Da yawa daga cikin Black & White

01 na 06

Girman digiri vs. Line Art

A cikin daukar hoto, Hotunan Black & White suna shayewa da launin toka. A zane-zane na hoto waɗannan hotuna B & W suna kiransa ma'auni don bambanta su daga layi da launi.

Girman kantin tallace-tallace na ƙananan hotuna don matakan haske kamar yadda ya saba da bayanin launi. Hotuna mai siffar launin nau'i shine 256 tabarau na launin toka daga 0 (black) zuwa 255 (farin).

Black & White Line Art ne yawanci 2-launi (yawanci baki da fari) zane-zane, alkalami da zane-zane, ko zanen fensir. Ana iya yin hoton hoto zuwa zane-zanen layi (kamar yadda aka gani a cikin zane) don sakamako na musamman amma tare da baki kawai ko farar fata, cikakkun bayanai na hotuna sun ɓace.

A lokacin da aka canza hoto zuwa launi na B & W, hoto mai siffar launin ƙuri ne makasudin.

02 na 06

RGB Images

Ko da yake yana yiwuwa a duba hoto mai launi a cikin ƙananan ƙananan digiri ko ɗaukar hotunan B & W (tare da wasu kyamarori) ta haka ne zazzage launi, yawancin hotuna da muke aiki tare da farawa a launi.

Girman launi da hotunan kyamarori na yau da kullum suna cikin tsarin RGB. Idan ba, yana da sau da yawa al'ada don juyawa zuwa RGB da kuma aiki tare da hoton (gyara a cikin shirin software graphics) a cikin wannan tsari. RGB hotuna kantin tallace-tallace na ja, kore, da kuma blue cewa zai zama al'ada ya zama siffar launi. Kowane launi yana da bambancin launin ja, kore, da kuma blue.

Wani lokaci yana da mahimmanci ko kyawawa don bugawa ko nuna hotunan Black & White. Idan siffar asali ta kasance a cikin launi, za a iya amfani da shirin software ta hotuna irin su Adobe Photoshop ko Corel Photo-Paint don canza launin launi zuwa wasu nau'i na baki da fari.

Akwai hanyoyi da yawa don samo hotunan B & W daga launi mai launi.Each yana da nasarorinsa da kwarewa da kuma mafi amfani. Tabbatacce da kuskure shine yawanci mafi kyau. Mafi yawan hanyoyin da aka yi amfani dashi suna amfani da "zaɓi zuwa" wanda aka yi amfani da shi a cikin ƙirar gyare-gyaren hoto.

03 na 06

Tashi zuwa Girmin Girma

Ɗaya daga cikin hanyoyin da ya fi sauƙi kuma sau da yawa don samun launin daga launi mai launi shi ne maida shi zuwa Girman Girmin - wani zaɓi na kowa a cikin kayan gyare-gyaren hoto. Lokacin da ya canza siffar launi na RGB zuwa ƙananan ƙananan allo an maye gurbin launi tare da tabarau na launin toka. Hoton bai kasance cikin RGB ba.

Inkjet masu wallafa kamar RGB don haka zaka iya samun sakamako mai kyau idan ka juyo da hotunan zuwa RGB bayan ƙaddamarwa - zai kasance inuwa ta launin toka.

Corel Photo-Paint : Hotuna> Juyawa zuwa ...> Girman Girma (8-bit)
Adobe Photoshop : Hoto> Yanayin> Girman digiri
Adobe Photoshop Hotuna : Hotuna> Yanayin> Girman ƙananan digiri (ya ce OK lokacin da aka nema "Kashe Bayanan Launi?")
Jasc Paint Shop Pro : Launuka> Girman Shine

04 na 06

Disaturation (Cire Launuka)

Wani zaɓi na zuwa daga launi zuwa tabarau na launin toka ne deaturation. A wasu shirye-shiryen gyare-gyaren hoto yana da wani zaɓi zaɓi. Wasu suna kira shi cire launi ko yana buƙatar ka yi amfani da sarrafawar saturation don cimma wannan sakamako.

Idan halayen RGB na hoton an ƙaddara (cire launi) dabi'u na kowannensu iri ɗaya ko kusan guda ɗaya ga kowane launi, wanda ya haifar da inuwa mai sanyi.

Dandatawa yana motsa Red, Green, da Blue hues zuwa launin toka. Har yanzu hotunan yana cikin launin RGB amma launuka suna nuna launin toka. Yayinda sakamakon lalacewa a cikin hoton da ya zama gilashi, ba haka ba.

Corel Photo-Paint : Hotuna> Shirya> Maɓalli
Adobe Photoshop : Hotuna> Shirya> Ƙaddara
Adobe Photoshop Abubuwan : Haɓaka> Daidaita launin> Cire launin
Jasc Shafin Shop Pro : Hue / Saturation> Saita Haske zuwa "0"> Sa Saturation zuwa "-100"

05 na 06

Ƙananan matakan vs. Hanyar Juyawa da Sauran Sauye

A ka'idar, nau'in launi guda da ya canza zuwa ƙananan ƙananan wuri kuma ya ba da izini zuwa tabarau na launin toka zai zama daidai. A aikace, ƙananan bambance-bambance na iya bayyana. Hoton da aka ƙaddamar zai iya zama dan duhu kuma zai iya rasa wasu daki-daki idan aka kwatanta da siffar guda a ƙananan ƙananan ƙananan.

Zai iya bambanta daga hoto guda zuwa na gaba kuma wasu bambance-bambance bazai kasance ba bane har sai an buga hoton. Ƙwararrawa da kuskure na iya zama hanya mafi kyau don amfani.

Wasu hanyoyi na ƙirƙirar hoton girasar daga hoton launi sun haɗa da:

• Koma zuwa yanayin LAB kuma cire kawai tashar Luminance don baki da fari. Sakamakon yana da yawa kamar yanayin ƙananan ƙwayar.
• Cire ɗaya daga cikin tashoshin RGB ko CMYK, ta amfani da ɗaya ko haɗa wasu tashoshi don samun sakamako da kake so.
• Maimakon cire dukkan launi a ko'ina tare da deaturation, yi amfani da sarrafawar Hue / Saturation don rarrabe kowace tashar kai tsaye don sakamakon al'ada.
• Ƙirƙiri ƙarancin (tare da launi ba tare da baki ba) ko duotone don nau'in launi, marar fata da fari.

06 na 06

Sanya Hotunan Giraren Girma kamar Black and White Halftones

Lokacin da aka buga tare da tawada na baki, ƴan siffar launin ƙira ya canza zuwa yanayin ƙirar baƙin duhu wanda yake nuna nau'ukan sautin na asali. Ƙunƙarar haske na launin toka yana da ƙananan ƙananan baki ne suka kasance nesa. Dark shades na launin toka yana da ƙari ko ƙari mafi girma tare da kusa da wuri.

Don haka, a lokacin da kake buga hoto mai launin digiri tare da tawada na baki, kuna buga buƙatar B & W saboda halftone kawai baƙaƙen tawada ba ne.

Zaka iya ƙirƙirar haɓakar lambobi na yau da kullum daga software zuwa firintin. Za a iya ƙaddamar da sakamako na halftone a cikin sigogi na PPD (PostScript Printer Driver) ko saita musamman a cikin shirin software naka.

Lokacin buga bugun B & W zuwa firinta na inkjet, za a iya bambanta sakamakon ta hanyar bugu tare da tawada na baki kawai ko ƙyale mai bugawa don yin amfani da inkoki na launi don bugu da tabarau na launin toka. Canje-canje-canza - daga bazawa zuwa ga bayyane - na iya faruwa yayin yin amfani da ink. Duk da haka, inkaken tawada kawai zai iya rasa wasu daga cikin cikakkun bayanai kuma ya haifar da ƙananan hanyoyi na tawada - ƙaramin halftone mai sananne.

Don bugu na kasuwanci, bar hotunan ƙananan ƙananan hotuna a yanayin ƙananan ƙananan sai dai idan mai bada sabis ya ba da shawarar in ba haka ba. Dangane da hanyar bugawa, fuska mai launin baki da fari na halftone suna da taushi fiye da abin da wasu mawallafi na tebur ke iya cikawa. Duk da haka, zaka iya saka fuskarka a cikin software idan ka fi son (ko don ƙirƙirar haɓakar musamman).

Dubi " Abubuwa na launin launi da baki da farar fata " domin ƙarin aiki tare da halftones.