Ib daim duab ob sab, xws li daim duab peb sab, yog tsim los ntawm ob ntu - npoo thiab qhov sib tw. Cov npoo yog cov kab uas ua rau ciam teb ntawm cov duab.
Puas 2D duab muaj ntug?
side Ib kab hauv 2D duab hu ua ib sab. ntug Ib ntug yog qhov twg 2 lub ntsej muag sib ntsib hauv 3D duab. kawg Cov sab nrauv ntawm 3D duab yog hu ua qhov kawg. … nto A nto yog 2D ciam teb ntawm 3D khoom.
Puas 2D duab muaj npoo thiab ntsug?
2D duab muaj ob sab thiab vertices. Lub vertex yog ib qho chaw uas ob lossis ntau kab sib ntsib. Lub plural ntawm vertex yog vertices. Cia peb saib cov khoom ntawm cov duab no.
Tus cwj pwm ntawm 2 seem duab yog dab tsi?
A 2d duab yog ob sab duab uas tau txhais nyob rau hauv kab rov tav thiab ntsug axes (x-axis thiab y-axis). 2d duab yog tiaj tus uas tsuas muaj qhov ntev thiab dav. Cov duab no tsis muaj tuab lossis qhov siab.
Dab tsi yog cov qauv duab ob sab?
Ib lub voj voog, square, duab plaub, thiab daim duab peb sabyog qee qhov piv txwv ntawm ob sab khoom thiab cov duab no tuaj yeem kos rau ntawm daim ntawv. Tag nrho cov duab 2-D muaj ob sab, vertices (pob), thiab cov ces kaum sab hauv, tshwj tsis yog lub voj voog, uas yog daim duab nkhaus.