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
  clear-all
  setup-patches
  create-turtles 100
  y: R6 ^1 a6 t0 |- X  do-plots
3 ~+ n' I' _& K) n& Q  ask turtles [ setxy random-xcor random-ycor ]
- z. }1 k9 q" v- `  X: bend
6 B: P, v: `# c* X/ Sto go
% y" K1 W( o: p/ @2 Y  move-turtles
  eat-grass
& ^- L+ ~$ ^* W" F' ?, ^0 x2 D  reproduce
% @# }+ f" A5 J. w  check-death
  regrow-grass
/ b# M% q4 K6 @* b& }' E  z  do-plots
end
0 D1 P; [9 Z9 o7 S2 o2 r0 }to move-turtles
/ F9 Z/ h7 u$ B% R: G8 l  ask turtles [
    right random 360
    forward 1
0 l  g% l- C8 A( a% {    set energy energy - 1
% ^& l" @" a  h; T0 m% B0 [    ]
" v# w6 u1 ~" d: X8 h  ], g2 M$ {. qend
" N- r( i0 w* r/ R/ x1 A, eto setup-patches
  ask patches [ set pcolor green ]
- ?+ W; u8 w6 Z+ |! f! x& vend
" C6 f6 m2 d% B$ U5 V) z9 m3 t" yto setup-turtles
  ]# J0 {# K- G  create-turtles 100
  ask turtles [ setxy random-xcor random-ycor ]
end
; s5 T! a  k0 p: O/ g/ g* ?8 [7 K9 mto eat-grass
  ask turtles [
    if pcolor = green [
$ S( E1 \) m6 H4 E, ?/ P7 h- @      set pcolor black
      set energy (energy + 10)
      ]
( J& |2 V3 c3 K  m. c9 L! F$ _" }    ifelse show-energy?
      [ set label energy ]
; b0 z) U' x9 }; h! F9 Q- j      [ set label "" ]
    ]
end
to reproduce
& c# W$ ?9 h4 n% J7 G% L$ ?  ask turtles [
0 I6 z2 I8 S* V2 V  s    if energy > 50 [
4 ]9 B+ h+ t+ g! Y& [      set energy energy - 50
' x5 l/ `, U) r      hatch 1 [ set energy 50 ]
  W$ j8 C5 {9 L      ]
& O% |+ F- d. ^    ]
end
0 I/ q& e& y0 U9 W1 i, {to check-death
5 w" v$ b, p6 v  ask turtles [
    if energy <= 0 [ die ]
    ]
! W3 I( q; H: n9 Zend
to regrow-grass
' D+ s  q2 f% ?* Q- y# c  ask patches [
    if random 100 < 3 [ set pcolor green ]
    ]
end
to do-plots
% u6 l" P- q! `  set-current-plot "Totals"
2 W3 s- ?1 [+ x! W  set-current-plot-pen "turtles"
  plot count turtles
! F( l$ u1 z. k$ @# S  set-current-plot-pen "grass"
  plot count patches with [pcolor = green]
end
) M$ t* N7 y" P9 l3 K  [可是运行时提示no such plot: "Totals"
error while observer running SET-CURRENT-PLOT
  called by procedure DO-PLOTS
' ?6 R0 W$ {8 `1 n% j. L/ D  called by procedure SETUP
4 S& U" R( w+ ]1 C2 `3 I. D  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
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。