Cov kab lus "tawm ntawm gamut" yog hais txog ntau yam xim uas tsis tuaj yeem ua dua nyob rau hauv CMYK xim chaw siv luam ntawv luam tawm. Graphics software yog tsim los ua haujlwm nrog cov duab hauv RGB xim qhov chaw thoob plaws hauv txheej txheem editing.
RGB xim qhov chaw muaj ntau ntau yam txawv ntawm cov xim discernible dua CMYK uas piav txog vim li cas RGB cov xim yuav tsaus ntuj thaum tsiv mus rau CMYK. Thaum koj sau ib daim duab nws yuav tsum raug muab tso nrog cov phev thiab cov thaub qab no tsis tuaj yeem tsim muaj ntau yam xim uas peb pom nrog peb ob lub qhov muag vim tias RGB xim chaw siv lub teeb, tsis yog xim, los ua kom muaj xim.
Vim hais tias cov gamut ntawm cov xim uas tuaj yeem ua nrog rau number case ntau dua li peb pom, txhua yam xim uas tsis tuaj yeem ua nrog tus number case yog hu ua "tawm ntawm gamut." Hauv graphics software, feem ntau koj yuav pom cov lus ceeb toom ntawm gamut thaum koj xaiv xim uas yuav hloov thaum muaj duab hloov dua tshiab los ntawm RGB xim qhov chaw siv hauv kev kho txheej txheem, rau CMYK chaw siv luam ntawv.
Cov duab saum toj no muab rau koj ib tug pom nraaj pom ntawm kev nkag siab gamut. Lub npov txheej yog tag nrho cov xim uas paub cov txiv neej niaj hnub no, nrog rau tag nrho cov xim peb pom thiab cov uas peb tsis muaj peev xwm, xws li Ultraviolet thiab Infrared.
Thawj lub voj voog yog 16 lab xim nyob hauv RGB colour palette thiab lub voj voog hauv puab yog tag nrho cov xim uas tuaj yeem tsim tawm los ntawm kev luam xovxwm. Ntawd qhov teeb meem hauv nruab nrab, rau txhua lub hom phiaj thiab lub hom phiaj, yog lub qhov dub. Yog tias koj tsiv ntawm lub ces kaum ntawm lub npov rau ntawm lub pob, cov xim tseem ceeb tuaj yau. Lawv tau sib zog thaum koj tsiv tawm.
Yog tias koj xaiv xim nyob rau hauv lub RGB gamut, nws yuav muaj sib npaug hauv CMYK gamut tab sis, nrog rau qhov sib txawv. Yog hais tias ib qho xim txav mus rau ntawd qhov dot nws tau darker.
Kho dua los ntawm ntsuab ntsuab
Graphics Glossary