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]
% E) [3 O8 ?% d3 z$ E) `4 ~to setup
  clear-all
+ w6 D0 d$ }( n% v! r  ^2 G  setup-patches
  create-turtles 100
% O2 b+ M& j! K: _  do-plots
# R  E" t2 `# R+ |$ j) v9 s  ask turtles [ setxy random-xcor random-ycor ]
end
4 A" W2 F. T! S5 i( M% nto go
3 H5 Q# W" _9 e- z9 I3 }  move-turtles
) [7 Y( D% m: {+ b  eat-grass
  reproduce
3 ?" {* x4 D; Y0 n/ w+ b4 D  check-death
7 t0 M. \3 h- C  regrow-grass
% }6 L$ Q$ C4 _  do-plots
end
to move-turtles
; ?* `( h9 b3 e) p  T1 K4 O1 y- y  ask turtles [
    right random 360
    forward 1
0 @2 H* t4 W5 _0 A- @* [    set energy energy - 1
    ]
8 n! T% q) H0 s6 }0 `, S$ N) ~end
to setup-patches
2 P9 D/ M2 o' p  d- G; y  ask patches [ set pcolor green ]
end
  }8 w5 L5 Z3 [% _3 _& l3 Z2 B4 l  ~to setup-turtles
  create-turtles 100
  ask turtles [ setxy random-xcor random-ycor ]
( `, P5 u5 U0 z6 {8 b1 c0 Jend
; b. W' m' t& M% X# Fto eat-grass
8 r- N, s, I+ z5 U9 l7 ^' N5 _: y  ask turtles [
    if pcolor = green [
      set pcolor black
      set energy (energy + 10)
      ]
    ifelse show-energy?
      [ set label energy ]
0 @) N6 u) d+ \. [% o1 i      [ set label "" ]
! B, r6 v; q9 z) z    ]
& s! \( w; K; d. p2 Y' fend
4 h) _. K' V6 wto reproduce
  ask turtles [
6 A0 z) |2 G5 |* r5 J    if energy > 50 [
      set energy energy - 50
* o& K& S) j  f4 M      hatch 1 [ set energy 50 ]
      ]
) c* V/ D* V/ ]: j* `1 b% ~* |0 ~$ P7 t& |    ]
end
8 F0 g4 @1 C$ z  Vto check-death
  ask turtles [
/ Q, s! O/ f  A/ n2 t. p    if energy <= 0 [ die ]
' E8 V- f9 a' e) o9 G    ]
end
to regrow-grass
+ w* C( x/ p# n+ K* h3 M  ask patches [
    if random 100 < 3 [ set pcolor green ]
( G9 m8 R  W/ s    ]
end
  F+ @+ a+ [1 L+ c7 H2 rto do-plots
4 c- i. }% Z- I! S# C  set-current-plot "Totals"
% c. h8 b7 t6 e  set-current-plot-pen "turtles"
/ l* M( `3 c- g2 N$ C7 h3 Z  plot count turtles
  set-current-plot-pen "grass"
  plot count patches with [pcolor = green]
end
可是运行时提示no such plot: "Totals"
error while observer running SET-CURRENT-PLOT
  a& N/ A& h& i- x/ x; B) g  called by procedure DO-PLOTS
  called by procedure SETUP
  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
3 R* ^0 E3 s7 b# v; q建一个叫做叫做Totals的绘图框就行了

% ^5 i8 s' c5 q" ?- Z- T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。