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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& l4 Q" A
to setup8 t8 H7 m) \. `7 d4 v7 q- c; T8 K
  clear-all& ?* f  G; e, p
  setup-patches
' o) I/ A7 T9 w" a0 J# s0 ~( u  N* P  create-turtles 100; u& g: q, H; O( E* _
  do-plots
' Z/ C& K* y1 ]' u8 z  ask turtles [ setxy random-xcor random-ycor ]1 E$ D3 `' a* k9 }7 e/ M, W7 a. P
end' C% M9 h" d* G9 q" @# \! v
to go6 H3 o& j: |7 |: B  S, `
  move-turtles! ^% H2 R' X1 y% |- h
  eat-grass9 r# ^2 ~) e3 U. o+ u! {2 ~7 V
  reproduce! U( j5 ?- J5 t/ Y) E2 K
  check-death
( g( D5 E1 k5 I8 [; v- S. C  regrow-grass
1 _. w& V1 q$ F6 u1 G  do-plots) h$ l/ m% J" I( N: w8 j# H
end
8 p+ [+ I1 S" }6 F% Cto move-turtles
7 S$ D, m2 m7 v3 P4 ]  ask turtles [, j+ c2 |' M! {6 ]6 F
    right random 360
  @  U0 P8 U# m1 n1 W0 {" t6 P    forward 1$ }, Q. Y' {$ ^0 q. N6 p8 R5 R4 R% ~
    set energy energy - 1
8 P* A" W7 _# A1 f5 d4 r" E( c4 m) ^    ]
4 \, Q* j4 X" \6 T6 ?$ S2 r+ [end
$ Y5 ]5 S8 `- U. ^% vto setup-patches
1 v8 |/ q" R& u$ o& ~  ask patches [ set pcolor green ]
& M1 ]5 f" t/ k1 t7 i) ~6 gend3 M! _- Y1 }* r/ V; \( Z" t( m
to setup-turtles9 X; i0 n2 q5 z% r1 n
  create-turtles 100
) z# q: [8 B# t8 c  ask turtles [ setxy random-xcor random-ycor ]. U$ d: v* @% t1 g) h, a% l
end# b1 h* G% w* q
to eat-grass6 x2 e$ n5 F8 Y
  ask turtles [) x* f7 X& w1 r+ u5 k
    if pcolor = green [( \7 r# F' [$ c* h4 |
      set pcolor black6 K% N" d% \; E% Y+ E3 F7 z6 |
      set energy (energy + 10)9 `, x2 j" A1 {  q
      ]
8 r& n% Q1 E% [    ifelse show-energy?
  i1 D/ ]$ W; ~4 K5 C; R; m& i9 V+ Z      [ set label energy ]" E- W4 b, \. s, ]
      [ set label "" ]
7 [% a6 p0 F9 Y+ U, }    ]
3 {3 ~7 t' r2 }% v7 Q7 [7 n3 U* nend
: n: V& n- P! F3 r& L6 _9 \to reproduce+ o/ `7 E7 X$ m0 v
  ask turtles [
! }* s/ t# m% d0 J7 b- z9 Q    if energy > 50 [
+ _) C* p6 ^  h9 i- z      set energy energy - 50
4 x# k9 i) I0 y) X, P4 c/ N      hatch 1 [ set energy 50 ]8 U" M9 m. {% b3 \7 O' A3 N6 S
      ]6 u% R1 W6 v$ D- C; ^. Y# m) I
    ]# f- c* C0 i7 L) J; Z8 L1 b- }& v
end
7 f  x( D8 |- c. a! o4 \to check-death  A: E0 A! B6 O; X1 ~
  ask turtles [
; o+ N. R- M9 C    if energy <= 0 [ die ]! V* x7 k: W" G+ O
    ]
5 h3 \" D# p% h5 E2 B0 d- bend1 \) M9 _+ }: n" R
to regrow-grass. d0 \0 C% h0 j& A6 i. D2 L
  ask patches [
3 X7 Z8 Z" c3 R7 a. S5 Q% \3 E    if random 100 < 3 [ set pcolor green ]' L" q5 u+ N/ q- v
    ]
' g, [. b1 d, u- g; O7 R( ]end
) N6 d0 I* A1 u5 c: E& z2 K9 f2 L9 o, ?to do-plots+ I) e5 A' b. a# `5 a+ {, P1 I
  set-current-plot "Totals"6 ?' [1 \1 _0 f% J( F# A  x
  set-current-plot-pen "turtles"
2 B, R2 d6 N0 P5 H* U/ l  plot count turtles3 S$ \# B$ C9 v, _* }. p' d
  set-current-plot-pen "grass"
  l: @3 b$ k2 p  plot count patches with [pcolor = green]
" d$ s9 I8 _3 B/ |7 I3 [( ]end
* H; l# s4 E; c+ {; D: v( N* I# h可是运行时提示no such plot: "Totals"2 n! S' p4 M: ^3 U8 ]3 d
error while observer running SET-CURRENT-PLOT0 c2 u* H8 J3 ~1 J
  called by procedure DO-PLOTS" v1 |! T2 ]/ l" p% \+ Q
  called by procedure SETUP0 w! R1 d# l0 r2 R1 h
  called by 按钮 'setup'+ D* Q8 S9 X2 l% k8 R1 [" 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   V( Z3 l  m" C# o' S
建一个叫做叫做Totals的绘图框就行了
$ d+ n. ]! J9 O  ~
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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