自学中文手册时遇到了问题，求高手解答

newlove

我编的程序如下turtles-own [energy]
) f' C% X  D2 t0 N8 a3 p3 Uto setup
  clear-all
) D9 f! _: E" o# e  setup-patches
- o7 R: h! U8 C7 D  create-turtles 100
+ V1 |+ i4 U4 X  do-plots
) f* S3 u3 \" F3 }  ask turtles [ setxy random-xcor random-ycor ]
# d/ p0 A- ?, hend
) T/ D( b/ m' V" @5 g) D: B5 N3 A, U0 Ito go
) @6 ^: R5 R1 y2 x4 a& d, C  move-turtles
+ x% }. W& n; E3 Y; `3 a1 b9 s  eat-grass
  reproduce
  check-death
0 |: ~% n2 }: ~" {' A  regrow-grass
  do-plots
end
to move-turtles
  ask turtles [
    right random 360
    forward 1
    set energy energy - 1
    ]
end
0 g" E6 C/ t3 K0 E0 tto setup-patches
% a! m" S; W6 ]1 ]9 E  ask patches [ set pcolor green ]
5 T: ?3 s* |3 j7 f& q! |; W6 }6 rend
to setup-turtles
0 C( i* b% N. P9 P$ c' p* u  create-turtles 100
  ask turtles [ setxy random-xcor random-ycor ]
end
2 u  [" O7 O& D8 m. zto eat-grass
  ask turtles [
    if pcolor = green [
      set pcolor black
      set energy (energy + 10)
      ]
5 G) d1 h4 S' l, [    ifelse show-energy?
      [ set label energy ]
# \* U, [& u9 o1 m      [ set label "" ]
    ]
# V- k4 X7 y% J3 @4 a  [5 send
; T+ L4 Z. C( Mto reproduce
  ask turtles [
% n6 j( {; }. m$ _    if energy > 50 [
1 p* g0 Y+ W/ B      set energy energy - 50
" Q2 N# O2 ?4 s; V# U3 C      hatch 1 [ set energy 50 ]
5 W$ J6 O( T4 H. o. q! l      ]
. q; q3 w' S* j7 P    ]
end
to check-death
  ask turtles [
    if energy <= 0 [ die ]
# F* @7 L) N0 u# v    ]
end
to regrow-grass
4 |9 k$ K! b& ]# I# |  ask patches [
    if random 100 < 3 [ set pcolor green ]
    ]
  _% g- T( c3 T0 H9 xend
4 Z2 z) ~* f6 n- r% Z+ V1 [. n, m0 Ato do-plots
  set-current-plot "Totals"
) G: ~% d/ K( }7 I  set-current-plot-pen "turtles"
) X: q+ m; s# c  plot count turtles
  set-current-plot-pen "grass"
- P7 _# N0 v1 [! l  Q  plot count patches with [pcolor = green]
end
% t1 W$ l+ t+ H4 \/ v可是运行时提示no such plot: "Totals"
2 e8 I$ M% h& D: \3 H+ Oerror while observer running SET-CURRENT-PLOT
8 Z+ H; u& t9 B  called by procedure DO-PLOTS
1 l) e. w' [! y- {3 m  called by procedure SETUP
5 p- K1 s) C" E; v  called by 按钮 'setup'
求大神解答啊

emlyn

no such plot: "Totals"，就是说你的界面里没有叫做Totals的绘图框

emlyn

建一个叫做叫做Totals的绘图框就行了

newlove

emlyn 发表于 2013-5-29 00:26
+ f, X# {/ I% a$ c( a建一个叫做叫做Totals的绘图框就行了

哦，知道了，虽然自己应经找到问题了，不过还是谢谢哈

pichan

你也可以直接再界面页创建“绘图”，然后设置时钟(ticks)，每一步画一次，不用自己操心。