Mataki na 1: Loda naka TIFF fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.
Mataki na 2: Danna maɓallin 'Maida' don fara hira.
Mataki na 3: Sauke fayil ɗin da aka canza GIF fayiloli
TIFF zuwa GIF Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza TIFF zuwa GIF ba tare da rasa ingancin hoton ba?
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Ka shigar da fayil ɗinka TIFF, sa'an nan mai maidamu zai yi amfani da ingantattun ingancin ingancin ingancin ingancin ingancin fitarwa GIF. Don sifofin da ba su da asara (PNG, TIFF, BMP) muna kiyaye kowane piksel; don sifofin da ke da asara (JPG, WebP) zaka iya daidaita ma'aunin ingancin kafin ka sauke.
Me ya faru da layuka cikin fayil ɗin TIFF?
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An yi musu tace, na daɗaɗɗa, cikin wani hoton haɗe-haɗe guda. Hanyoyi na haɗe-haɗe, maskara, layuka na daidaitawa da rubutun da za'a iya gyarawa an warware su duka cikin pixels na ƙarshe saboda GIF ba ta da wani tsari da za'a riƙe su. Ka riƙe TIFF kamar mai aiki mai girma kuma ka yi wa GIF aiki kamar wani fitarwa. @ action GIF's 256-color ceiling wrecks gradients and video stills, and its file sizes for animation are an order of magnitude worse than WebP or MP4.
Shin launina na CMYK zai iya tsira daga canjin zuwa GIF?
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An canja shi zuwa sRGB, saboda GIF ba shi da yanayin CMYK. Don amfanin fuskar kwamfyuta wannan shi ne abin da kake so. Don bugawa na kasuwanci ba shi da haka — canjin gamut na canza yadda launuka masu zafi ke sakewa a kan bugawa, don haka aika da marufin da asali TIFF maimakon GIF.
Shin GIF na riƙe bayanan EXIF daga TIFF na?
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A matsayin diff, na'am, duk inda manufar take da wani wuri don sanya shi - nau'in kamara, daidaitattun nunawa, linzamin kwamfuta da GPS coordinates duk suna daukewa. GPS shine filin da ya cancanci tunani: idan hoton zai kasance an wallafa shi, amfani da zaɓin metadata-strip don haka ba ka daukewa inda hoton aka dauka. TIFF shi ne Format na Fayil na Hoto mai Dauke da Alama daga 1986, kuma shi ne format na scanning, publishing da kuma masana'antu na adana bayanai da aka ƙaddara a kan.
Shin, akwai wani abu da aka rasa a cikin canja wurin tsakanin TIFF da GIF?
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Ba da bayanai game da piksel, ba. Nau'ukan biyu suna adana hoton ba tare da ƙuntata ba, don haka hoton da ke fitowa yana daidai da wanda ya shiga kuma ana iya sake canzawa ba da daɗewa ba. Abin da ke canzawa shine girman fayil, da kuma abin da ke tafiyar da fasali - zurfin launin, siffofin da aka rufe, layuka da motsi ana goyon baya su duka ba daidai ba tsakanin nau'ukan da ba su da asara. TIFF wani akwatin da ya fi codec: zai iya riƙe bayanai ba-da-ƙuƙumi, LZW, ZIP ko har ma JPEG, a har zuwa bita 32 ga kowace hanya, da shafuka da yawa a cikin fayil guda. GIF ba ta da asara amma tana da iyaka a kan 256-launi na launi a kowace firam, ta amfani da ƙuntata LZW da cece-kuce na launin daya na binary.
Shin canji daga TIFF zuwa GIF zai kiyaye haske?
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Hasken gani zai ci gaba idan aka je zuwa PNG, WebP, TIFF, GIF, ko SVG. Canja zuwa JPG zai sauya layin alfa zuwa bango mai fari — idan kana buƙatar hasken gani, ka yi niyya ga wani siffar hasken gani mai sani ba GIF ba.
Shin siffar launina (sRGB / Adobe RGB / CMYK) za ta tsira daga TIFF zuwa GIF?
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An karanta siffofin launin ICC da aka rufe daga wurin asali TIFF kuma aka sake haɗa su zuwa fitarwa GIF inda siffar ke goyon baya (JPG, PNG, TIFF, WebP). Siffofin da ba su da goyon bayan siffar suna komawa zuwa sRGB.
Me ya faru game da metadata EXIF yayin canja TIFF zuwa GIF?
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An kiyaye EXIF na kamara (ISO, shutter, lens, GPS) bisa diff yayin da ake canja TIFF → GIF idan nau'ikan biyu suna goyon bayan metadata. Yi amfani da zaɓin sirri don cire metadata kafin ka sauke idan kana so ka raba hotuna ba tare da wurin geolokaci ba.
Na'am — ka ja fayiloli TIFF da yawa cikin yankin shigarwa kuma mu sanya su cikin jerin gwano a daidai. Masu amfani da kyauta suna samun 100MB ga kowace fayil; Premium ba shi da wani mataki na kowace fayil kuma yana tafiyar da wasu ma'aikata masu daidai, don haka wani bangare na 200-images na iya kammala cikin minti biyu.
Ta yaya TIFF zuwa GIF ke kwatanta da Photoshop / GIMP ga aikin guda ɗaya?
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@ action
Mene ne ma'anar da girman fayil GIF na?
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Halin diff shine 1:1 — fitarwa GIF tana da daidaitattun girman piksel kamar yadda wurin asali TIFF. Yi amfani da wani mataki na daban na /resize-image/ bayan canjawa idan kana buƙatar rage girma ko ƙara girma a matsayin ɓangare na tafiyar aiki.
Yaya ƙaramin fayil GIF zai iya zama ba tare da artifacts masu gani ba?
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Ga JPG / WebP, inganci 75-85 na iya samun fayil 60-80% mafi ƙaranci fiye da asali TIFF ba tare da bambanci mai gani ba a tsayin gani na yau da kullum. Ga burin da ba a rasa ba (PNG, TIFF), ka yi tsammanin adadin adadin da ya fi ƙaranci - a kan 5-30% ta hanyar ficewa / LZW mai kyau.
