Gradient Filter: tsananguro uye kushandisa

To vatsva kuti mifananidzo kunzwisisa chii chichakurukurwa munyaya, zvimwe zvinoda tsanangudzo tsananguro. Chii iwo chokwadi, mumwe gradient dzinobvisa? Zviri pachena ndiro yakagadzirwa Manyiminya mapurasitiki kana negirazi, iro zvinyoronyoro mvere monotonous gradient. Kana iwe usiri kuziva mudziyo "gradient" iri akajeka vapepeti, zvakafanira kutsanangura. Mumufananidzo achitambira basa kuchinja kubva ruvara mumwe, uye Sefa vaishandisa nyore achiipa gradient kubva wachena kuti segirazi.

Nei ndichifanira kuva firita

Gradientnik ainyanya kushandiswa nzvimbo mifananidzo. Kakawanda kana kutora mifananidzo yetumedu dambudziko girl pakati gogonera nokufumura pamusoro (denga) uchingodzikira (nyika) chikamu. Zvichitaurwa zviri nyore, denga rinenge nguva anotarira chaipenya zvikuru kupfuura pasi, iyo pave ane kusaenzana. Somuenzaniso, kubvisa kumavirira, mifananidzo dzose ndamboitwa ichi - pamufananidzo pane chete hurukuro nerima zvinhu pasi. Mumamiriro ezvinhu akadaro, ndiko gradient Sefa anomururamisa nekutambura mapikicha pasi.

Kunewo ruvara filters nokuda lenses, zvakakodzera kupa mapikicha kujairika migumisiro uye noshamisa ruvara zvakasiyana. Kazhinji, kuchinja kubva läpinäkyvä chikamu Sefa kuti mumvuri anoenderana 1-3 matanho dzokupisa, izvo zvinoita nyore kuwana zvakanaka zviruva kuti kupfura iye.

Mhando gradient filters

Gradient filters dzakaimomotera - Threaded kubiridzira pamusoro izvo, uyewo rectangular - akatasva mu pazvinhu izvo anaro.

1. Round Sefa pamusoro izvo zvakanaka nokuti chakagadzirwa Manyiminya negirazi, kazhinji kushandisa multi-unhani. Asi ayo chikuru drawback - nekusagona kufambisa pfungwa pasi murima uye chiedza kumativi. Zvisinei, nokuda tsindirana kukura, zviri nyore kutakura uye zvifambiso.
2. The rectangle chakagadzirwa mapurasitiki (sezvo kushandiswa aparadzane nomukombero uye zvikuru kubatwa zvokuimba kukuvadza) uye ane jekeso, asi haagoni chete tenderera asiwo kwira uye pasi, iyo runogonesa zvikuru kwenzvimbo. Kutora mifananidzo yetumedu cree kushandisa gradient Sefa, zvakakodzera pamwe kushandisa mutiraipodhi, sezvo mapurasitiki bwendefa kuti izvo inowedzera mbiri mamwe interfaces (Mapurasitiki-to-mhepo), nekuti izvo zvinoderedza hasha uye mufananidzo kuona zvakakodzera kuwedzera nehasha zviviri.

Kubatsira kushandisa gradient firita

The gradient Sefa ndiyo tsika kuti Photographers vachishandisa firimu makamera, sezvo firimu rine zvishoma zvakawanda nehanya. Kare, vaifanira kana kushandisa gradientnik kana kugamuchira zvinokosha nezvinhu zvizere. Asi Photographers zhinji ano vanoramba kushandisa nayo, nharo kuti graphical mupepeti unogona kushandisa nyore zvakafanana gradient iri kubudiswa mapikicha.

Zvisinei, ruzivo kunoratidza kuti kushandisa gradient Sefa yokufambisa uye digitaalinen makamera sezvo kuponesawo nguva yakawanda uye ichengetedzwe basa pamwe zvirongwa zvinogona kuita kwete zvose, kunyange Photographers dzakanaka chaizvo.