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]
to setup
! K( ~0 @5 ~& S! C8 H  clear-all
$ W" w$ g4 p; X+ d* D0 [5 y  T  setup-patches
  create-turtles 100
  do-plots
7 q/ l7 L: D" |) N+ `$ S, r! l  ask turtles [ setxy random-xcor random-ycor ]
end
7 u8 _6 a% @" R/ N) Q/ x5 P# Gto go
  move-turtles
  eat-grass
  reproduce
  check-death
  regrow-grass
4 u$ W% ?5 U6 L8 h+ y  do-plots
end
; f& S% b  d6 M, }6 ?! X9 y& |to move-turtles
- y; W$ L% P( W1 j' o0 Q8 ]6 f  ask turtles [
' i1 S! `4 V" ~" E    right random 360
    forward 1
    set energy energy - 1
    ]
end
' b$ g5 [+ I7 N, E$ |to setup-patches
  ask patches [ set pcolor green ]
end
- M3 W' C6 T# Z! n+ x* y5 @/ W) oto setup-turtles
  create-turtles 100
  ask turtles [ setxy random-xcor random-ycor ]
end
! B: {' H' t+ _$ x0 Gto eat-grass
* u" M" B+ J; B. c5 x0 j  ask turtles [
! ]2 L0 G$ H1 H: J* h5 Y* Y    if pcolor = green [
; y% q( E: V1 ^, K4 D      set pcolor black
      set energy (energy + 10)
7 d" n' P8 ]' Z3 P$ v      ]
( @4 g' l0 E! C2 S* J; e    ifelse show-energy?
6 K* Z/ [) N" n: {& {0 |      [ set label energy ]
- z2 g- V; M) c4 E2 X      [ set label "" ]
    ]
8 x2 I1 P6 B& M( c' I1 A# }' send
to reproduce
  ask turtles [
    if energy > 50 [
% o! Q9 B# P! L      set energy energy - 50
      hatch 1 [ set energy 50 ]
9 R1 D) B9 ~+ w2 [/ w  ~6 D6 D      ]
    ]
end
; G  R4 k9 P0 I# s1 T6 M9 H& [to check-death
, C0 v: r& I7 l, T8 O) t  ask turtles [
    if energy <= 0 [ die ]
    ]
end
to regrow-grass
  ask patches [
    if random 100 < 3 [ set pcolor green ]
    ]
end
to do-plots
  set-current-plot "Totals"
  set-current-plot-pen "turtles"
8 R) R, |1 f. e/ V) ^8 P, e, s  plot count turtles
4 l: v, m9 k4 f8 n. W2 d  set-current-plot-pen "grass"
9 f! K$ }3 j# E! z# X  plot count patches with [pcolor = green]
end
& O1 C- @) P3 c$ Y可是运行时提示no such plot: "Totals"
! r: k3 {% m/ X! s+ n; Perror while observer running SET-CURRENT-PLOT
0 J7 W, H3 z! S2 o6 @" x  called by procedure DO-PLOTS
' i* g5 ?+ l# T, g" Q$ }  called by procedure SETUP
  called by 按钮 'setup'
" b$ G! V& {' j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
* z4 e% b1 M8 o4 [: W, z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。