo amakhala osasintha.
Kulenga, muyenera kuchita izi:
Sankhani "Pangani kanema - Pangani kanjira latsopano". Bululi limapangitsa kuti mupeze Alpha 1 - yoyera alpha channel, yomwe ili yakuda chifukwa ilibe kanthu.
Kuwonetsa malo omwe mukufuna kusankha chipangizo Brush ndi utoto woyera. Izi ndi zofanana ndi mabowo omwe amapezeka mumasikiti kuti awone, ndikuwonetsanso zomwe zili pansi pake.
Ngati mukufunikira kupanga chisankho chakuda ndikupanga malo onsewo kukhala oyera, kenaka khalani osankha - "Malo osankhidwa".
Kusintha alpha channel pamene ntchito ikuyenda "Masikiti mwamsanga" zofunikira pa mtundu uwu, ndikusinthiranso. Pambuyo pokonza makonzedwe molondola, dinani Ok.
Mukhoza kupanga kusankha posankha lamulo mu menyu - Kusankha - Sungani Selection.
Sankhani posankha - Sungani chisankho kuti muwonetsere
Zithunzi za Alpha. Sintha
Pambuyo pa chilengedwe, mukhoza kukonza njira yotereyi mofanana ndi maskiki. Kugwiritsa ntchito chipangizochi Brush kapena chipangizo china chomwe chimagwirira ntchito kukhazikika kapena kusintha, mukhoza kuyang'ana pa izo.
Ngati mukufuna kutenga chipangizo chosankhira, muyenera kusankha lamulo limene limakhala pa menyu - Kusintha - Kuthamanga Lembani.
Mndandanda udzatseguka - Kugwiritsa ntchito.
Mungasankhe mtundu wakuda kapena woyera malinga ndi ntchito - kuwonjezera pa gawo lofunikira kapena kubweretsa kuchotsa kwa iwo. Pachifukwa chotsatira, zigawo zolembedwera ndi zoyera, zina zonse zili zakuda.
Kuti muwonetse chidziwitso ku Photoshop mbali ina, ndiko, mu mtundu wakuda, muyenera kuwirikiza pa thumbnail. Bokosi la zokambirana - Zosankha, kenako ikani kasinthasintha ku - Malo osankhidwa. Pambuyo pake, ntchitoyo idzasintha mtundu wa maski.
Kusintha nokha alpha channel kumagwiritsidwa ntchito pogwiritsa ntchito - Masikidwe mwamsanga. Muyenera kutsegula pa chithunzi chowonetseratu cha kanema.
Kenaka pulogalamuyi idzapanganso chofiira chofiira pa chithunzichi. Koma ngati mukukonzekera chithunzi chomwe chiri ndi mtundu wofiira kwambiri, ndiye palibe chomwe chidzawoneka kupyolera mu maski. Ndiye ingosintha mtundu wa chophimbacho kwa wina.
Mungagwiritse ntchito mafelemu omwe amagwiritsidwa ntchito ku alpha channel, monga kugwiritsa ntchito chigoba chosanjikiza.
Chofunika kwambiri: Mphungu ya Gaussiazomwe zimakulolani kuti mufewetse m'mphepete mwa kusankha gawo lochepa; Sitirokoomwe amagwiritsidwa ntchito popanga mapepala apadera mu maski.
Kutulutsa
Mutagwiritsa ntchito kapena mukuganiza kuti muyambe kugwira ntchito ndi njira yatsopano, mukhoza kuchotsa njira yosafunikira.
Kokani kanema kuti muwindo - Chotsani njira yamakono - Chotsani, ndiko kuti, pa zingwe zing'onozing'ono zonyansa. Mukhoza kudina pa batani womwewo ndipo mutatsimikiza kuti kuchotsedwa kukuwonekera, dinani pa batani Inde.
Chilichonse chomwe mwaphunzira pazitsulo za alpha kuchokera m'nkhaniyi chidzakuthandizani pakupanga akatswiri ntchito ku Photoshop.
