Matsayin hoto shine adadin ɗigon ko pixels a kowane yanki na yanki. Wannan zabin zai kayyade yadda hoton zai kasance idan an buga shi. A zahiri, hoto wanda ya ƙunshi pixels 72 a cikin inch guda zai kasance mafi inganci fiye da hoto tare da ƙuduri na 300 dpi.
Yana da mahimmanci a lura cewa akan mai saka idanu ba zaku lura da bambanci tsakanin ƙudurin ba, muna magana ne kawai game da bugawa.
Don guje wa rashin fahimta, muna ayyana sharuddan dot da pixel, saboda, maimakon daidaitaccen ma'anar "ppi" (pixels da inch), a cikin amfani da Photoshop "dpi" (dpi). Pixel - aya a kan allo, kuma dot - wannan shi ne abin da ke sanya firintar a takarda. Zamuyi amfani da duka biyun, tunda a wannan yanayin bashi da mahimmanci.
Yanayin hoto
Girman ainihin hoton, shine, waɗanda muke samu bayan bugawa, kai tsaye ya dogara da ƙudurin ƙuduri. Misali, muna da hoto da girma na 600x600 pixels da ƙuduri na 100 dpi. Girman ainihin zai zama inci 6x6.
Tunda muna magana ne game da bugawa, muna buƙatar ƙara ƙuduri zuwa 300dpi. Bayan waɗannan matakan, girman bugu zai ragu, tunda a cikin inch muna ƙoƙarin "dacewa" ƙarin bayani. Muna da karancin pixels kuma sun dace da ƙaramin yanki. Dangane da haka, yanzu girman hoton shine inci 2.
Canja ƙuduri
Mun fuskanci aikin ƙara ƙuduri na daukar hoto don shirya shi don bugawa. Inganci a wannan yanayin fifiko ne.
- Sanya hoto zuwa Photoshop kuma je menu "Hoto - Girman hoto".
- A cikin taga saiti na girman, muna da sha'awar kan tubalan guda biyu: "Ragewa" da "Girman bugawa". Bulo na farko ya gaya mana adadin pixels suke a cikin hoton, kuma na biyu - ƙuduri na yanzu da kuma daidaitaccen girman.
Kamar yadda kake gani, girman bugun shine 51.15 x 51.15 cm, wanda yake yayi yawa sosai, wannan hoton hoton yayi kyau.
- Bari muyi ƙoƙarin ƙara ƙuduri zuwa pixels 300 a inch ɗaya kuma mu kalli sakamakon.
Manuniya masu girma sun ninka sama da sau uku. Wannan saboda gaskiyar cewa shirin yana adana madaidaicin girman hoto ta atomatik. A kan wannan, Photoshop ɗinmu ƙaunatacce kuma yana ƙaruwa da adadin pixels a cikin takaddar, kuma yana cire su daga kai. Wannan ya ƙunshi asarar inganci, kamar yadda yake tare da faɗaɗa hoto na al'ada.
Tunda aka yi amfani da matsawa a baya a hoto Jpeg, halayyar kayan gargajiya na tsarin sun bayyana a kanta, mafi yawan abin lura akan gashi. Wannan bai dace da mu ba ko kaɗan.
- Sauƙaƙan dabarar za ta taimaka mana mu guji ƙarancin inganci. Ya isa mu tuna girman hoton.
Theara ƙuduri, sannan sanya takaddara na farko a fannonin girman.
Kamar yadda kake gani, girman bugun ya kuma canza, yanzu idan muka buga, zamu sami hoto kadan fiye da 12x12 cm cikin inganci mai kyau.
Zabi na Yankewa
Ka'idar zabi ƙuduri ita ce kamar haka: kusantar mai kallo shine sifar, mafi girman ƙimar da ake buƙata.
Don samfuran da aka buga (katunan kasuwanci, littattafai, da sauransu), a kowane yanayi, izinin akalla 300 dpi
Don masu aikawa da masu aikawa waɗanda masu kallo za su dube daga nesa na kusan 1 - 1.5 m ko fiye, ba a buƙatar cikakken bayanai, don haka zaku iya rushe darajar zuwa 200 - 250 pixels da inch
Shagon windows, wanda daga nesa yake hango nesa, ana iya yin ado da hotuna tare da ƙuduri na har zuwa 150 dpi
Babban banners na talla, wanda yake a nesa mai nisa daga mai kallo, ban da ganin su a takaice, zai yi tsada sosai 90 dige da inch.
Don hotunan da aka yi niyya don labarai ko kawai bugawa akan Intanet, isa 72 dpi
Wani muhimmin mahimmanci yayin zabar ƙuduri shine nauyin fayil ɗin. Sau da yawa, masu zanen kaya suna ɓoye abun cikin pixels a inch, wanda ke haifar da karuwa gwargwadon nauyin hoton. Dauki, alal misali, banner tare da ainihin girma na 5x7 m da ƙuduri na 300 dpi. Tare da waɗannan sigogi, daftarin aiki zai juya kusan pixels 60000x80000 kuma zai "ja" kusan 13 GB.
Ko da damar kayan aikin kwamfutarka yana ba ka damar aiki tare da fayil ɗin wannan girman, gidan bugawar ba zai yiwu ya yarda ya ɗauke ta zuwa aiki ba. A kowane hali, zai zama dole a bincika game da buƙatun da suka dace.
Wannan shi ne duk abin da za a iya faɗi game da ƙuduri na hotuna, yadda za a canza shi, da irin matsalolin da ka iya fuskanta. Bada kulawa ta musamman kan yadda ƙuduri da ingancin hotuna akan allon mai duba da lokacin da aka daidaita bugu, da kuma adadin ɗigo-inci ɗaya zai isa ga yanayi daban-daban.
