A cikin daukar hoto da na ɗorewa, tsaka tsaki tsaka-tsaki ko tace nd tace kuma yana raguwa da gyaran dukkanin raƙuman ruwa daidai ba tare da canza lokacin haihuwar ba. Dalilin daidaitaccen tsarin wasan kwaikwayon sutturar suttura shine don rage adadin haske yana shiga ruwan tabarau. Yin haka yana ba da damar ɗaukar hoto don zaɓar haɗuwa da farashi, ɗaukar lokaci, da kuma jin daɗin abin da ba zai iya samar da hoto ba. An yi wannan ne don samun sakamako kamar zurfin filin ko kuma motsi na abubuwa a cikin kewayon yanayi da yanayin atmospheric.
Misali, mutum zai iya so ya harba ruwa mai saurin rufewa don ƙirƙirar sakamako mai ma'ana. Mai daukar hoto na iya tantance cewa saurin saurin secondsan sakan goma ana buƙatar cimma sakamako da ake so. A rana mai haske mai haske, za a iya samun haske mai yawa, har ma a mafi ƙasƙanci fim mafi ƙanƙanta, saurin rufewa zai bar shi da yawa. A wannan yanayin, amfani da tsaka tsaki tsaka tsaki daidai yake da tsayawa ɗaya ko fiye da ƙarin saurin gudu da sakamako mai motsi da ake so.
Tace mai tsaka tsaki da tsaka tsaki da yawa, wanda kuma aka sani da digiri na digiri na biyu, ko kawai matattarar da aka sauya wanda ke da isasshen watsawa. Wannan yana da amfani yayin da yanki ɗaya na hoton yana da haske kuma sauran ba shi bane, kamar yadda a cikin hoto na faɗuwar rana shine m zuwa wasu sautunan, irin wannan Kamar yadda gradient m, m shuɗi, gradient ja, gradient ja, da sauransu za'a iya kasu kashi matattara da kuma girma yassan matattara. Daga hangen nesa na gradient, ana iya raba shi zuwa ga mai laushi da ƙarfi. "Mai laushi" yana nufin cewa kewayon canjin yana da yawa, kuma akasin haka. . Ana amfani da filayen gradient a cikin ɗaukar hoto na wuri. Manufarta ita ce da gangan sanya ɓangaren hoton da gangan ya sami wasu sautin launi da ake tsammanin ban da tabbatar da sautin launi na al'ada na hoto.
A takaita ya kammala karatun digiri na tsaka tsaki, wanda kuma aka sani da na Gnd twlors, wanda rabin yadudduka da aka watsa da rabin hasken da ke shiga ruwan tabarau, ana amfani da wani sashi na hasken da yake shiga ruwan tabarau, ana amfani da sashin haske. Ana amfani da shi kawai don samun madaidaicin haɗi mai sauƙi da kyamarar a cikin zurfin filin hoto, ɗaukar hoto mai sauƙi, da yanayin haske mai sauƙi. Hakanan ana amfani da shi don daidaita sautin. Ana amfani da tace Gnd don daidaita bambanci tsakanin babba da ƙananan ko hagu da dama na allon. Sau da yawa ana amfani da shi don rage hasken sararin sama da kuma rage bambanci tsakanin sama da ƙasa. Baya ga tabbatar da bayyanar da keɓaɓɓen ɓangaren ɓangare, zai iya kawar da hasken sararin sama na sama, yana canzawa tsakanin haske da duhu sosai, kuma yana iya nuna alamar girgije. Akwai nau'ikan masu tetters daban-daban, kuma grayscale ma ya bambanta. Yana da hankali sauyawa daga duhu launin toka zuwa launuka marasa launi. Yawancin lokaci, an yanke shawarar amfani da shi bayan aunawa da bambancin allo. Fallasa bisa ga darajar da aka yi amfani da kayan launi, kuma sanya wasu gyare-gyare idan ya cancanta.
Lokaci: Feb-07-2023
