Ôîðìèðîâàíèå ïîâåðõíîñòè ïèðàìèäû
Ïîñòðîèòü ïèðàìèäó (ðèñ. 9.10).
Çàïóñòèòå êîìàíäó AI_PYRAMID, âûçâàâ åå èç ïàäàþùåãî ìåíþ Draw > Surfaces > 3D Surfaces... > Pyramid èëè ùåë÷êîì ìûøè ïî ïèêòîãðàììå Pyramid íà ïàíåëè èíñòðóìåíòîâ Surfaces. Îòâåòüòå íà çàïðîñû:
_AI_PYRAMID
Specify first corner point for base of pyramid: 0,0.5,0 — òî÷êà 1
Specify second corner point for base of pyramid: 3,0,0 — òî÷êà2
Specify third corner point for base of pyramid: 2.5,1.5,0 — òî÷êà 3
Specify fourth corner point for base of pyramid or [Tetrahedron] : 0.5,2,0 —òî÷êà4
Specify apex point of pyramid or [Ridge/Top]: R — ïåðåõîä â ðåæèì ïîñòðîåíèÿ ïèðàìèäû ïî áîêîâîé ãðàíè
Specify first ridge end point of pyramid: 1,1,3 — òî÷êà 5
Specify second ridge end point of pyramid: 2.5,1.5,2 — òî÷êà 6
Ðèñ. 9.10. Ôîðìèðîâàíèå ïîâåðõíîñòè ïèðàìèäû
