MUTU 3: UNITS NDI COORDINATES
Tanena kale kuti ndi Autocad titha kupanga zojambula zamitundu yosiyanasiyana, kuchokera kumalingaliro omanga nyumba yonse, mpaka kujambula kwa maginito a makina abwino ngati a koloko. Izi zimabweretsa vuto la magawo a muyezo womwe umafuna chojambula chimodzi kapena chimzake. Pomwe mapu amatha kukhala ndi mamitala, kapena ma kilomita kutengera mlandu, ngati gawo loyezera, kachidutswa kakang'ono kamatha kukhala mamilimita, ngakhale magawo khumi a millimeter. Chifukwa chake, tonse tikudziwa kuti pali mitundu yosiyanasiyana ya miyeso, monga masentimita ndi mainchesi. Zina, mainchesi amatha kuwonetsedwa mumitundu, mwachitsanzo, 3.5 ″ ngakhale amathanso kuwoneka mwazithunzi, monga 3 ½ ”. Kwa iwo, ma ngodya amatha kuwonetsedwa monga ma angles a 25.5 °,, kapena madigiri mphindi ndi masekondi (25 ° 30 ′).
Zonsezi zimatikakamiza kuti tiganizire misonkhano ikuluikulu yomwe imatilola kugwira ntchito ndi mayunitsi a muyeso ndi mawonekedwe oyenerera pajambula iliyonse. Mutu wotsatira tidzawona momwe tingasankhire mawonekedwe a miyeso ya muyeso ndi molondola. Taganizirani za nthawi yomwe vuto liripo mu Autocad.