Yanayin Fayil na Hotuna da kuma lokacin da za a Yi amfani da kowannensu

JPEG, TIFF, PSD, BMP, PICT, PNG, da GIF sun bayyana

Kuna damuwa game da wane nau'i na fasali don yin amfani da lokacin, ko kuma ku yi mamakin abin da bambanci yake tsakanin JPEG , TIFF, PSD, BMP, PICT, da PNG?

Ga wadansu jagorori na gaba daya:

A nan akwai bayanan ɗan gajeren bayanin fayilolin faye na yau da kullum, tare da hanyoyin da za su bi don ƙarin bayani:

Lokacin amfani da JPEG

Kungiyar Gudanar da Hotunan Hotuna (JPEG ko JPG) mafi kyau ga hotuna idan kana buƙatar kiyaye ƙananan ƙananan fayiloli kuma kada ka damu da watsar da wasu ingancin don raguwar raguwa a girman. Yaya fayil ɗin ya ƙarami? JPEG an fi la'akari da shi "kasancewa". A cikin sauƙi, idan aka ƙirƙiri JPEG fayil ɗin compressor ya dubi hoton, yana gano wurare na launi na kowa da kuma amfani dasu a maimakon. Maɗaukaki shine launuka wanda ba'a la'akari da su suna "ɓacewa," saboda haka adadin bayanin launi a cikin hoto ya rage abin da ya rage girman fayil din.

Lokacin da aka halicci fayil na JPG ana yawan tambayarka don saita darajar darajar kamar hotuna Hotuna Photoshop waɗanda ke da dabi'u a kan 0 zuwa 12. Duk wani abu a ƙasa 5 zai iya haifar da wata siffar da aka fizge saboda an adadin yawan bayanai don rage girman fayil. Duk wani abu tsakanin 8 da 12 an dauki shi mafi kyau.

JPEG ba dace da hotuna tare da rubutu, manyan launi na launin launi, ko siffofi masu sauƙi saboda kullun da za su yi haske kuma launuka zasu iya motsawa. Sakamakon JPEG kawai yana ba da zabin Baseline, Baseline Optimized, ko Ci gaba.

Lokacin amfani da TIFF

TIFF (Tagged Image File Format) yana da kyau ga kowane irin bitmap (pixel na tushen) hotuna ƙaddara don buga saboda wannan format yana amfani da CMYK launi. TIFF tana samar da manyan fayilolin godiya ga tsarin ƙira na 300 ppi ba tare da asarar hasara ba. TIFF kuma tana adana layi, alpha nuna gaskiya, da sauran siffofi na musamman lokacin da aka ajiye daga Photoshop. Irin ƙarin bayanan da aka adana tare da fayilolin TIFF sun bambanta a cikin daban-daban na Photoshop, don haka nemi shawara ga Photoshop don ƙarin bayani.

Lokacin amfani da PSD

PSD shine hotunan hotunan Photoshop. Yi amfani da PSD lokacin da kake buƙatar adana layi, nuna gaskiyarsu, gyare-gyaren tsarin, maskoki, hanyoyi masu ɓoye, tsarin layi, tsarin haɗi, rubutu na kayan rubutu, da siffofi, da dai sauransu. Ku tuna kawai, waɗannan takardun za a bude su a Photoshop kodayake wasu masu gyara hotuna zai bude su.

Lokacin amfani da BMP

Yi amfani da BMP don kowane irin bitmap (hotunan na tushen) hotuna. BMPs manyan fayiloli ne, amma babu asarar inganci. BMP ba shi da wani amfani mai kyau a kan TIFF, sai dai ba za ka iya amfani dashi ba don fuskar bangon waya. A gaskiya ma, BMP yana ɗaya daga cikin siffofin da aka bar daga farkon farkon na'urori na kwamfuta kuma yana da wuya, idan an taba amfani dasu a yau. Wannan ya bayyana dalilin da ya sa aka kira shi a wasu lokuta a matsayin "ladabi".

Lokacin amfani da PICT

PICT tsoho ne, Tsarin Mac-bitmap kawai aka yi amfani da shi don Saukewa na Quickdraw, Kamar zuwa BMP don Windows, PICT ba a yi amfani da ita a yau ba.

Lokacin amfani da PNG

Yi amfani da PNG lokacin da kake buƙatar ƙananan fayilolin fayil ba tare da hasara a cikin inganci ba. Filayen PNG sun fi ƙananan hotuna TIFF. PNG yana goyan bayan nuna haruffa (gefe mai laushi) kuma an ci gaba da zama sauyawa na shafin yanar gizon GIF. Yi la'akari da cewa idan kana so ka riƙe cikakken gaskiya , zaka buƙaci ajiye fayil ɗin PNG naka kamar PNG-24 kuma ba PNG-8. PNG-8 yana da amfani don rage girman fayil ɗin fayiloli na PNG lokacin da ba ka buƙatar nuna gaskiya, amma yana da iyakoki irin launi guda kamar fayilolin GIF .

Tsarin PNG yana da amfani da shi a yayin ƙirƙirar hoton don iPhones da iPads. Kawai zama hotunan hotunan ba su sa duk abin da ya dace ba. Dalilin shi ne kng shine nauyin rashin asarar, ma'anar akwai matukar kadan idan wani matsalolin ya shafi wani hoto wanda ya haifar da manyan fayilolin fayiloli fiye da 'yan uwan ​​.jpg.

Lokacin amfani da GIF

Yi amfani da GIF don shafukan yanar gizon mai sauƙi masu iyakance har zuwa 256-launi. Fayil na GIF kullum suna raguwa zuwa 256 launuka daban-daban ko ƙasa kuma suna yin ƙananan ƙananan hotuna masu yawa don yanar gizo . GIF yana da kyau ga maɓallan yanar gizo, sigogi ko zane-zane, zane-zanen zane-zane, banners, da rubutun rubutu. Ana amfani da GIF don karamin yanar gizon. GIF ya kamata a yi amfani da shi don hotunan kodayake akwai taswirar GIF da GIF Animations na godiya ga karuwar wayar hannu da kafofin watsa labarun.