linheyuanpcb 发表于 2008-10-6 09:51:00

选择圆,所选圆在其圆心处画一条直线

<p>求以下功能:选择圆,所选圆在其圆心处画一条直线</p><p>&nbsp;&nbsp; 就是圆到圆边上的半径直线,谢谢</p>

linheyuanpcb 发表于 2008-10-6 16:38:00

本帖最后由 作者 于 2008-10-6 16:43:31 编辑 <br /><br /> <p>已经解决,.............................</p><p>(DEFUN C:CCH ( / SS OLDL OLDOS N I PC D PT1 PT2 PT3 PT4 A DL NN)<br/>(SETVAR "CMDECHO" 0) <br/>(PRINC "\nSelect Circle(s) :\n说明:请选择要标注的所有圆回车,点选圆便可自动画半径引线前面如不选到的圆则无效")<br/>(setq snp(getvar "osmode"))<br/>&nbsp; (setq obj (ssget '((0 . "CIRCLE"))))<br/>&nbsp; (setvar "osmode" 0)<br/>&nbsp; (setq num 0)<br/>&nbsp; (IF (setq SS (SSGET '((0 . "CIRCLE")))) (PROGN<br/>&nbsp; (SETQ OLDL (GETVAR "CLAYER") OLDOS (GETVAR "OSMODE")<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; N (SSLENGTH SS)&nbsp;&nbsp;&nbsp; I 0)<br/>&nbsp; (COMMAND "LAYER" "M" "CUT" "")<br/>&nbsp; (SETVAR "OSMODE" 0)<br/>&nbsp; (REPEAT N<br/>&nbsp;&nbsp; (while (&lt; num (sslength obj))<br/>&nbsp;&nbsp;&nbsp; (setq ent(entget(ssname obj num)))<br/>&nbsp;&nbsp;&nbsp; (setq cen(cdr(assoc 10 ent)))<br/>&nbsp;&nbsp;&nbsp; (setq r(cdr(assoc 40 ent)))<br/>&nbsp;&nbsp;&nbsp; (setq right(polar cen 0.0 (* 1.0 r)))<br/>&nbsp;&nbsp;&nbsp; (setq left(polar cen pi (* 0 r)))<br/>&nbsp;&nbsp;&nbsp; (setq top(polar cen (/ pi 2) (* 0&nbsp; r)))<br/>&nbsp;&nbsp;&nbsp; (setq bottom(polar cen (* pi 0) (* 0 r)))<br/>&nbsp;&nbsp;&nbsp; (command "line" left right ""<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; "line" top bottom "")<br/>&nbsp;&nbsp;&nbsp; (setq num (+ num 1))<br/>&nbsp;&nbsp;&nbsp; )<br/>&nbsp; (setvar "osmode" snp)<br/>(PRINC)<br/>))<br/>)<br/>)<br/></p>

清风明月名字 发表于 2013-6-28 17:58:36

谢谢分享，学习一下

混沌初开 发表于 2013-12-28 01:11:40

学习了!
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