Yog tias koj tshiab rau lub ntiaj teb ntawm kev luam ntawv, ib qho ntawm thawj yam koj yuav tsum paub txog yog DPI. Nws sawv cev rau dab tsi? Dots ib nti. Thiab vim li cas nws thiaj li tseem ceeb? Nws hais txog tus lej ntawm cov dots luam tawm raws kab ib nti. Tus lej DPI siab dua, cov dots ntau dua, thiab yog li ntawd koj cov ntawv luam tawm yuav ntse dua thiab raug dua. Nws yog txhua yam hais txog qhov zoo ...
Dot thiab pixels
Ib yam li DPI, koj yuav pom lo lus PPI. Qhov no sawv cev rau pixels ib nti, thiab nws txhais tau tib yam. Ob qho tib si yog qhov ntsuas ntawm qhov kev daws teeb meem luam tawm. Qhov kev daws teeb meem siab dua, qhov zoo dua koj cov ntawv luam tawm yuav yog - yog li koj tab tom nrhiav kom mus txog qhov chaw uas cov dots, lossis pixels, tsis pom lawm.
Xaiv koj hom luam ntawv
Feem ntau cov tshuab luam ntawv muaj ntau hom kev xaiv luam ntawv, thiab qhov no feem ntau yog ib qho kev ua haujlwm uas tso cai rau koj luam ntawv ntawm DPIs sib txawv. Koj qhov kev xaiv ntawm qhov kev daws teeb meem yuav nyob ntawm hom taub hau luam ntawv uas koj lub tshuab luam ntawv siv, thiab tus tsav tsheb luam ntawv lossis RIP software uas koj siv los tswj lub tshuab luam ntawv. Tau kawg, kev luam ntawv hauv DPI siab dua tsis yog tsuas yog cuam tshuam rau qhov zoo ntawm koj cov ntawv luam ntawv xwb, tab sis kuj tseem cuam tshuam rau tus nqi, thiab muaj kev pauv pauv ntawm ob qho tib si.
Cov tshuab luam ntawv inkjet feem ntau muaj peev xwm ntawm 300 txog 700 DPI, thaum cov tshuab luam ntawv laser tuaj yeem ua tiav txhua yam ntawm 600 txog 2,400 DPI.
Koj qhov kev xaiv DPI yuav nyob ntawm seb tib neeg yuav saib koj daim ntawv luam ze npaum li cas. Qhov deb ntawm kev saib ntau npaum li cas, cov pixels yuav tshwm sim me dua. Yog li, piv txwv li, yog tias koj luam ib yam dab tsi zoo li daim ntawv qhia lossis daim duab uas yuav pom ze, koj yuav tsum xaiv li 300 DPI. Txawm li cas los xij, yog tias koj luam daim ntawv tshaj tawm uas yuav pom ntawm ob peb ko taw deb, koj tuaj yeem khiav nrog DPI ntawm li 100. Daim ntawv tshaj tawm pom ntawm qhov deb dua, uas yog 20 DPI yuav txaus.
Ua li cas txog cov xov xwm?
Lub substrate uas koj luam ntawv kuj yuav cuam tshuam rau koj qhov kev xaiv ntawm DPI zoo tagnrho. Nyob ntawm seb nws permeable npaum li cas, cov xov xwm tuaj yeem hloov qhov tseeb ntawm koj cov ntawv luam tawm. Piv cov DPI tib yam ntawm daim ntawv glossy coated thiab daim ntawv uncoated - koj yuav pom tias daim duab ntawm daim ntawv uncoated tsis ntse npaum li daim duab ntawm daim ntawv glossy. Qhov no txhais tau tias koj yuav tsum kho koj qhov chaw DPI kom tau tib theem zoo.
Thaum tsis paub meej, siv DPI siab dua li koj xav tias koj xav tau, vim nws zoo dua kom muaj ntau yam meej dua li tsis txaus.
Yog xav tau cov lus qhia txog DPI thiab qhov chaw teeb tsa ntawm lub tshuab luam ntawv, nrog cov kws tshaj lij luam ntawv tham ntawm Whatsapp/wechat: +8619906811790 lossis tiv tauj peb ntawm lub vev xaib.
Lub sijhawm tshaj tawm: Cuaj hlis-27-2022