Fahimtar launin launi a Digital Photography
RGB, CMYK ... shi sauti kamar bunch of haruffa hawan. Su ne, a gaskiya, amfani da su wajen bayyana launi a cikin duniyar daukar hoto. Yana da mahimmanci ga masu daukan hoto su fahimci waɗannan kalmomin biyu saboda suna da tasirin gaske a kan launi na hotunanku, a kan allo da kuma buga.
Bayani mai mahimmanci shine: RGB shine don yanar gizo kuma CMYK shine don kwafi. Wannan abu ne da ya fi rikitarwa fiye da haka, don haka bari mu dubi launi.
Menene RGB?
RGB yana nufin Red, Green, da Blue kuma yana magana da launuka guda uku da za'a iya haɗuwa tare a cikin bambance-bambancen daban don samar da launi daban-daban.
Lokacin da ka ɗauki hoto a kan DSLR , kamararka za ta tsara harharka ta amfani da bidiyon RGB. Masu lura da kwamfuta suna aiki a RGB , saboda haka yana da sauƙi ga masu amfani su yi tsammanin abin da suke gani a kan allo na LCD za su kasance abin da suke gani a kan idanuwansu.
RGB an san shi azaman karar launi, kamar yadda ya dogara akan ƙara nau'i daban-daban na launuka uku don yin launi daban-daban.
- A cikin RGB bakan, akwai matakan haske 256 wanda ke samar da 16,777,216 (256x256x256) launi.
- Ta hanyar saita kowace launin RGB zuwa saitin "0," za mu iya samar da baki.
- Haka kuma, saitin "255" a kowane launi yana haifar da fararen.
Sabili da haka, RGB shine samfurin masana'antu don DSLR da masu duba kwamfuta, saboda yana ba mu damar duba launuka masu gaskiya a kan allon.
Mene ne CMYK?
Duk da haka, idan muna so mu buga hotunanmu ta yin amfani da launi mai kyau, muna buƙatar canzawa zuwa CMYK. Wannan yana nufin Cyan, Magenta, Yellow, da Black.
CMYK wani launi mai laushi ne, kamar yadda cyan, magenta, da launin rawaya suka yi amfani da su azaman filtura. Wannan yana nufin cewa sun janye nau'in ja, kore, da kuma blue daga haske mai haske don samar da launi daban-daban.
Sabili da haka, hoton da aka nuna akan mai saka idanu na kwamfuta bazai dace da bugawa ba, sai dai idan an juya RGB a cikin CMYK. Kodayake masu bugawa da yawa sun juya daga RGB zuwa CMYK ta atomatik, tsarin bai riga ya zama cikakke ba. Yayin da RGB ba shi da tashar sadaukarwa na kwazo, baƙi sukan iya bayyanawa da yawa sosai.
Yin aiki tare da masu bugawa
Fasaha ya samo asali a cikin 'yan shekarun nan kuma ba lallai ya zama dole a yi wani tuba daga RGB zuwa CMYK lokacin da kake buƙatar buga hoto. Duk da haka, akwai wasu lokutta inda wannan wajibi ne.
Bugu a gida
Yawancin mawallafi na tebur a gidaje da ofisoshin amfani da inks CMYK. Harkokin aikin bugawa a cikin aikace-aikacen software da kuma masu bugawa yanzu suna aiki sosai don canza launuka RGB a cikin CMYK.
A mafi yawancin, ɗigin gida bai buƙatar damuwa game da fassarar ba. Duk da haka, idan ka ga cewa baƙonka ba daidai ba ne, zaku iya yin fassarar kuma jarraba gwaji don ganin idan wannan yana taimakawa.
Yin aiki tare da Siffofin Kasuwanci
Akwai nau'i daban-daban na kasuwanci da za ka iya aiki tare da wasu kuma zasu iya tambayarka ka canza hoto zuwa CMYK.
A mafi yawan lokutta a yau, baza ku sami tuba ba. Wannan shi ne ainihin gaskiya lokacin amfani da hoton bugun hoto. Masarrafinsu da masu fasaha zasu saba da kalubale masu yawa na launi don samar da mafi kyawun hoto. Suna so su sa abokin ciniki farin ciki kuma sun san cewa kowa ba shi da cikakkiyar fahimtar fasaha.
Idan ka ɗauki aikinka ga kwararren fim na kwarai don abubuwa kamar postcards, brochures, da dai sauransu, zasu iya tambaya don hoton a cikin CMYK. Wannan shi ne saboda shine tsarin da suke koyaushe tare da. CMYK, wanda aka fi sani da bugu da launi hudu, kwanan baya zuwa kwanakin wallafa launi da kuma sarrafawa kafin fasaha na zamani ya ma da tunaninsa.
Juyawa daga RGB zuwa CMYK
Idan kana buƙatar juyar da hoton daga CMYK zuwa RGB don takarda, yana da sauƙi kuma kusan kowane kayan gyaran hoto yana da wannan zaɓi.
A Photoshop, yana da sauƙi kamar yadda kake zuwa: Image> Mode> CMYK Color.
Da zarar ka aika da fayil zuwa firfintar ka, yi aiki tare da su kuma yi jarrabawar gwaji (wata hujja) don tabbatar da launi shine abin da kake sa ran. Bugu da ƙari, suna so abokin ciniki ya yi farin ciki kuma zai yi farin cikin tafiya da kai ta hanyar aiwatarwa.