Gabatarwa: Ana amfani da bugu sosai a rayuwa, komai yawancin wuraren da za su yi amfani da bugu. A cikin tsarin bugawa, abubuwa da yawa da ke shafar tasirin bugawa, don haka bugu zai fara buga samfurori da samfurori don kwatantawa, idan akwai kurakurai a lokaci don gyarawa, don tabbatar da daidaitattun bugu, raba bugu don ganin samfurin zuwa ga samfurin. kula da ƴan buƙatu, abubuwan da ke ciki don abokai su koma ga.
Samfuran bugawa
Buga don ganin samfurin shine hanyar da aka fi amfani da ita a cikin aikin bugu don dubawa da sarrafa ingancin bugu, ko bugu na monochrome ko bugu na launi, tsarin bugu, dole ne ma'aikaci ya yi amfani da idanunsu akai-akai idan aka kwatanta da samfurin don ganowa. fitar da bambanci tsakanin bugu da samfurin, gyaran lokaci don tabbatar da ingancin samfuran da aka buga.
Ƙarfin haske
Ƙarfin haske kai tsaye yana rinjayar hukuncin launi na samfurin bugawa, ƙarfin haske ba kawai yana da tasiri a kan launi na haske da duhu ba, amma kuma ya canza launin launi.
Yawancin lokaci muna lura da ginshiƙi mai haske, gefen haske don sautin haske, gefen baya don sautin duhu. Haɗin haske da ɓangaren duhu shine sautin tsakiya.
Hoto
Abu ɗaya, a cikin ma'aunin hasken haske yana da launi mai kyau, idan hasken ya zama mai ƙarfi a hankali, launinsa kuma ya canza zuwa haske mai haske, haske ya inganta zuwa wani matsayi, kowane launi za a iya canza shi zuwa fari. Baki ain ma'anarsa mai nuni shima fari ne, saboda ma'anar nuni a wurin taro mai haske, kuma yana nunawa sosai.
Hakazalika, hasken a hankali ya ragu, launuka iri-iri zuwa haske na ƙananan motsin launi, haske ya ragu zuwa wani matsayi, kowane launi zai zama baki, saboda abu ba ya nuna wani haske baƙar fata.
Teburin kallon bita dole ne ya dace da buƙatun buƙatun haske na gabaɗaya zuwa kusan 100lx, don gano daidai launi.
Hasken launi daban-daban
Hasken launi don kallon samfurin da hasken rana a ƙarƙashin samfurin ya bambanta, a cikin aikin samarwa, yawancin suna aiki a ƙarƙashin hasken wutar lantarki, kuma kowane tushen haske tare da wani launi.
Wannan yana kawo wasu matsaloli don yin hukunci daidai asalin asalin ko launi samfurin, hasken launi ƙarƙashin kallon launi, canjin launi gabaɗaya launi ɗaya ya zama mai haske, launi mai dacewa ya zama duhu.
Misali.
Launin haske ja, ja ya zama haske, rawaya ya zama orange, kore ya zama duhu, kore ya zama duhu, fari ya zama ja.
Koren haske launi, kore ya zama haske, kore ya zama haske, rawaya ya zama koren rawaya, ja ya zama baki, fari ya zama kore.
A ƙarƙashin hasken rawaya, rawaya ya zama haske, magenta ya zama ja, kore ya zama kore, blue ya zama baki, fari ya zama rawaya.
Duban haske shuɗi, shuɗi ya zama haske, kore ya zama haske, kore ya zama duhu, rawaya ya zama baki, fari ya zama shuɗi.
A cikin bitar bugu, gabaɗaya zaɓi zafin launi mafi girma (3500 ~ 4100k), ƙimar ma'anar launi mafi kyawun hasken rana azaman tushen hasken samfurin, amma lura cewa hasken rana yana ɗan shuɗi-violet.
Na farko sannan kuma bambancin launi
Da farko ka kalli samfurin sannan ka kalli bugu da farko ka kalli bugun sannan ka kalli samfurin, sakamakon zai dan bambanta, kasu kashi biyu ka kalli launi lokacin da ji ba iri daya bane.
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Ana kiran wannan al'amari da bambancin launi na gaba.
Me yasa ake samun amsawar bambancin launi na jere? Wannan shi ne saboda launi na farko da ya kalli launi na zaren jijiyar motsin launi, kuma nan da nan ya kalli wasu launuka, sauran jijiyoyi masu launi suna da sauri don haifar da launi, yayin da launi na farko a yanayin hanawa bayan tashin hankali, sannan jinkirin tashin hankali, haifar da amsawar lokaci mara kyau.
Wannan halayen, tare da launin sabon launi, suna samar da sabon launi, don haka ya canza launi bayan kallo. Kuma canza launi ko tsari na yau da kullun, shine fara duba launi na abubuwan da suka dace na canjin launi.
Fahimtar abubuwan da ke sama guda uku kuma ku mallaki dokokin su na canji, ya kamata mu mai da hankali kan lokacin kallon samfurin a zahiri, don tabbatar da kwanciyar hankali da haɓaka ingancin samfuran da aka buga.
Ido ya fara kallon launi, sannan ya kalli kalar yanayin canjin
ja rawaya koren shuɗi shuɗi fari
ja duniya ja koren dandano rawaya haske kore kore blue haske kore
rawaya violet-dandano ja launin toka-rawaya lemun tsami kore mai haske shudi shudi violet kadan violet
kore mai haske ja orange launin toka koren shunayya ja jajayen magenta
Blue Orange Golden Yellow Green Grey Blue Jajayen Violet Haske Orange
purple orange lemun tsami rawaya rawaya kore blue blue launin toka Violet koren rawaya
An raba bugu zuwa bugu na monochrome da bugu na launi. Monochrome bugu hanya ce ta bugu wacce ta iyakance ga launi ɗaya. Buga launi, a gefe guda, yana ba da damar buga hotuna masu cikakken launi. Yawancin bugu na launi suna amfani da faranti na rabuwar launi don nuna nau'ikan launuka daban-daban, farantin rabuwar launi galibi sun ƙunshi ja (M), rawaya (Y), shuɗi (C) da baƙar fata (K) farantin allo mai launi huɗu.
Sigar rabuwar launi na launi na iya dogara ne akan ƙa'idar rabuwar launi, alamar kai tsaye da rubutu a cikin chromatography na cibiyar sadarwar CMYK cikin lamba. A cikin buƙatar launuka na musamman, wajibi ne a yi amfani da launuka huɗu a waje da launi na musamman, saita nau'in launi na tabo. Za'a iya ƙididdige sigar launi ta musamman ta tambarin launi a cikin chromatography na wani lokaci mai launi, musamman gyara kuskure.
Buga wakilcin launi
Launin buga tawada, gabaɗaya akwai hanyoyi guda biyu.
① kalar bugu ta amfani da tawada mai launi hudu, digo mai gauraya da bugun zoba.
② gauraye bugu tawada, canza launin tabo, wato, amfani da bugu tabo, tare da m launi ko ɗigo wakilci na launi. Wadannan hanyoyi guda biyu na zayyana launi da hanyoyin yin faranti sun bambanta a zanen bugawa.
Grayscale don buga monochrome
A cikin bugu na monochrome, tushe mafi duhu shine 100%; fari shine 0%, kuma nau'ikan launin toka daban-daban suna yin su ta hanyar kiran ɗigo daban-daban, watau ta amfani da sarrafa kashi. Don sauƙaƙe karatu, yawanci a cikin 50% zuwa 100% na sautunan launin toka mai duhu akan aikace-aikacen haruffan fararen fata, kuma tsakanin 50% da 0% tare da haruffa baƙi, amma kuma yakamata a yi la'akari da su bisa ga monochrome daban-daban da hankali. .
Buga launi na lakabin launi huɗu
Ana buga bugu mai launi da ja, rawaya, shuɗi, baƙar fata mai launuka huɗu don samar da launuka daban-daban dubu. Yana iya amfani da launi rabuwa farantin bugu launuka. Koyaya, launi na rubutu ko zane da ake so a cikin ƙira na iya amfani da sikelin launi don tuntuɓar ƙimar CMYK na kowane launi. Amma wasu launuka na musamman irin su zinariya, azurfa da launuka masu kyalli ba za a iya haɗa su da mayafin tawada mai launi huɗu ba, dole ne a buga su da tawada mai launi na farantin launi.
Farantin launi yana canzawa
Bukatun ƙira na zamani sun bambanta kuma sun bambanta, don bayyana yanayin da ya fi dacewa, ko ƙarin tasiri na musamman, kawai mayar da wasu launi na asali na asali, kuma ba za su iya cimma bukatun da ake bukata ba. Sabili da haka, ana iya amfani da tsarin farantin launi don canzawa ko canza tsari da adadin faranti masu launi don cimma buƙatun ƙirar launi na musamman.
Baki da fari tabbatacce ga dichroic
Yin amfani da faranti mai launi guda biyu, ta amfani da latsa mai launi ɗaya sau biyu don kammala bugu, ko canza launi sau ɗaya don kammalawa. Yin amfani da bugu mai launi biyu yawanci yana amfani da farantin baƙar fata mai launi ɗaya, sannan ya shigar da wani launi kamar yadda sautin launi na farantin ɗin ya haɗa bugu. A cikin yanayin asali ba shi da kyau sosai, wannan hanya na bugu biyu-launi, sau da yawa yana haifar da sakamako mara kyau.
Buga maye gurbin farantin launi
Buga maye gurbin launi yana cikin ƙirar bugu, farantin launi na wani canjin launi, yana haifar da canjin farantin launi. Manufar ita ce a bi tasirin hoto na musamman, wanda sau da yawa zai iya haifar da sakamakon da ba zato ba tsammani. A cikin rarrabuwar launi na faranti huɗu, idan biyu ko uku na launuka za a canza su don bugawa, za su canza duk ainihin asalin sautin, wanda zai haifar da manyan canje-canje.
Misali: itacen kore ya ƙunshi rawaya, shuɗi da ɗan baki; idan nau'in rawaya zuwa bugu na ja, yayin da sigar shuɗi ta kasance ba ta canzawa, itacen kore zai zama shuɗi, irin wannan aikin a wasu ƙira da shimfidar wuri da ake amfani da su lokaci-lokaci, zai sami sabon tasiri.
Kyawawan launuka biyu yana cikin nau'ikan nau'ikan nau'ikan biyu na faranti guda hudu za a dauke su, nau'ikan bugu biyu ne kawai, wato, bugu mai launi biyu. Za a iya samar da launi na uku, kamar shuɗi mai gauraye da rawaya don samun kore, don samun inuwar kore ya dogara gaba ɗaya akan rabon shuɗi zuwa dige rawaya da aka samar. Sautin al'ada da aka yi daga hotuna masu launi, ta wani takamaiman farantin launi biyu don bugawa don cimma tasirin launi na musamman.
Lokaci-lokaci, ana amfani da irin wannan nau'in bugu a cikin ƙira don ƙirƙirar sabon ji. Ana iya amfani da shi don ƙirƙirar tasiri na musamman lokacin da aka yi amfani da shi zuwa yanayi, yanayi, lokaci da lokacin yanayi.
Don neman tasirin tonal na musamman, ana iya cire ɗaya daga cikin faranti masu launi huɗu kuma a riƙe farantin mai launi uku. Domin sanya tasirin hoton ya bayyana da kuma shahara, sau da yawa launuka uku a cikin nauyi, sautin duhu na sigar azaman babban launi.
Hakanan zaka iya amfani da ɗaya daga cikin faranti uku a matsayin bugu na launi, alal misali, farantin baki da aka yi da azurfa ko zinariya zai samar da haɗin launi na musamman. Yin amfani da fasaha na canza launi na launi, wanda ya dace da ƙari, ƙarfafawa da kuma tasiri na musamman na aiki.
Monochrome Printing
Buga monochrome yana nufin amfani da faranti ɗaya, wanda zai iya zama baƙar fata, bugu na farantin launi, ko bugun launi. Buga launi na Spot yana nufin daidaitawa na musamman na launi na musamman da ake buƙata a cikin ƙira azaman launi mai tushe, ta hanyar farantin bugawa don kammalawa.
Monochrome bugu an fi amfani da shi sosai kuma yana samar da sautuna masu wadatar iri ɗaya don cimma sakamako mai gamsarwa. A cikin bugu na monochrome, ana iya amfani da takarda mai launi azaman launi mai tushe, buga sakamakon kama da bugu na dichroic, amma tare da dandano na musamman. Launuka na musamman Launuka na musamman sun haɗa da bugu na launi mai sheki da bugu mai kyalli.
Buga launi mai sheki galibi yana nufin bugu na zinariya ko buga azurfa, don yin nau'in launi mai launi, gabaɗaya ta amfani da tawada na zinari ko bugu na azurfa, ko foda na zinariya, foda na azurfa da mai mai haske, wakili mai bushewa, kamar turawa. na bugawa.
Yawancin lokaci hanya mafi kyau don buga zinari da azurfa don shimfiɗa launi na tushe, wannan shi ne saboda zinariya ko azurfa tawada da aka buga kai tsaye a saman takarda, saboda matakin ɗaukar man fetur a kan takarda zai shafi launin zinari da azurfa. tawada . Gabaɗaya magana, bisa ga buƙatun ƙira don zaɓar takamaiman shimfidar sautin. Kamar abin da ake bukata na zinariya gashi dumi luster, za ka iya zabar ja version kamar yadda pavement launi; akasin haka, zaku iya zaɓar shuɗi; idan kuna son duka mai zurfi da haske, zaku iya zaɓar pavement na baki.
Buga launi mai walƙiya yana nufin amfani da farantin launi mai launi na bugu mai kyalli, ta amfani da bugu na tawada mai kyalli, saboda yanayin tawada ya bambanta, launi da aka buga yana da ɗaukar ido da haske. An yi amfani da shi a cikin ayyukan ƙira, na iya haifar da tasiri mai mahimmanci da na musamman.
Disclaimer: Wannan labarin sake buga bayanai ne akan Intanet, haƙƙin mallaka na asali ne. Muna sake buga wannan labarin don manufar yada ƙarin bayani, babu amfani na kasuwanci. Da fatan za a tuntuɓi edita don batutuwan haƙƙin mallaka. Wannan magana tana ƙarƙashin fassarar ƙarshe na jama'a.
Lokacin aikawa: Maris-08-2023