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[求助] 自学中文手册时遇到了问题,求高手解答

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 楼主| 发表于 2013-4-5 21:09:10 | 显示全部楼层 |阅读模式
我编的程序如下turtles-own [energy]: F: [/ M; ?6 j4 r$ N: c4 `# I
to setup
: |/ M8 V6 j) u3 H4 n6 d  clear-all4 b+ V; W( i8 L/ t8 ^6 B' a. G5 }
  setup-patches. O( D5 s7 W2 N+ {
  create-turtles 100
. {" v5 w7 Y$ r! N. v7 {  do-plots
( [5 A0 h8 M5 s8 G3 C9 u  ask turtles [ setxy random-xcor random-ycor ]
1 o$ I0 f7 N+ E+ H6 l- Hend" ^5 ^4 U( o5 a* ^7 x( T" E+ a  n: j8 ~
to go3 l# X4 a6 z2 @" B0 n
  move-turtles
5 t2 j% @7 g, T! k  eat-grass: i5 b5 v5 u1 r" B5 }9 e, f7 i
  reproduce
* r* v% C. z3 p5 o  check-death
/ R: ~1 X' s6 K) F  h" I6 D  regrow-grass9 V! y1 P9 K" E% g4 S9 H; K
  do-plots" i: b8 C* ]+ n, e
end5 W( }9 ?3 ~6 S$ f# J
to move-turtles- m: ^" z% l6 ]/ P+ V9 k
  ask turtles [1 F7 S/ x$ @. w* G0 A  h
    right random 360* A5 n, C* b! ]1 F8 B* v4 F+ a
    forward 1' X. k( J1 i) F6 |
    set energy energy - 1
) Y! c& m: Q$ d    ]
( Y+ P/ D9 S( h9 @& N' Jend7 v' K! F- D, J2 u6 C
to setup-patches6 v1 F" G2 ]* Z2 T, L5 _3 f. A3 y
  ask patches [ set pcolor green ]* x( x+ U+ s% v& ~
end% m+ x3 n# s; u: k
to setup-turtles
4 |& z1 ~3 Z$ q( o& N$ f  create-turtles 100
; S( z2 S* |4 `4 s# U! o: A) d4 p3 [  ask turtles [ setxy random-xcor random-ycor ]
: m7 Y% i! i  Qend
5 g- b: z7 X2 O6 N  V9 s7 b9 K8 ^to eat-grass9 O  \* e7 ^, Y# W& A4 [& a- A
  ask turtles [
% a: L/ @& j) L* k) x) ~; c$ _    if pcolor = green [
" G# I; V6 @( D2 `" ~      set pcolor black9 C: b. s( X, O( E" X1 y+ a
      set energy (energy + 10)
" |* o$ ^0 O6 x" D+ y$ N      ]
4 \% a( S6 V7 P% M( k. T    ifelse show-energy?/ R& Z1 y. L% X9 d
      [ set label energy ]
" P6 D( w( C" s      [ set label "" ]
! k* F% X" L; U' x    ]
% z5 q8 T2 e- X  m8 qend
, q. j, r1 L. x3 Bto reproduce
/ i+ c  m4 E, U  ask turtles [) C- c% P5 L: p5 x' l2 v$ Z
    if energy > 50 [
4 s/ f1 P2 ?; I% G      set energy energy - 50/ `. O6 w8 n9 _: ?/ @: m
      hatch 1 [ set energy 50 ]' `$ @: B+ h* y9 K6 K8 \
      ]# B, j, Z3 r! G2 u( I2 {9 G, d
    ]
5 K/ B- i$ c. H& G7 a- ^- z4 @end, p6 p1 J. c5 Z0 k3 @% X" N7 R$ X
to check-death6 D5 T/ b2 e9 j. w
  ask turtles [4 K& r7 d3 M1 X3 I8 J% |
    if energy <= 0 [ die ]
2 x* F. |& C9 H1 m    ]
) K( u2 X; Q8 ^9 n! cend
! Z9 [4 h6 G, R+ A+ Vto regrow-grass
6 l- Z# j' L( J9 \- {" _  ask patches [
- S# B) D7 P1 }, }; W3 E  X    if random 100 < 3 [ set pcolor green ]( k) L* W  H" {0 q5 s, L( t
    ]1 c" T4 x( B' j0 Z* D/ P
end# ^, x& @: E$ |3 c! l& B
to do-plots
8 l* ^% o, Y4 S2 V  K" k  set-current-plot "Totals"
3 q% _* H: }0 S7 b" O8 n( p  set-current-plot-pen "turtles"
$ e; k" x6 b- |3 D1 m* T  plot count turtles
" T0 f: h9 ~/ H: M7 X+ ~9 M9 w1 \  set-current-plot-pen "grass"
% _6 T! C2 A. q  plot count patches with [pcolor = green]8 ?2 N( V! X, m, }- g. e$ L# n# i
end8 h  d% I$ I7 m% K* _$ Q1 M4 |' x
可是运行时提示no such plot: "Totals"! d8 _# S% `4 d' S
error while observer running SET-CURRENT-PLOT3 u' J5 _; B; s( A
  called by procedure DO-PLOTS
# D5 n' w' `  K  ]( w3 ^% i0 w  called by procedure SETUP' `2 h5 o& R$ W  l
  called by 按钮 'setup'
1 t2 \- X& L- D! b0 ^% S6 ^求大神解答啊
发表于 2013-5-29 00:25:38 | 显示全部楼层
no such plot: "Totals",就是说你的界面里没有叫做Totals的绘图框
发表于 2013-5-29 00:26:26 | 显示全部楼层
建一个叫做叫做Totals的绘图框就行了
 楼主| 发表于 2013-6-4 12:24:45 | 显示全部楼层
emlyn 发表于 2013-5-29 00:26 8 a* v/ X+ x* C% N+ c) ^
建一个叫做叫做Totals的绘图框就行了
- j$ V' y) J& x3 Q' P8 c( k  }! |
哦,知道了,虽然自己应经找到问题了,不过还是谢谢哈
发表于 2016-5-3 09:17:18 | 显示全部楼层
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。
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