如果用 (SETQ PTA (GETPOINT "\n PTA:")) (SETQ PTB (GETPOINT PTA "\n PTB:")) (SETQ SS (SSGET "F" (LIST PTA PTB))) (SETQ SS (SSGET "P" (LIST (CONS -4 "<OR") (CONS 0 "ARC") (CONS 0 "LINE") (CONS 0 "LWPOLYLINE") (CONS 0 "POLYLINE") (CONS -4 "OR>") ))) 来取得 LWPOLYLINE 物件, 在PLINE是直线时是可以取得, 但在有凸度地方就不知道如何取得这 PLINE 段数及交点? 烦请各位高手可以帮忙解答一下~谢谢~ |