Kev kos duab yog txoj hauv kev los qhia koj tus kheej, ua kom pom koj tus yam ntxwv, qhov tsis zoo ntawm txhua hnub. Niaj hnub no hom kev tawm tswv yim no tau dhau los ua ib hom kev zoo. Graphics yog qhov tshwj xeeb tshaj yog vim muaj cov khoom siv. Koj tuaj yeem tsim cov duab kos kom zoo nkauj nrog lub xaum qhuav lossis hluav ncaig.
Nta ntawm hluav ncaig thiab xaum
Raws li cov khoom siv, cov thee tau siv rau ntau pua xyoo. Nws cov kab ke tau pleev xim rau hauv Ancient Tim Nkij teb chaws. Cov neeg txawj ntse tsim "hluav ncaig" los ntawm kev sib tov ntawm cov ceg ntoo uas tsis muaj ci, noob txiv thiab txiv hmab. Keeb kwm ntawm cov phom sij txhuas hnub dhau los 16th caug xyoo Askiv.
Mem hluav thiab hluav ncaig yog cov khoom sib txawv. Qhov thib ib yog lub zog ntsuas, qhov thib ob yog mos. Cov txheej txheem teeb duab nrog cov ntaub ntawv no yuav sib txawv, ua ntej txhua yam, vim yog cov yam ntxwv no. Lub ncaig hluav taws xob, tsis zoo li xaum, tsis siv rau cov khoom kom ntxaws. Cov khoom muag muag yog npaj rau cov duab kos, kos duab kos, qauv ntawm lub teeb thiab ntxoov ntxoo.
Kev Siv Hluav Taws Xob yuav tsum tau siv rau ntawm daim ntawv nrog daim nplais. Txwv tsis pub, cov khoom siv yuav tsis lo zoo rau lub hauv paus thiab yuav tawg sai sai. Nrog tus xaum qhuav, koj tuaj yeem kos ntawm cov ntawv zoo nkauj tshaj plaws.
Novice cov kws ua yeeb yam tau qhia kom siv cov xaum graphite los txhawm rau kos duab. Koj tuaj yeem yooj yim tswj cov kab, lwv cov ntsiab lus tsis tiav, kos duab lawv dua. Qhov kev tswj hwm no yuav tsis ua haujlwm nrog cov thee. Nws qiv nws tus kheej kom zoo rau kev kho, tab sis nws tuaj yeem tawm qhov tsis kaj siab. Yuav kom txawj ob yam khoom siv, koj yuav tsum paub nrog cov tswv yim yooj yim rau kev siv lawv.
Mem hluav: kev kos duab yooj yim
Cov txheej txheem tseem ceeb rau kev kos duab nrog lub xaum yog ib txoj kab. Nyob ntawm cov qauv ntawm daim ntawv thiab cov hom ntsuas, nws tuaj yeem pom meej, hais meej lossis pom meej me ntsis. Tus xaum ntawv tso cai rau koj kom zoo txaus xav thiab txawj ua tus kos duab contour. Qhov meej ntawm cov kab tseem nyob ntawm qhov siab ntawm lub cuab yeej. Nrog ib tus xaum qhuav, koj tuaj yeem hloov qhov kev siv ntawm cov qauv, taw qhia cov ntsiab lus tseem ceeb tshaj plaws.
Lwm cov txheej txheem yog shading nrog kev hloov tonality. Thaum tsim nws nrog tus xaum qhuav, koj yuav tsum ua kom tus siab hloov qhov siab ntawm tag nrho cheeb tsam xaiv rau toning. Nws yog qhov nyuaj heev los tsim lub kaus mom zoo nkauj thawj zaug, tab sis kev coj ua tas mus li thiab qhov yooj yim ntawm kev kho kom haum yuav pab koj sai sai ua kom paub cov hom phiaj nrawm nrawm.
Teeb duab nrog hluav ncaig
Cov txheej txheem tseem ceeb rau kev kos duab nrog hluav ncaig yog ua haujlwm nrog lub tonality ntawm daim duab. Nws yuav siv sij hawm tsawg dua los ua kom paub nws zoo dua thaum ua haujlwm nrog tus xaum xaum. Txawm li cas los xij, muaj qee qhov kev dag me me ntawm no.
Thaum tsim cov duab ntxoov ntxoo lossis ua haujlwm nrog qhov tob tob, koj yuav tsum tsis txhob pleev xim zoo ib yam li muaj cov cuab yeej graphite - sib txawv ntawm qhov siab. Pib hauv qhov chaw tsaus thiab maj mam daws tawm, kos hauv tsuas yog 1/3 ntawm qhov chaw npaj. Tom qab ntawv, siv daim ntawv ntswg los yog koj tus ntiv tes, sib xyaw cov khoom hauv qhov kev xav tau.
Tau txiav txim siab ua haujlwm nrog hluav ncaig raws li tus cwj mem xaj, koj yuav tau txais kev tshwm sim tu siab: tinting yuav poob nws cov khoom sai thiab tig mus rau hauv qhov tsaus ntuj, monochromatic chaw.
Thov nco tseg: kev siv hluav ncaig hluav taws xob yog tsis siv los kos cov kab ncaj, du. Nrog nws cov kev pab, mas toning yog tsim, thiab kuj tob rau daim duab yog muab. Hauv qhov no, thawj zaug kos duab feem ntau tau ua nrog tus xaum qhuav (nyias nyias txoj kab).
Kev ua haujlwm thee yuav tsum ua tib zoo tuav thiab khaws cia. Txhawm rau khaws cov duab yam tsis muaj deformation, nws yuav tsum muab tso rau hauv qab iav. Koj kuj tseem tuaj yeem siv cov txhim kho tshwj xeeb lossis ib qho plaub hau yooj yim.
