切换到宽版
  • 广告投放
  • 稿件投递
  • 繁體中文
    • 4646阅读
    • 1回复

    [分享]分享AutoCAD中直接画箭头的方法 [复制链接]

    上一主题 下一主题
    离线wz82
     
    发帖
    597
    光币
    4709
    光券
    0
    只看楼主 倒序阅读 楼主  发表于: 2010-03-18
    关键词: AutoCAD箭头
    众所周知,在天正中可直接绘制箭头,而在AutoCAD中不得。最近我发现一个在命令行直接输入命令就可画出你想要的尺寸的箭头的方法,具体实施如下: fq~ <^B  
    ?J<Y]  
      1、首先拷贝下列lisp程序,用ar为名以记事本格式保存,然后改后缀名为.lsp,作为一个lisp程序文件;程序如下: j{C+`~O  
    jV;&*4if  
      (defun ureal (bit kwd msg def / inp)  !NUsfd  
    ;X[mfg\  
      (if def Hc ]/0:  
    ]!E|5=q  
      (setq msg (strcat " " msg "<" (rtos def) ">: ") #(mm6dj  
    BQ2EDy=}6  
      bit (* 2 (fix (/ bit 2))) CLg;  
    ++W_4 B!  
      ) 0Y,_ DU  
    TPZZln'3   
      (if (= " " (substr msg (strlen msg) 1)) x00"d$!  
    o$FqMRep  
      (setq msg (strcat " " (substr msg 1 (1- (strlen msg))) ": ")) OW<i"?0  
    J@54B  
      (setq msg (strcat " " msg ": ")) 8zP{Cmm  
    JV=d!Gi[C  
      ) UQgOtqL3  
    qba<$  
      ) M;V (Tf  
    HaXlc8  
      (initget bit kwd) In#V1[io  
    D^W6Cq5\  
      (setq inp (getreal msg)) !([Q1r{u  
    .?UK`O2Q  
      (if inp inp def) DBYD>UA  
    axW3#3#`  
      ) :A%uXgK<k  
    6?b 9~xRW  
      (defun upoint (bit kwd msg def bpt / inp) dVmI.A'nbp  
    Ml1yk)3G  
      (if def 55 )!cw4  
    $m]~d6  
      (setq pts (strcat {|c <8  
    {y0#(8-&  
      (rtos (car def)) 8'Sw?FbVA/  
    )eop:!m  
      "," fo9O+e s  
    FVNxjMm,  
      (rtos (cadr def)) dtw1Am#Ci  
    ~gQ$etPd  
      (if <GC<uB |p  
    PLf  
      (and (caddr def) (= 0 (getvar "FLATLAND"))) C2NJrg4(  
    ^UHt1[  
      (strcat "," (rtos (caddr def))) 9 =7),`$  
    ; >Tko<  
      "" %wn|H>  
    o6,$;-?F_  
      ) ye=*m  
    Sr Z\]  
      ) 3CK4a,]Dm  
    Oaf!\ z}  
      msg (strcat " " msg "<" pts ">: ") zc>/1>?M  
    e@"1W  
      bit (* 2 (fix (/ bit 2))) ,R]hNjs-{  
    -Zc 6_]F|  
      ) iD+Q\l;%  
    F#>?i}  
      (if (= " " (substr msg (strlen msg) 1)) 8mI eW  
    .q$HL t  
      (setq msg (strcat " " (substr msg 1 (1- (strlen msg))) ": ")) UhQ[|c  
    "W$,dWF  
      (setq msg (strcat " " msg ": ")) 0j\?zt?  
    2V %si6  
      ) RO"c+|Py  
    5RCQ<1  
      ) >U.TkB  
     F* "  
      (initget bit kwd) %SuEfCM  
    {)nm {IV,  
      (setq inp HTiqErD2_  
    :%cL(',Q  
      (if bpt d~@&*1}  
    &m2FEQLj  
      (getpoint msg bpt) 1CK}XLdr  
    pi7Fd\A  
      (getpoint msg) M&o@~z0  
    #s'9Ydd  
      ) :#W40rUb  
    T[*1*303  
      ) 9SF2  
    AB<|iJC  
      (if inp inp def) K0$8t%Z.  
    /4{ 6`  
      ) V)#se"GV  
    .O! JI"?  
      (setq cm(getvar "cmdecho")) &TYTeJ]  
    }9yAYZ0q{b  
      (setvar "cmdecho" 0) >a7'_n_o  
    ~?i;~S  
      (defun C:AR ( / #dwgsc w v pt1 pt2 pt3 ) LdxrS5  
    A_3V1<J`]  
      (if(= arscl nil)(setq arscl 0.1875)) a_Y*pOu  
    R!IODXP=  
      (setq #dwgsc(getvar "DIMSCALE")  x~p8Mcv  
    ({JXv  
      W(getvar "PLINEWID") +k|t[N  
    vW,dJ[N6jm  
      V(getvar "OSMODE") Tbv", b  
    1xN6V-qk  
      L(getvar "CLAYER")) 6\>S%S2:  
    MzZYzz  
      (setq arscl(ureal 7 "" "请输入箭头长度" arscl)) kSx^Uu*  
    {"|P  
      (setvar "OSMODE" 1) 3aIP^I1  
    xG:eS:iT  
      (setq pt1 (upoint 1 "" "指定箭头顶点" nil nil)) PqV9k,5f  
    ( HCB\!g  
      (setvar "OSMODE" 512) HE GMwRJG  
    LV|ZZ.d h  
      (setq PT(entsel " 选择直线上要画箭头一端的任意一点")) LVNq@,s  
    hu}`,2  
      (setq PT2(cadr PT)) c\"t+/Z  
    'p<lfT  
      (setq ED(entget(car PT))) M^^5JNY  
    Yd]y`J?#  
      (setq PT3 (polar PT1 (angle PT1 PT2) (* #dwgsc arscl))) q =sEtH=  
    &:1PF.)N  
      (command "PLINE" pt1 "w" "0" (* #dwgsc (/ arscl 3)) pt3 "") A&EVzmj-+X  
    ;UuCSfs{  
      (setvar "OSMODE" V) (A!+$}UR  
    ~ [L4,q  
      (setvar "CLAYER" L) \a\-hm  
    iSD E6  
      (setvar "plinewid" W) $="t7C9S  
    g}>Sc=e <  
      (princ)  2fZVBj  
    WAr;g?Q8  
      ) #OlU|I  
    n0|oV(0FE  
      (setvar "cmdecho" cm) h| q!Qsnj'  
    6*yt^[W  
      (princ) g<C_3ap/  
    O?`=<W/R  
      2、将ar.lsp拷贝至CAD目录下的support目录下; /{Ff)<Q.Z  
    ZlaU+Y(_[  
      3、在CAD目录下的support目录内找到文件acad2000doc.lsp文件(CAD2002下,在别的版本CAD中可能不是这个名,这是CAD的自动加载文件); *12,MO>go  
    4n6EkTa  
      4、用记事本程度打开acad2000doc.lsp文件,加入一行:(load "ar.lsp") #p'Xq }]  
    ! 6y<jJ>  
      (注意字符要为英文字符) }:JE*D|  
    #rZF4>c  
      5、保存后,重新启动CAD,在命令行就可输入ar命令直接画箭头了。
     
    分享到
    离线南炎
    发帖
    13
    光币
    0
    光券
    0
    只看该作者 1楼 发表于: 2010-03-22
    哇,好复杂,俺去试试看,谢谢!