Dithering amafalitsa mapikisi amitundu yosiyana mu fano kuti apangidwe ngati kuti pali mitundu yapakati pakati pa zithunzi ndi pepala lochepa. Izi zimawoneka ndi zithunzi zomwe zimayikidwa pa masamba a pawebusaiti.Kulogalamu yanu yogwiritsira ntchito imangokhala zithunzi pamene masewero anu owonetsera aikidwa pa mitundu 256 kapena osachepera.
Dithering nthawi zambiri amagwiritsidwa ntchito kuchepetsa kutsegula ma GIFs ndi kusintha kwa mtundu wopindulitsa. Mapulogalamu ambiri amapereka zosankha zomwe zimakulolani kuti muyang'ane mawonekedwe a mapikseli omwazikana; Mwachitsanzo, kupuma kungakhale chitsanzo cholimba, phokoso losavuta, kapena kufalikira. Kumbukirani kuti dithering ingawonjezere kukula kwa fayilo ya fano, koma nthawi zambiri, maonekedwe abwino ndi ofunikira.
Njira yabwino yodziwira momwe dithering ntchito ndikutsegulira chithunzi mu Photoshop . Kuchokera kumeneko sankhani Foni> Kutumiza> Sungani pa Web (Legacy) . Pamene gulu likutsegula khetha tabu 4-Kumwamba.Udzawona mazithunzi 4 a chithunzicho ndi imodzi kumbali yakumanzere ndi chithunzi choyambirira. Pankhaniyi, chithunzichi ndi 1.23 mb mu kukula. Makamaka, gululi likukupatsani chithunzithunzi cha zotsatira za kukonzanso kwazithunzi. Pali zinthu zingapo zoti muzimvetsera pazithunzizi.
- Yoyamba ndi kusankha kosankha kwa Adaptive . Chimene chimachita ndi kulenga tebulo la mtundu wa mtundu ndi mitundu yosiyanasiyana yomwe imakhala ndi chithunzi . Mwachitsanzo, fano liri ndi mitundu yokha yobiriwira ndi yofiira, ngati fano, imapanga tebulo lapamwamba lomwe limapangidwa ndi masamba komanso zamaluwa. Zithunzi zambiri zimayang'ana mitundu makamaka m'madera osiyanasiyana.
- Mndandanda wa maonekedwe ndi chinthu china choti muwone. Tawuniyi imadziwika kuti Color Lookup Table kapena CLUT. Chimene chimatengera kutenga maonekedwe oyambirira mu fano ndi kuwapititsa ku mitundu yosiyana, yeniyeni kuti apange mawonekedwe ena. Kwa ife mitundu yambirimbiri ya maonekedwe mu chithunzi choyambirira yachepetsedwa kukhala mitundu 32 ndi ma grays, amadyera ndi amawunikira.
Sankhani chithunzi kumtundu wapamwamba, kuchepetsa chiwerengero cha mitundu mpaka 32 ndikukankhira padothi la Dither ku 0%. Sankhani Kusiyanitsa kuchokera ku njira ya Dither pop. Tawonani kuti kukula kwa fayilo kwatsikira ku 67 k ndipo duwa lobiriwira limawoneka ngati kusamba kwa mtundu. Njirayi imapanga madontho omwe ali ofanana mofanana koma amagawidwa mozungulira kapena kupitilirapo kuti mthunzi umene "mwachindunji" ufanane ndi chithunzi choyambirira.
Sankhani chithunzi patsinde lakumanzere lakumanzere ndikusintha njira yake yofalitsira ku Chitsanzo . Choyamba chozindikira ndi kukula kwa fayilo kwandikira kufika 111kk. Izi zili choncho chifukwa Photoshop imagwiritsira ntchito kamphindi kakang'ono kameneka kuti muwonetse mitundu iliyonse, osati mu tebulo. Chitsanzochi chikuwoneka bwino ndipo ngati mukufanizitsa chithunzi chosiyana ndi ichi mudzawona mtundu wambiri komanso chithunzi cha tsatanetsatane.
Sankhani chithunzi patsinde lakumanja ndikuyika njira yake yofalitsira . Panso palinso kukula kwa ma fayilo owonjezeka pamodzi ndi kuwonjezereka kwa mtundu ndi chithunzi cha tsatanetsatane. Zomwe zachitika ndi Photoshop zakhala zikugwiritsidwa ntchito mofanana ndi njira yosiyanitsira, koma popanda kufotokozera pulojekiti yoyandikana nayo. Palibe seams akuwoneka ndi njira ya Noise ndipo chiwerengero cha mitundu mu Masamba Zamkatimu chawonjezeka.
Mwinamwake mwawonapo nthawi ya zithunzi iliyonse muzithunzi 4-Up. Musawasamalire kwambiri chifukwa nthawi zambiri amawotcha nthawi ndipo nthawi zambiri sakhala olondola. Pansi-pansi pambali pa nthawi imakulolani kusankha chingwe. Zosankhazi zimachokera ku 9600 bps (Bits Per Second kapena Baud Rate) modem-up up up kwa kwambiri mwamsanga. Vuto pano mulibe ulamuliro pa momwe wogwiritsa ntchito akulandirira fanolo .
Kotero ndi njira iti yomwe Dither mungasankhe? Apa ndi pamene ndimapatukira ndikuyankha funsoli. Pankhani ya zosankhazo ndizofunikira, osati zolinga. Mukuyitana kotsiriza.