Video: Dab tsi yog ciam teb sawv cev hauv computer graphics?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hauv kev ua qauv zoo thiab lub computer - pab tsim, ciam teb sawv cev -feem ntau abbreviated li B-rep los yog BREP -yog ib txoj hauv kev los sawv cev cov duab siv cov kev txwv. Ib qho khoom yog sawv cev raws li ib tug sau los ntawm kev cob cog rua nto ntsiab, lub ciam teb nruab nrab ntawm cov khoom thiab tsis yog khoom.
Tib neeg kuj nug, dab tsi yog 3d khoom sawv cev?
Yam khoom yog sawv cev raws li ib tug sau ntawm nto. 3D khoom sawv cev muab faib ua ob pawg. Ciam teb Cov lus sawv cev B-reps - Nws piav qhia txog a 3D khoom raws li ib txheej ntawm qhov chaw uas cais cov khoom sab hauv los ntawm ib puag ncig.
Tsis tas li, CSG hauv CAD yog dab tsi? Constructive solid geometry ( CSG ; yav tas los hu ua computational binary solid geometry) yog cov txheej txheem siv hauv kev tsim qauv. Hauv 3D computer graphics thiab CAD , CSG feem ntau yog siv nyob rau hauv cov txheej txheem qauv. CSG kuj tseem tuaj yeem ua rau ntawm cov kab ntau ntau, thiab tej zaum yuav tsis yog txheej txheem thiab/los yog parametric.
Raws li txoj cai, cheb sawv cev yog dab tsi?
Sweep sawv cev yog siv los tsim cov khoom 3D los ntawm 2D cov duab uas muaj qee yam symmetry. Piv txwv li, lub prism tuaj yeem tsim los siv kev txhais lus cheb thiab rotational cheb tuaj yeem siv los tsim cov chaw nkhaus xws li ellipsoid lossis lub torus.
Brep yog dab tsi?
Muaj ob lub ntsiab lus ntawm 3 seem khoom nyob rau hauv Nyias . Ib qho yog nto, qhov no yog ib qho NURBS nto. Lwm tus yog tus Brep , qhov no tuaj yeem yog qhov sib xyaw ntawm ntau qhov chaw. Li no lub sij hawm Brep , los yog ciam teb sawv cev.
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