Kev siv thiab Khoom Txwv nrog AutoCAD - Tshooj 3

12.1.4 Kho

Poob qhov chaw ntawm lub taw tes kom tas li, tas cov geometry ntawm ib yam khoom yuav hloov los yog txav mus los.

12.1.5 Parallel

Hloov cov txheej txheem ntawm ob qhov khoom kom raug muab tso rau hauv txoj haujlwm sib tiaj mus rau tus thawj xaiv tau khoom. Nws kuj tau txhais nyob rau hauv qhov kev txiav txim siab tias txoj kab yuav tsum tuav tib lub kaum sab xis raws li qhov khoom siv. Yog hais tias lub vojvoog ntawm lub polyline raug xaiv, nws yuav yog qhov kev hloov, tsis yog lwm feem ntawm cov polyline.

12.1.6 Perpendicular

Nws yuam cov khoom thib ob ua perpendicular rau tus thawj. Ntawd yog, ua ke nrog nws kaum ntawm 90 degrees, tab sis ob yam khoom tsis tas yuav tsum tau kov. Yog hais tias ob qho khoom siv yog ib lub qe, tsuas yog xaiv qhov hloov tshiab.

12.1.7 kab rov tav thiab ntsug

Cov kev txwv no txhim kho ib txoj kab rau hauv ib qho ntawm nws cov haujlwm haujlwm orthogonal. Txawm li cas los xij, lawv kuj muaj ib qho kev xaiv hu ua "Ob lub ntsiab lus", uas peb tuaj yeem txhais tau tias cov ntsiab lus yog cov uas yuav tsum nyob twj ywm orthogonal (kab rov tav los yog ntsug, raws li qhov kev txwv txwv) txawm tias lawv tsis yog tib yam khoom.

12.1.8 Tangency

Rog ob yam khoom los kov qhov teeb meem. Obviously, ib yam ntawm ob yam khoom yuav tsum yog ib qho nkhaus.