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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]5 M: |# B) u' c' E% u: a
to setup
1 ?7 h, h' Z: b5 Q0 n% m4 B  clear-all* D4 S0 ?& u7 z0 l# P$ b7 \
  setup-patches1 V+ Z+ L# L' N- X& X1 s
  create-turtles 100
) z2 Z  f* G2 j  do-plots
0 S% a: _: x) w* n1 A2 o5 g7 j  ask turtles [ setxy random-xcor random-ycor ]
/ J8 L5 `5 V5 D1 o/ qend  K/ }6 d* H. R1 j0 n1 q8 ]' b
to go
( p2 D, ~' {& K  move-turtles5 c) e: s3 x, t: J2 t6 V+ w+ r* P
  eat-grass
1 c! ~+ |1 x3 i1 j; p4 q/ l" v8 z  reproduce- u! y0 e* {: Q, V. Q! f
  check-death# c* _( c8 S" [
  regrow-grass
* g3 A; L1 K  K9 S2 N  b* e; k  do-plots1 z; C- B, b$ w# U7 n# v
end
# G* [( P6 U5 H5 [4 ]+ R! Gto move-turtles8 O) R$ l$ P" _
  ask turtles [
% G" M  U4 |) u    right random 3607 v9 |, }/ \) h3 R9 E7 ^! U
    forward 1! J$ N7 |9 _4 E, [/ {
    set energy energy - 1% |1 I. T, {  o' T# Q
    ]
3 z  U1 W  B* Y) S3 Qend
8 k- ?/ A+ ]% h' ]. j$ k& J( F: Dto setup-patches
! Y$ E9 a% ?: q9 ^  ask patches [ set pcolor green ]
# ^4 t! ]; a' E; q5 O5 j  Send
3 H4 d" ~1 G- m* _# e$ I5 Hto setup-turtles; T6 h  X" l0 c& C1 U! B# \
  create-turtles 100
3 L0 r; }5 f- E  P  ask turtles [ setxy random-xcor random-ycor ]
; L( i3 O+ a; E' A. a6 j" Iend, F3 e+ g/ i' |8 o+ ~- `
to eat-grass- }' k* E1 d4 A; ~; g2 w
  ask turtles [% e. y/ X5 D1 A6 H8 {
    if pcolor = green [
' Z0 q$ c8 |6 U' r% w% {5 G      set pcolor black& V# y8 ]! j4 r! H' n3 {0 L
      set energy (energy + 10)
$ @% ?! i) V3 y& O      ]
5 h- \/ m1 j8 C) D& {    ifelse show-energy?4 `- e: y2 ^* m, Z7 m
      [ set label energy ]
% h, y) z& ~. n$ f      [ set label "" ]
* e8 H, U. G* f    ]
8 y! u) t% Q, S* U; Cend
( r# G: j. W. t& tto reproduce
; ~. x7 ^! b$ a  ask turtles [
, m0 @1 [& F3 D    if energy > 50 [, P( Z1 ]. G3 P/ s" s, h9 z; z
      set energy energy - 50
8 H7 _: u% c4 R, @      hatch 1 [ set energy 50 ]' U$ J6 n0 O9 o- ~2 S1 B
      ]! F' v0 C3 w. S& s5 S  D: r
    ]8 s$ O" J. I" a' m$ f
end
2 F' g9 I3 f! Vto check-death
  y" f% H9 O+ S; N0 H  ask turtles [; L8 e2 j  p% w) d
    if energy <= 0 [ die ]
9 h0 a/ Q. Y+ [) @0 Q! `$ y" C% \8 V    ]7 B, Z# O5 o5 c: ]# e
end$ i- \* h: g- R) r2 @* X( |
to regrow-grass
3 Q' A$ r# ^( t( W+ ]& e  ask patches [+ E4 j* V( d, i5 G
    if random 100 < 3 [ set pcolor green ]# w; P! k5 E  ?0 }
    ]
3 P9 o, X) g5 H& z% fend5 V7 b* j! d' ^) {/ g# G! J; ?% ]
to do-plots
  C2 A: L0 I- ]  set-current-plot "Totals"
5 Y3 C6 n# E) a& X8 L5 r; M  set-current-plot-pen "turtles"+ z" f2 s# T2 E& H, B' |1 z
  plot count turtles
0 P; C. b/ V$ O' S( A3 {  set-current-plot-pen "grass"
1 P2 P( P; u# b7 [# h5 |; W3 X  plot count patches with [pcolor = green]
6 v- X( S2 B9 j+ U" p! jend
' m+ V3 T) Y4 ]* x* O可是运行时提示no such plot: "Totals"
7 T, U! C9 N# M+ b. [+ h6 `error while observer running SET-CURRENT-PLOT
+ R6 E/ E& k6 v/ i9 @7 s4 l1 z* R  called by procedure DO-PLOTS0 l& S# K4 p$ t% T" a' N/ J5 @
  called by procedure SETUP$ A/ i6 `5 B9 j3 n" b
  called by 按钮 'setup'8 o- Z* g/ |2 I# a, z+ n$ j3 U2 M
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
7 B& F5 L2 |, m- x: h5 M! N3 f建一个叫做叫做Totals的绘图框就行了
. ~$ l4 z5 a  ^  G; I4 [9 Z% C
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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