Ukwenza umphumela we-bokeh

Ngifuna ukukhuluma nawe mayelana nendlela yokwenza umphumela we-bokeh esithombeni. Kulesi sihloko, ngizokutshela ukuthi ungakha kanjani ukufiphaza ngemuva, njengoba kungasetshenziswa ezithombeni. Ngakho, vula isithombe sokuqala ku-Photoshop. Manje kufanele uphinde uphinde uphinde uphinde ulandele ungqimba wesizinda. Uma lokhu sekuqedile, cisha ukubukeka kwesendlalelo sesibili esiphindaphindiwe. Asiye esitokisini ngesibonelo sokuqala.

Ukuze wenze umphumela we-bokeh ku-Photoshop, kufanele usebenze imodi ye-Quick Mask bese ukhetha i-gradient yangempela. Umbala walokho kufanele usethe umnyama nomhlophe, futhi kumawindi ama-dithering nobala, hlola ibhokisi. Ngemuva kwazo zonke lezi zilungiselelo, sishiya imodi yale maski esheshayo.

Siyaqhubeka siqonda umphumela we-bokeh. Sebenzisa isihlungi se-blur. Ukwenza lokhu, chofoza ithebhu yokuhlunga, sakhetha inketho yokufiphaza futhi ukusuka lapho setha ipharamitha yayo ekujuleni okujulile kokubukeka kwethu. Emva kwalokhu, kuyadingeka ukususa ukukhetha okusebenzayo futhi usebenzise isihlungi se-Gaussian esibuhlungu. Irejista yayo isethelwe kwamaphikseli amabili. Ngemuva kwalokho, iya kusikhombi sesibili esiphindwe. Lapho sifaka ukubonakala kwalolu ungqimba, emva kwalokho kubalulekile ukusebenzisa isihlungi sokuthi ubuhlakani obubizwa ngokuthi ubuhlakani. Udinga ukusetha imingcele elandelayo: umphumela ungama-100%, kanti iresidi i-0.5% futhi i-angle ngu-0. Sibeka uphawu lokuhlola efasiteleni lokuhlunga. Khetha inketho ye-blussi ye-Gaussian.

Okulandelayo, umsebenzi wethu ukuhlukanisa isithombe ngaphambili kusenhla ukuze wenze umphumela we-bokeh. Lokhu kwenziwa ngokusebenzisa isihlungi sesikhumba. Ukugijima bese ucindezela i-Alt nge-Contral no-X. Beka ibhulashi yesayizi leshumi nambili bese ufaka uphawu emgqeni wokuthambisa ngepharamitha 5. Okulandelayo, siphuca umlando ngakho, bese ugcwalisa isithombe esikhulu nombala ogcwalayo. Ngemuva kwalokho, ukunciphisa ukukhanya kwesendlalelo sethu ku-42%.

Manje sidinga ukuphindaphinda isendlalelo samanje, ngakho cisha ukubonakala kwalowo owedlule. Susa isendlalelo samaski bese uyengeza futhi. Sula imiphetho yesithombe ngebhashishi elithambile ngokubeka obala ophansi. Ngemuva kwalokho, umphumela we-bokeh kufanele uthuthelwe kudokhumenti yokusebenza.

Phinda uphinde ulandele isendlalelo esinokuthungwa kwe-bokeh. Ukuze wenze lokhu, ungqimba wokuqala nalokhu kuthungwa, udinga ukwengeza ungqimba lwesimaki okufanele usebenzise i-radial gradient. Umbala wayo kufanele ube omnyama nomhlophe. Manje sishintsha imodi yokuxuba yendlalelo yokuqala, ene-bokeh ukuthungwa, ekugqeni. Sabeka i-opacity ku- 58%.

Okulandelayo, udinga ukushintsha imodi yokuxhuma yesigaba esingezansi ngokuthungwa kwe-bokeh kuya kwimodi ekhanyayo. I-opacity kufanele ibe ngu-25%. Phinda futhi, phinda ungqimba onobumba bokubheka, bese ubeka le mpinda ngezansi kwezendlalelo lapho kukhethwe khona isithombe esikhulu. Manje sishintsha imodi ye-superposition yayo yokucacisa. I-opacity yayo kufanele ibe ngu-45%.

Ngemuva kwakho konke, hlanganisa lezi zendlalelo omunye nomunye. Yiya kwimenyu yesithombe, khetha ukulungiswa, bese uthola umbala wombala bese usetha ukugcwalisa kwe-+8. Emva kwalokho sebenzisa isihlungi sokuphazamisa. Uma wenza konke ngokufanele, umphumela we-bokeh uzobonakala ngokucacile. Uma kukhona okungalungile, phinda ngokucophelela izincomo zami.