求教怎样用GRIP编写一个在ug中提取曲线(直线和圆弧)起始点的小程序

ranran_01

求教怎样用GRIP编写一个在ug中提取曲线(直线和圆弧)起始点的小程序
   我对照书写了一个,但不能循环,请各位大虾帮忙改一下,或重新编一个简单的,谢谢!!

$$实体变量声明
4 C/ D! K5 C3 z$ C  ^- q& kentity/cur1,cur2
number/a(3),b(3),c(3),d(3),e(3)
string/str1(30),str2(30)
number/lgth,arclgth,r,sa,ea,cr1,cr2
6 @- {+ ~. c0 T2 N7 ~
l10:
& S- N6 Y7 f9 r# jIDENT/'pick many curve',cur1,cur2,resp
6 O* g- m' e: P- D+ ~- _9 ^JUMP/l10:,trm:,,resp
l20:
a(1..3)=&spoint(cur1)
: _: I5 s8 j) i3 B& X0 D: Z  |' ^b(1..3)=&epoint(cur1)
6 ]2 h8 ^2 O$ [( Mlgth=&length(cur1)
cr1=&color(cur1)
l30:
5 ]( j! A0 V' |  [1 Vc(1..3)=&spoint(cur2)
' z5 h  o7 n6 v% l7 ~8 q5 h* i7 I; ee(1..3)=&center(cur2)
d(1..3)=&epoint(cur2)
arclgth=&length(cur2)
1 A3 h3 |6 F; R1 r" Y. \r=&radius(cur2)
$ c  z4 F% I) @9 h0 N- Esa=&sang(cur2)
0 x" U4 u5 Z+ u$ D1 qea=&eang(cur2)
cr2=&color(cur2)
Print/'Information on object # 1.'
Print/'Type'+BLSTR(13)+'Line'
6 H  U9 v$ ~8 f8 `Print/'Color'+BLSTR(12)+FSTRL(cr1)
Print/'length'+BLSTR(11)+'='+FSTRL(lgth)
+ C/ c+ X% m, k' BPrint/'Start Point'+BLSTR(6)+'XC='+FSTRL(a(1))
Print/BLSTR(17)+'YC='+FSTRL(a(2))
6 ]8 b5 k& Z( HPrint/BLSTR(17)+'ZC='+FSTRL(a(3))
  g& O, l* l) oPrint/'End Point'+BLSTR(8)+'XC='+FSTRL(b(1))
& j1 j9 x8 N) \! e7 y4 X; JPrint/BLSTR(17)+'YC='+FSTRL(b(2))
Print/BLSTR(17)+'ZC='+FSTRL(b(3))
* G7 [# \7 a2 T- h! k! WPrint/'------------------------------------------'
Print/'Information on object # 2.'
Print/'Type'+BLSTR(13)+'Arc'
0 f" E3 E, R6 T8 \2 ?9 Y  RPrint/'Color'+BLSTR(12)+FSTRL(cr2)
  O! p3 K8 ?! T6 I, b4 _) zPrint/'Arclength'+BLSTR(8)+'='+FSTRL(arclgth)
) C9 \- u; m( T0 q) Y( qPrint/'Radius'+BLSTR(11)+'='+FSTRL(r)
Print/'Start Angle'+BLSTR(6)+'='+FSTRL(sa)
& U/ d  k9 A0 x2 S  E- a! D1 \4 RPrint/'End Angle'+BLSTR(8)+'='+FSTRL(ea)
Print/'Start Point'+BLSTR(6)+'XC='+FSTRL(c(1))
( T* Y4 Y  F7 L% C5 h" hPrint/BLSTR(17)+'YC='+FSTRL(c(2))
/ Q/ y. B/ A1 v, o3 U" S" qPrint/BLSTR(17)+'ZC='+FSTRL(c(3))
( E0 U+ \8 N# ^0 x9 ?$ m5 gPrint/'Center Point'+BLSTR(5)+'XC='+FSTRL(e(1))
Print/BLSTR(17)+'YC='+FSTRL(e(2))
Print/BLSTR(17)+'ZC='+FSTRL(e(3))
" h& ^) D% B1 ]  \2 [+ l. C- ~  l- EPrint/'End Point'+BLSTR(8)+'XC='+FSTRL(d(1))
+ q/ I/ S* Q  Z/ zPrint/BLSTR(17)+'YC='+FSTRL(d(2))
; X7 S1 G% W: K. m% x) GPrint/BLSTR(17)+'ZC='+FSTRL(d(3))
- G! I0 x7 a1 U2 z# b. b( z- RJUMP/trm:
$$程序结束。
7 R. K5 _: [) ^' ?5 k6 U/ r, ctrm:
% p' \3 q7 d7 [2 @9 }HALT

danyfer

要想循环就将倒数第四行的"JUMP/TRM:“改为”JUMP/L10:“