如何检查直线是否断开（寻找开口）

xskfq · 发表于 2013-11-26 21:34:14

效果如图：检查出孤立端点并标记，如果孤立的端点在园内，则不用标记。谁能帮帮忙，不甚感激！

cable2004 · 发表于 2013-11-26 21:52:54

本帖最后由 cable2004 于 2013-11-27 10:51 编辑

(defun c:tt ( / a c1 ent ent1 i p1 p2 r1 ss sslast x1)
  (setq sslast (ssadd))
  (if (setq ss (ssget '((0 . "LINE"))))
(progn
   (setq i -1)
   (repeat (sslength ss)
(setq ent (entget (ssname ss (setq i (1+ i))))
   p1 (cdr (assoc 10 ent))
   p2 (cdr (assoc 11 ent))
   x1 (ssget "C" p1 p2 '((0 . "CIRCLE")))
)
(if x1
(if (= (sslength (ssget "C" p1 p1)) 1)
   (foreach a (vl-remove-if 'listp (mapcar
         'cadr
         (ssnamex x1)
      )
      )
   (setq ent1 (entget a)
   c1 (cdr (assoc 10 ent1))
   r1 (cdr (assoc 40 ent1))
   )
   (if (> (distance p1 c1) r1)
  (progn
(command "CIRCLE" p1 10)
(ssadd (entlast) sslast)
  )
   )
   )
)
(if (= (sslength (ssget "C" p1 p1)) 1)
   (progn
   (command "CIRCLE" p1 10)
   (ssadd (entlast) sslast)
   )
)
)
(if x1
(if (= (sslength (ssget "C" p2 p2)) 1)
   (foreach a (vl-remove-if 'listp (mapcar
         'cadr
         (ssnamex x1)
      )
      )
   (setq ent1 (entget a)
   c1 (cdr (assoc 10 ent1))
   r1 (cdr (assoc 40 ent1))
   )
   (if (> (distance p2 c1) r1)
  (progn
(command "CIRCLE" p2 10)
(ssadd (entlast) sslast)
  )
   )
   )
)
(if (= (sslength (ssget "C" p2 p2)) 1)
   (progn
   (command "CIRCLE" p2 10)
   (ssadd (entlast) sslast)
   )
)
)
   )
)
  )
  (sssetfirst nil sslast)
  (princ)
)

xiabin68 · 发表于 2013-11-26 22:01:56

查悬挂点，，楼主是不是同行哦？

flyfox1047 · 发表于 2013-11-26 22:33:21

燕秀有这种功能

ZZXXQQ · 发表于 2013-11-26 22:42:47

本帖最后由 ZZXXQQ 于 2013-11-27 22:07 编辑

(defun c:tt ()
(if (setq ss (ssget '((0 . "LINE")))) (progn
(setq i -1)
(repeat (sslength ss)
(setq ent (entget(ssname ss (setq i (1+ i))))
p1 (cdr(assoc 10 ent))
p2 (cdr(assoc 11 ent)))
(if (= (sslength(ssget "C" p1 p1)) 1)
(command "CIRCLE" p1 10)
)
(if (= (sslength(ssget "C" p2 p2)) 1)
(command "CIRCLE" p2 10)
)
)
))
(princ)
)

flyfox1047 · 发表于 2013-11-26 22:54:00

ZZXXQQ 发表于 2013-11-26 22:42

no function definition: SSETQ

xskfq · 发表于 2013-11-26 23:12:03

ZZXXQQ 发表于 2013-11-26 22:42

; 错误: no function definition: SSETQ

xskfq · 发表于 2013-11-26 23:15:48

Z版主，再帮看看

，谢谢！

xskfq · 发表于 2013-11-26 23:17:55

flyfox1047 发表于 2013-11-26 22:33
燕秀有这种功能

恩,,,,,,,,,,,

cable2004 · 发表于 2013-11-26 23:19:13

改成试试(= (sslength(ssget "C" p1 p1)) 1)

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[已解答] 如何检查直线是否断开（寻找开口）

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