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TIFF ir RAW formatai

 
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vr6gti
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Joined: 14 Dec 2006
Posts: 135
Location: chicago

PostPosted: Sat Jun 30, 2007 7:14 pm    Post subject: TIFF ir RAW formatai Reply with quote

TIFF (tagged Image File Format) suteikia labai auksta kokybe nuotraukai todel kad nesuspaudzia failo. Taip pat tokie failai uzima labai daug vietos (mazdaug 15mb kai tarkim aukstos kokybes JPEG uzima apie 2mb). Tokie failai greit uzpildys jusu fotoaparato atminties kortele o nufototografavus reiks palaukti keleta sekundziu kol isirasys failas ir per ta laika negalesite nufotografuot daugiau nuotrauku. Tad jeigu noresite daryt koki plakata is nuotraukos naudokit TIFF (aishku jeigu tai leidzia jusu fotoaparatas)

RAW formatas, geriausias is visu formatu. Jusu fotoaparatas siek tiek pats "pagrazina" nuotraukas (pareguliuoja spalvas, kontrasta ir pan.) RAW formatas iraso tai ka mato fotoaparatas be jokiu pakoregavimu. RAW formatas vadinamas "skaitmeniniu negatyvu" todel kad visa nuotraukos koregavima jus turit atlikt atsidare faila kompiuteryje. Jeigu fotografavot RAW formatu ir veliau nusprended jog buvot nustate ne toki ISO kokio reikejo, jus galit pakeisti ISO greiti. 6 megapixeliu fotoaparate tokie failai uzima mazdaug 6mb.

Taigi jei fotografuojant matot kad bus grazi nuotrauka patartina perjungt i TIFF arba RAW formata, visa kita galima fotografuot JPEG formatu kuris neuzima tiek daug vietos.
P.S. jeigu tvarkote jpeg formato nuotrauka patartina ishsaugoti ja TIFF formatu (priklausomai nuo programos) nes kiekviena karta atidarius ir per nauja ishsaugojus jpeg faila suprasteja nuotraukos kokybe.
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