Daim Duab 3D nrog AutoCAD - Tshooj 8

38.3.3 Lengthen

Ib zaug ntxiv, qhov sib xws ntawm cov lus txib rau saum npoo thiab cov uas peb siv rau 2D khoom yog loj heev. Hauv cov xwm txheej ntawd, peb tau nce qhov ntev ntawm txoj kab lossis ib ntu kab, tam sim no qhov peb ua ntev tshaj plaws yog saum npoo.

38.3.4 Sculpt

Nrog Sculpt peb tuaj yeem tsim cov khoom los ntawm ntau qhov chaw, tsuav yog lawv sib txuam nrog lwm tus, yog li lawv tsim ib thaj chaw airtight.

38.3.5 Kev tswj cov chaw nkaum ntawm NURBS nto

Peb twb tau hais txog tias NURBS saum npoo yuav tuaj yeem kho los ntawm lawv cov kev tswj hwm, zoo ib yam li splines. Tswj cov kab paum muaj qhov zoo uas lawv tso cai rau kev hloov kho rau cov ntsiab lus tshwj xeeb heev ntawm ib qho chaw. Txawm li cas los xij, nyob rau ntau zaus, nws yog ib qhov tsim nyog los tsim dua tshiab li cov nplaim ua ntej ib tsab twg tuaj yeem ua. Kev tsim kho tshiab tso cai hloov kho cov naj npawb ntawm cov npoo ntawm ob qho tib si hauv U kev coj, thiab hauv V kev coj, raws li tso cai rau qhov siab ntawm curvature kom tau txais nyob rau hauv cov nqi sib txawv ntawm 1 txog 5. Yog li no, ua ntej yuav hloov pauv mus rau NURBS saum npoo, koj tuaj yeem saib tus lej thiab thaj chaw ntawm nws cov tswj tuav thiab, thaum tsim nyog, hloov nws los ntawm nws cov kev tsim dua tshiab. Cov lus txib ob qho tib si kom pom kev tswj hwm cov kab ke ntawm cov chaw, thiab kom rov tsim kho lawv yog nyob rau hauv kev tswj kab seem ntawm kev soj ntsuam tab.

Thaum peb tau tsim cov naj npawb ntawm cov kab ntsug U thiab V rau saum npoo, peb tuaj yeem nias thiab / lossis rub. Yog tias peb nias tus yuam sij ua haujlwm, peb tuaj yeem xaiv ntau dua ib tus vertex thiab nias lossis rub lawv zoo li lawv yog ib tus.

Thaum kawg, nws yog qhov tsim nyog ntxiv rau kev tswj cov kab txuas ntawm cov ntsiab lus tshwj xeeb ntawm saum npoo los ntawm cov Ntawv Hloov Kho ntawm Lub Chaw Tswj Teeb Duab. Hais ntxiv cov ntsiab lus ntxiv tau muaj pinches los tshem qhov taw tes (thiab nrog nws nto, tau kawg), hloov kho qhov nyhav ntawm nws qhov kev hloov chaw, nrog rau qhov loj ntawm lub npoo.

Kuv qhia qhov tseeb rau koj tias kuv tsis muaj tus txawj kos duab, tab sis yog tias koj muaj lawv, ntawm no yog cov khoom siv virtual uas, nrog kev xyaum me me, koj tuaj yeem ua kom zoo siab los muab nws cov ntaub ntawv ntawm kev ua haujlwm tseeb ntawm kev kos duab.

38.3.6 Geometry projection

Ib qho cuab yeej ntxiv uas tau thov los ntawm Autocad los kho cov chaw yog qhov projection ntawm geometries thiab lawv txiav. Qhov kev kwv yees no tuaj yeem tsim los ntawm qee qhov siab ntawm Z txoj kab ntawm lub SCP tam sim no ntawm XY dav hlau, nws tseem tuaj yeem tsuas yog nyob ntawm qhov kev pom tam sim no lossis, los ntawm cov khoom yuav tsum tau kwv yees rau saum npoo raws qhov vector uas peb txhais tau.