检查线段是否断开。。。
路过高手帮看看。。。发贴好多次了。。。无人解决。。。 ;;;*****查悬挂线 程序开始*****(defun C:T1 (/ ptList ptNo)
(princ "\n★功能：查找悬挂断开的线段集\n")
(setvar "pickadd" 1)
(setvar "osmode" 15359)
(setvar "PICKDRAG" 0)
(setvar "cmdecho" 0)
;(wdy_timeset1)
(command "undo" "be")
(princ "\n请选取直线、多段线、样条曲线、圆弧：")
(if (not (setq ss (ssget '((0 . "*LINE,ARC")))))
(progn (princ "\未选中对象。程序退出！") (exit))
)
(initget 6)
(if (not (setq jd (getreal "\n输入模糊距离：<0.001>"))) (setq jd 0.001))
(initget 1)
(setq ptBase (getpoint "\n指定标记引出线的位置点："))
(command "LAYER" "M" "层标记-悬挂线" "C" "1" "层标记-悬挂线" "")
(setvar "osmode" 0)
(vl-load-com)
(setq i -1
ptList nil
ptNo nil
)
(repeat (sslength ss)
(setq entnam(ssname ss (setq i (1+ i)))
obj (vlax-ename->vla-object entnam)
ptStart (vlax-curve-GetStartPoint obj)
ptEnd (vlax-curve-GetEndPoint obj)
)
(if (not (vlax-curve-isclosed obj))
(progn
(setq ptList (cons ptStart ptList))
(setq ptList (cons ptEnd ptList))
)
)
)
(prin1 ptList)
(while (setq pt (car ptList)
ptList (cdr ptList)
)
(if (wdy_cxgx_duibi pt ptList jd)
(setq ptList (vl-remove pt ptList))
(setq ptNo (cons pt ptNo))
)
)
;| (while (setq pt (car ptList)
ptList (cdr ptList)
)
(if (member pt ptList)
(setq ptList (vl-remove pt ptList))
(setq ptNo (cons pt ptNo))
)
)|; ;另一种写法，无精度判断，算法较差
(if (not ptNo)
(alert "提示：\n恭喜你！没有发现悬挂线对象。\n")
(progn
(foreach pt ptNo
(command "LINE" pt ptBase "")
)
(alert
"提示：\n发现了悬挂线对象！\n\n请根据“层标记-悬挂线”图层中的引出线位置点进行查看悬挂线位置点。\n"
)
)
)
(command "undo" "e")
(setvar "osmode" 15359)
(princ)
)
(defun wdy_cxgx_duibi (pt0 lst jd / TorF x)
(setq TorF nil)
(foreach x lst
(if (equal pt0 x jd)
(setq TorF T)
)
)
TorF
)
;;;*****查悬挂线 程序结束***** (defun c:ccc()
(if (setq ssa (ssget '((0 . "LINE"))))
(progn
(setq ptb nili -1)
(repeat (sslength ssa)
(setq dxf (entget (ssname ssa (setq i (1+ i))))
p10 (cdr (assoc 10 dxf))
p11 (cdr (assoc 11 dxf))
ptb (cons p11 (cons p10 ptb))
)
)
(setq jgb nil fhz nil)
(while (setq pt(car ptb)
ptb (cdr ptb)
)
(if (member pt ptb)
(setq ptb (vl-remove pt ptb)
fhz (cons pt fhz)
)
(setq jgb (cons pt jgb))
)
)
(mapcar '(lambda(x) (command "_circle" x 50)) jgb)
;变量tymlb储存刚好首尾相接直线的图元名列表
(setq tymlb nil)
(foreach pt fhz
(setq ssa (ssget "c" pt pt '((0 . "LINE")))
i -1
)
(repeat (sslength ssa)
(if (not (member (setq ent (ssname ssa (setq i (1+ i)))) tymlb))
(setq tymlb (cons ent tymlb))
)
)
)
)
)
(princ)
) 上面是论坛源吗。。只支持直线。。。
高手们帮改个对直线，圆弧，圆，多段线，样条曲线，二维三维多段线都支持的。。。 (defun c:ccc()
(if (setq ssa (ssget '((0 . "LINE"))))
(progn
(setq ptb nili -1)
(repeat (sslength ssa)
(setq dxf (entget (ssname ssa (setq i (1+ i))))
p10 (cdr (assoc 10 dxf))
p11 (cdr (assoc 11 dxf))
ptb (cons p11 (cons p10 ptb))
)
)
(setq jgb nil fhz nil)
(while (setq pt(car ptb)
ptb (cdr ptb)
)
(if (member pt ptb)
(setq ptb (vl-remove pt ptb)
fhz (cons pt fhz)
)
(setq jgb (cons pt jgb))
)
)
(mapcar '(lambda(x) (command "_circle" x 50)) jgb)
;变量tymlb储存刚好首尾相接直线的图元名列表
(setq tymlb nil)
(foreach pt fhz
(setq ssa (ssget "c" pt pt '((0 . "LINE")))
i -1
)
(repeat (sslength ssa)
(if (not (member (setq ent (ssname ssa (setq i (1+ i)))) tymlb))
(setq tymlb (cons ent tymlb))
)
)
)
)
)
(princ)
) 这是论坛另一源码。。。都只支持直线 http://bbs.mjtd.com/thread-90624-1-1.html
原文连接。。。 在线等。。。难道只有悬赏贴有人回复。。。解决吗。。。 本帖最后由 自贡黄明儒 于 2012-7-19 11:27 编辑
楼主要求不明，难怪无人回答。是不是想检查线、弧是否围成了封闭图形？
(> (sslength (ssget "c" pt pt '((0 . "*LINE,ARC"))) 1)
;;pt为端点
去下载个燕秀，有这功能 自贡黄明儒 发表于 2012-7-19 11:21 static/image/common/back.gif
楼主要求不明，难怪无人回答。是不是想检查线、弧是否围成了封闭图形？
(> (sslength (ssget "c" pt pt '( ...
你仔细看要求了吗。。
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