Uyini umehluko phakathi kwe-RGB kanye ne-CMYK uma kwenzeka i-Iphrinta ye-inkjet?
Imodeli yombala we-RGB imibala emithathu eyinhloko yokukhanya. Obomvu, Oluhlaza, kanye noLuhlaza okwesibhakabhaka. Le mibala emithathu eyinhloko, enezilinganiso ezahlukene ezingadala uhla lwemibala. Ngokwethiyori, ukukhanya okuluhlaza, okubomvu kanye noluhlaza okwesibhakabhaka kungahlanganiswa neminye imibala.
Yaziwa nangokuthi i-KCMY, i-CMY isifinyezo se-yellow, i-cyan kanye ne-magenta. Lena imibala eyakha ama-intermediate ku-RGB (ama-shades amathathu ayinhloko okukhanya) ahlanganiswe ngamabili angumbala ohambisanayo we-RGB.
Ngaphambi kokuba singene emininingwaneni, ake sicabangele lokhu:
Esithombeni kusobala ukuthi umbala we-CMY uwukuxubana okususelwe kokunye. Lona umehluko omkhulu, pho kungani iphrinta yethu yezithombe kanye nephrinta ye-UV kuyi-KCMY? Lokhu kungenxa yokuthi ubuchwepheshe obusetshenziswayo njengamanje abukwazi ukukhiqiza imibala emsulwa kakhulu. Ingxube ye-tricolour ingahluka kancane kumnyama ojwayelekile, kodwa kunalokho ibomvu elimnyama, okudinga ukuthi kube noyinki omnyama okhethekile ongawuqeda amandla.
Ngokwethiyori, i-RGB empeleni umbala wemvelo, okuwumbala otholakala kuzo zonke izinto zemvelo esikwazi ukuzibona.
Ezikhathini zanamuhla, amanani ombala we-RGB aboniswa ezikrinini ezihlukaniswa ngemibala ekhanyayo. Lokhu kungenxa yokuthi ukukhanya kungcono kakhulu, ngakho-ke umbala onembile kakhulu ubonisa amanani ombala we-RGB. Ngakho-ke singahlukanisa imibala ebonakalayo njengemibala ye-RGB.
Ngokuphambene nalokho, imibala ye-KCMY 4 imelela amaphethini emibala ahloselwe ngqo ukuphrinta kwezimboni. Ayikhanyi. Uma nje iphethini yombala iphrintiwe kumidiya ehlukahlukene kusetshenziswa imishini yesimanje yokuphrinta Imodi yombala ingahlukaniswa ngaphansi kwemodi ye-KCMY.
Ake sibheke umehluko wemodi yombala we-RGB, kanye nemodi yombala ye-KCMY ku-Photoshop:
(ngokuvamile ukwakheka kwezithombe kuzoqhathanisa umehluko phakathi kwemibala emibili ngenhloso yokuphrinta okuklebhukile)
I-Photoshop isethe izindlela ezimbili zemibala i-RGB ne-KCMY ukuze yenze umehluko. Eqinisweni, umehluko awumkhulu ngemva kokuphrinta, kodwa uma uqhathanisa isithombe ku-RIP nemodeli ye-RGB, uzobona ukuthi umphumela wokuphrinta umehluko omkhulu uma uqhathaniswa nesithombe sokuqala.
Uma ufuna ukufunda okwengeziwe, sicelaXhumana nathi.
Isikhathi sokuthunyelwe: Okthoba-12-2022