Dithering inoparadzira mapikisi emavara akasiyana-siyana mufananidzo kuitira kuti zviite sezvinonzi kune mavara akasiyana-siyana mumifananidzo ine ruvara rwemavara. Izvi zvinowanzowanikwa nemifananidzo yakagadzirirwa mapeji ewebhu. Yenyu yekushandura iyo inongoerekana yaita zvidhori kana zviratidzo zvekuratidzira zvaiswa kune 256 mavara kana pasi.
Dithering inowanzoshandiswa kuderedza kubheta muGIFs nekupedza mavara ekuchinja. Mazhinji software anopa zvingasarudza zvinokubvumira kuti uone kutaridzika kwepikisiki dzakapararira; somuenzaniso, kubhururuka kunogona kuva muenzaniso wakaoma, ruzha rusina kuitika, kana kuparadzaniswa. Ramba uchifunga kuti kubuda kunogona kuwedzera faira yefaira yemufananidzo, asi mumatambudziko mazhinji, kuonekwa kwakakosha kunokosha kubhizimisi.
Nzira huru yekunyatsonzwisisa maitiro ekushanda kwemabasa ndeyokuzarura mufananidzo wakajeka mu Photoshop . Kubvira ipapo sarudza File> Export> Gadzira Webhu (Nhaka) . Apo boka racho rinotanga sarudzai 4-Up tab.Uchaona zvishanduro 4 zvechifananidzo uye imwe iri mukona yepamusoro kuruboshwe ndiyo mufananidzo wepakutanga. Muchiitiko ichi, chifananidzo chacho chiri 1.23 mb muhukuru. Chaizvoizvo, panhizha iyi inokupa maonero emigumisiro yemifananidzo. Pane zvinhu zvakati zvishoma kuti iwe uchengetedze pane iyi panhare.
- Yokutanga ndiyo yeAdaptive palette chisarudzo . Izvo zvinodaro ndezvokuumba tsika yemutsetse yemuvara nemuenzaniso wemuvara kubva pane zvakanyanya kuonekwa mumufananidzo . Semuenzaniso, mufananidzo une mavara mavara uye ezvitsvuku, semufananidzo, unobereka tafura yemuvara yakaitwa zvikuru nemidhi uye blues. Mifananidzo yakawanda inonyanya kuisa mavara munzvimbo dzakasiyana-siyana.
- Ita Rwendefa ndechimwe chinhu chaunotarisa. Iyi tafura inonzi inozivikanwa seClass Lookup Table kana CLUT. Chinoita ndechokutora mavara epakutanga mufananidzo uye unovagadzirisa kune zvakasiyana, mavara chaiwo kuti aite chimwe chitarisiko. Mune medu mamiriyoni emavara mumufananidzo wepakutanga anenge aderedzwa kusvika 32 mavara ane magirasi, mashizha uye mahedheni anotarisa.
Sarudza mufananidzo uri kumusoro kwekona yekona, kuderedza nhamba yemirasi kusvika ku 32 uye shandisai Dither slider kusvika ku 0%. Sarudza Kusiyana kubva kuDither method pop pasi. Cherechedza kuti faira yefaira yakaderera kusvika 67 k uye ruvara rwemavara runotaridzika sekushamba kwemavara. Iyi sarudzo inogadzira maratidziro ematamba akaenzana akaenzana asi akaparadzaniswa kana kuti apfuurire kunze kuti ave nemumvuri "zvakanyatso" unofananidzwa nemufananidzo wepakutanga.
Sarudza mufananidzo uri pasi rekona rekona uye shandura nzira yake yekuparadzira kuTe Pattern . Chinhu chekutanga chekuona ndicho chiyero chefaira chakawedzera kusvika 111kk. Izvi ndezvokuti Photoshop inoshandisa halftone-sekwereti yekwereti yekuenzanisa chero mavara, kwete mumutsetse wemuvara. Nzira yacho inonyatsooneka uye kana iwe uchienzanisa mufananidzo wekuparadzanisa neyu unoona zvishoma nezvimwe ruvara uye mufananidzo wenyaya.
Sarudza mufananidzo muzasi kwekona yekona uye shandisa nzira yako yekuparadzira kune Nzwi . Zvakare kune chimiro chemafaira chakakwirirwa chinowedzera pamwe nekuwedzera kwemuvara uye zvakajeka zvemufananidzo. Chii chakaitika, Photoshop yakashandisa maitiro akasiyana-siyana akafanana neAkanusion dither method, asi pasina kuparadzanisa purogiramu nechose pedyo pedxels. Hapana seams inowanikwa neNoise dither method uye nhamba yemirau muMutsetse Wakawanda yakawedzera.
Iwe unogona kunge wakacherechedza nguva dzeimwe neimwe yemifananidzo mu 4-Up view. Usabhadhara zvakanyanya kwavari nokuti ivo vanowanzopota nguva dzekutsvaga uye havashoma, kana nguva dzose, yakarurama. Pasi-pasi pane nguva inokubvumira kusarudza bandwidth. Zvisarudzo zvinobva pane 9600 bps (Bits Per Second kana Baud Rate) dial-up modem kune yakakurumidza kukurumidza. Dambudziko riri pano iwe hauna kutonga pamusoro pokuti sei munhu ari kugamuchira mufananidzo .
Saka ndeipi Dither nzira yekusarudza? Apa ndipo pandinoenda kune imwe uye handipinduri mubvunzo iwoyo. Kana zvasvika kune izvo zvisarudzo ivo vanozviisa pasi, kwete chinangwa. Iwe unoita kudana kokupedzisira.