Cov duab raster yog qhov duab raug tsim rau kho cov duab hauv computer thiab muaj cov ntsiab lus los yog raster. Thaum lub caij, qhov no yog feem ntau ntawm hom duab. Cov qauv yooj yim: *.gif, *.jpg, *.png, *.bmp, *.tiff, * nyoos.
Tsim nyog
- Lub koob thaij duab lossis lub scanner
- Bitmap program
Cov Lus Qhia
Kauj ruam 1
Kos duab lossis xaiv daim duab. Luam theej duab daim duab, thaij nws lub, uas yog, hauv ib txoj kev lossis lwm qhov, hloov nws mus rau digital format. Ntshuam daim duab rau hauv daim ntawv editor ntawm koj xaiv. Maj mam ua kom pom qhov nplai, pom tias cov duab maj mam tawg mus rau hauv cov kem sib txawv, txhua qhov uas muaj xim txawv. Cov duab plaub no hu ua pixels, lossis rasters, thiab yog lub hauv paus ntawm koj tus duab.
Kauj ruam 2
Tshawb xyuas cov ntaub ntawv loj. Xaiv cov qauv xim uas koj tau nyem (RGB, CMYK) uas yuav pab koj tso tawm cov xim luam tawm kom raug. Nrog kev pab ntawm tus kho, tshem tawm lossis ntxiv cov ntsiab lus, kho tus ncej, siab nruj, xim gamut. Xaiv cov kev daws teeb meem ntawm daim duab (tus nqi ntawm cov khoom zoo ntawm lub vijtsam). Kev daws teeb meem yog ntsuas hauv pixels (rasters), uas yog, nws tau suav los ntawm tus naj npawb ntawm pixels koj daim duab muaj kab rov tav thiab ntsug. Kev daws teeb meem me yog suav tias qhov loj me - txog 500 pixels nyob rau ib ntug, nruab nrab - txog 1024 pixels raws ntug, txhua tsav txhua yam yog suav tias yog kev daws teeb meem siab. Cov duab loj loj noj ntau lub cim xeeb thiab tuaj yeem siv sijhawm ntev heev los tso rau hauv lub network.
Kauj ruam 3
Xaiv lub compression algorithm koj xav tau thiab txuag daim duab. *. Gif yog tsim nyog rau cov duab me me thiab cov duab ntawm ob lossis peb ntas luam tawm hauv lub network, qhov zoo tshaj plaws ntawm kev ua tau zoo thiab cov ntaub ntawv zaws yog muab los ntawm *.jpg"
