[求助]：如何绘制带箭头的直线???

jwhsiling · 发表于 2005-6-22 07:10:13

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小弟初学CAD,不知道如何绘制带箭头的直线,希望各位大虾帮忙!!!
小弟在这里先谢过大家!

ggg · 发表于 2005-6-22 13:00:35

天正里自带了画箭头的命令的，直接用就行了。

烨006 · 发表于 2005-6-22 13:02:56

用引线标注

chenhang1203 · 发表于 2005-6-22 13:06:05

(defun ureal (bit kwd msg def / inp)

(if def

(setq msg (strcat "\n" msg "<" (rtos def) ">: ")

bit (* 2 (fix (/ bit 2)))

)

(if (= " " (substr msg (strlen msg) 1))

(setq msg (strcat "\n" (substr msg 1 (1- (strlen msg))) ": "))

(setq msg (strcat "\n" msg ": "))

)

)

(initget bit kwd)

(setq inp (getreal msg))

(if inp inp def)

)

(defun upoint (bit kwd msg def bpt / inp)

(if def

(setq pts (strcat

(rtos (car def))

","

(rtos (cadr def))

(if

(and (caddr def) (= 0 (getvar "FLATLAND")))

(strcat "," (rtos (caddr def)))

""

)

)

msg (strcat "\n" msg "<" pts ">: ")

bit (* 2 (fix (/ bit 2)))

)

(if (= " " (substr msg (strlen msg) 1))

(setq msg (strcat "\n" (substr msg 1 (1- (strlen msg))) ": "))

(setq msg (strcat "\n" msg ": "))

)

)

(initget bit kwd)

(setq inp

(if bpt

(getpoint msg bpt)

(getpoint msg)

)

)

(if inp inp def)

)

(setq cm(getvar "cmdecho"))

(setvar "cmdecho" 0)

(defun C:ARR ( / #dwgsc w v pt1 pt2 pt3 )

(if(= arscl nil)(setq arscl 0.1875))

(setq #dwgsc(getvar "DIMSCALE")

W(getvar "PLINEWID")

V(getvar "OSMODE")

L(getvar "CLAYER"))

(setq arscl(ureal 7 "" "请输入箭头长度" arscl))

(setvar "OSMODE" 1)

(setq pt1 (upoint 1 "" "指定箭头顶点" nil nil))

(setvar "OSMODE" 512)

(setq PT(entsel "\n选择直线上要画箭头一端的任意一点"))

(setq PT2(cadr PT))

(setq ED(entget(car PT)))

(setq PT3 (polar PT1 (angle PT1 PT2) (* #dwgsc arscl)))

(command "PLINE" pt1 "w" "0" (* #dwgsc (/ arscl 3)) pt3 "")

(setvar "OSMODE" V)

(setvar "CLAYER" L)

(setvar "plinewid" W)

(princ)

)

(setvar "cmdecho" cm)

(princ)

sunwaygogo · 发表于 2005-6-22 13:18:54

不知道好的方法就用笨的:画三角后填充!!!!!!!!!!!!!!!
其实用pl命令就行!!!!!
试试

swm1982 · 发表于 2005-6-22 13:40:07

如果没天正理正的话，还是用多义线就是楼上说的PL挺不错的！！

沙漏 · 发表于 2005-6-22 15:21:45

PLINE线就可以的

bill-lb · 发表于 2005-6-25 13:05:38

qlerder

ZHZHT2004 · 发表于 2005-6-26 10:05:43

可以用多段线，设置不同的宽度。

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[求助]：如何绘制带箭头的直线???

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