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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]8 y1 l! C8 [7 \5 t5 r! h% T4 C
to setup' W2 O: x$ P- G; _. }" R
  clear-all5 o( C/ z' O7 l- L/ K# {! p' r
  setup-patches$ L1 j* b  h( z# c
  create-turtles 100
' T1 B4 }  Z% K3 L. a  z/ i% l  do-plots
3 O( `: A# M% z5 E6 p7 z: d  ask turtles [ setxy random-xcor random-ycor ]9 A3 Z# n$ M, D+ ~" E; E) b9 h6 |
end
% c2 a$ _7 e5 O! X( qto go- [) F5 X+ H1 `; t
  move-turtles
, I- h, k% x: S  eat-grass
  ?6 e1 y6 K$ n, n0 V7 w  reproduce. J& _5 f, d4 w$ W' a2 b9 k
  check-death
) j, M$ H- L4 V" N. t  regrow-grass& F" \' h; W" L% S7 a: c0 c
  do-plots/ S: s9 X; c: b1 N2 e3 B) O- Z
end
7 e5 @" J4 i* wto move-turtles
/ l5 d7 w* J$ R2 B: c  ask turtles [
% u& c' a4 M, y6 i5 y  i    right random 360, N- M9 I+ }5 h9 d7 p) |" b
    forward 1# ^% }7 N: Y0 t2 ?8 N& g) ~
    set energy energy - 14 G# t' g6 e- B; u# a
    ]
; q) E6 C% r" S: j& Vend
0 P6 _" l% |( `- Q( ]7 zto setup-patches% S' W  w  s2 H0 F5 K; Q5 ~
  ask patches [ set pcolor green ]
" [. _9 h/ T9 G: Aend
) {3 F/ I* [/ ?. Lto setup-turtles
) ]+ A( d" b. c' X) H! V) F; X, ^  create-turtles 1003 {4 e# T6 e6 D
  ask turtles [ setxy random-xcor random-ycor ]
) Z  R* b; I$ _" b4 Z: C* y7 oend
8 D3 x1 {: [- C8 |3 I. ^2 eto eat-grass; L7 i; b. g% |7 j
  ask turtles [
) S* m1 |. n4 s: q3 ?7 \" z0 C    if pcolor = green [
6 K0 {7 j6 T/ {5 Z- r      set pcolor black7 D8 U) o8 n+ d' W% g, u0 W/ J
      set energy (energy + 10)  r8 Z# {! V' W
      ]
5 K4 I' A* O9 t8 e( A  ^    ifelse show-energy?
8 n' S+ Q# T' {' W9 J      [ set label energy ]
, r( {  r* v8 k- `( L      [ set label "" ], V" \, Q9 E' v) }& b9 I
    ]7 S2 s0 ^2 b8 R9 {) z& N
end  u" p% C/ {3 A0 t0 S
to reproduce4 R+ l  U' Z% ^% q' ~
  ask turtles [
4 Y* R& q! K" B; k4 h' w" O    if energy > 50 [
# Y' @9 A2 K7 g2 F$ f- [% r      set energy energy - 50
9 {- P2 z4 {& i5 g2 q      hatch 1 [ set energy 50 ]
4 q0 B# Z: _3 C9 B8 m6 T: M% v; \) _: ~' u      ]1 I& p6 h( |7 G0 z1 [  v
    ]
( L2 ]9 F2 T1 f/ a4 Wend
; m+ m/ `* Z+ a7 Dto check-death
9 ~+ {! z- C3 u( {& g# V  ask turtles [4 }9 i  K6 }4 Z) `5 |1 `3 M
    if energy <= 0 [ die ]
5 |/ a) h7 K: w% R( w! s9 O    ]
  w( ]3 P4 @  f, @3 H: O5 E5 j8 dend* k5 D' h4 g9 y6 U( [' _; m
to regrow-grass* `) h' V8 x5 r- c9 i; q0 `* c5 m  \
  ask patches [6 r6 f3 v: H# r  h0 D
    if random 100 < 3 [ set pcolor green ]
0 T  v( h9 T0 D( m    ]
( ~6 K7 g  U- [* B4 Eend; S& m$ T+ l8 k8 @
to do-plots
9 q, d- c4 b8 _8 I5 @. u4 l( m  set-current-plot "Totals"
6 _  L6 x6 V! ^4 _) l8 Z  set-current-plot-pen "turtles"
: y/ [+ u9 K0 g3 j; h5 U# D( X  plot count turtles. Q& x2 V* l2 u! o
  set-current-plot-pen "grass"
3 p7 |% z3 G( m4 W  plot count patches with [pcolor = green]4 w' a* c% a# m; o' D! q2 j. C
end
& q( O" [; P, ]; X' I% v  }可是运行时提示no such plot: "Totals"
+ N9 Z# B2 D  M' e3 Rerror while observer running SET-CURRENT-PLOT2 A1 F. v, r) Q1 F$ b6 [
  called by procedure DO-PLOTS
& l/ P9 x+ R# N' ?+ r+ g) q  called by procedure SETUP6 b  A3 S' A, K+ r% y& x
  called by 按钮 'setup'
3 r5 u5 j2 z: g6 T8 L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 * [6 p, @/ X: B. d
建一个叫做叫做Totals的绘图框就行了

5 e+ ~8 j" P6 p% h! ~5 h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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