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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]
3 p0 |+ d* K" O. T2 a, ?) E4 i) nto setup
3 `/ |" p9 P# n, u% J  clear-all% ]+ `8 I  _* n5 p
  setup-patches
  m7 F' I4 m+ h! ~9 F5 F, K  create-turtles 100
! ~5 g! q% @: q! R3 W, P, M/ p# k  do-plots/ G; q/ T. k% z1 e% f0 J" J2 l
  ask turtles [ setxy random-xcor random-ycor ]4 m. [& @2 q5 k$ p# p
end
( ]0 y, Y! N, H8 c, nto go! B. C0 R2 w% V7 u. A
  move-turtles
& _( Y/ p. l3 N% M  eat-grass
/ V7 V& C. ~7 n' ?; s  reproduce
; y0 t, g( K) D  check-death
' m/ \, s/ C5 z$ x8 t  regrow-grass# R6 Q9 ?; F. g9 O% n: \' q
  do-plots; j9 g& Q2 K) G% ?+ z9 n/ C
end
# r! ~1 R; m. C$ hto move-turtles
0 Y0 O& }& Z# `8 [" V3 a8 b  ask turtles [
# s4 s4 z$ u: b9 Z2 ?2 ~2 e    right random 360* N7 K0 j( Q" d" O4 z+ Q
    forward 1
- a9 ~3 [4 _: y: y    set energy energy - 1/ {' m; C: t8 d, m
    ], Y2 n0 W  u4 E# K# @; f- f
end( {; d* _$ R' o8 G* ~
to setup-patches
0 i. U$ _& d. {; t* i  ask patches [ set pcolor green ]! U, t" D1 k7 K% Z1 T1 l$ q
end1 _8 H% T6 R  B+ v
to setup-turtles- P* b9 H; R$ F/ e4 M# t+ l
  create-turtles 100) r+ y9 L6 w6 G' ~4 Q
  ask turtles [ setxy random-xcor random-ycor ]
: Z" @) m/ a0 P' Z/ K8 J" _7 C! tend1 `  r! V3 U5 Z. A7 O8 F5 O2 ^0 Y7 C8 D
to eat-grass
4 G& ?8 P# I7 G" q( c  ask turtles [
9 m: |* {. O6 w; r) Y  a: P    if pcolor = green [
: F, {. `( N6 n7 P9 g$ T3 m      set pcolor black
" a  G" F2 p% b) r# Q0 s      set energy (energy + 10)2 p0 u1 ?2 u- a  L
      ]
' k% |* N: ~2 S* J    ifelse show-energy?
, F5 `+ }0 z. @: ~9 Y      [ set label energy ]; Q& U9 h/ V( H7 u
      [ set label "" ]. F4 o, q8 r  c8 b9 K
    ]
/ {% q# j7 p: Lend' \3 E  {. `& v  _) k" a9 `
to reproduce7 J& c: U7 `. H9 J8 p
  ask turtles [; C$ F1 s1 _) g
    if energy > 50 [
9 r  `& {: B+ t" a" Y) l      set energy energy - 502 r) I$ `3 V. m% _& @1 \
      hatch 1 [ set energy 50 ]4 D' P+ R# O. \; d3 r: y/ \
      ]9 c; ]9 }) o" l* ^3 b7 q5 A
    ]
- F# r3 |4 C2 {& Z5 O# @end
( g  p  h& N" A% @6 @to check-death
2 Q# d3 l( j% ~) n' q+ ]6 z  O  ask turtles [  o1 C6 S- P. W8 m! u+ I/ t
    if energy <= 0 [ die ]: a6 V: ]  U% E) [& P7 B
    ]
5 P. Q$ G! h! z$ Fend
  y  p2 q4 i0 c# K$ `  Y5 Xto regrow-grass: a" v5 o6 p' L- M8 _
  ask patches [. A8 c* x( i# Y! J  Z
    if random 100 < 3 [ set pcolor green ]
( C  f1 \; k' @. Y2 O    ]8 N) x$ V* |; Y+ H6 \
end6 Y" k3 {, t% M# U3 ~
to do-plots
  i' ^# }9 X8 K9 |! W, m/ I  set-current-plot "Totals"" Y" O* D+ `1 D. `* ~" o" O
  set-current-plot-pen "turtles") K5 p, X" ~+ Y7 S
  plot count turtles4 l9 V) T7 j8 q6 }9 F5 t2 R- {
  set-current-plot-pen "grass"
. W" }+ s2 c  F' Q0 b1 v- Y$ v  plot count patches with [pcolor = green]" p1 [$ M0 }/ m8 B: A
end
3 r& H5 K7 e( p& X1 D. F可是运行时提示no such plot: "Totals"8 N$ X# x( G; c. D
error while observer running SET-CURRENT-PLOT
) }( j6 m" \) F: |7 [* T) `0 m  called by procedure DO-PLOTS
& L" o! l' p/ H3 `  called by procedure SETUP# Z1 B/ A6 X- {" e0 y0 v1 ~' Y# p
  called by 按钮 'setup'
# ?5 a0 @) b! l: m- w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 q( U( C& A/ |! k% ~" R' W) u建一个叫做叫做Totals的绘图框就行了
" W- _. \& R( b
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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