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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]: n  e! a/ E0 \0 T% O% ?/ h
to setup9 f$ W6 H  n2 B0 Y
  clear-all: {, Z! j- e! `, ~# X
  setup-patches
# k! d0 k1 O8 C5 l1 N/ k  create-turtles 100
/ w  V9 b# e5 O4 P6 e& z: q  do-plots
9 k5 a  M' J4 E# D  ask turtles [ setxy random-xcor random-ycor ]2 H; c# E0 v; q' F0 K8 c
end
+ X* ~* [: q) C4 bto go
- Y/ [9 E; d' v$ O( }9 S( [  move-turtles
% n4 B. @. y0 w  eat-grass
+ c+ S! J% K! |5 {  reproduce
4 y' c$ Y; H: ~' v  L  check-death
3 `/ B, R# Z2 ^' P% {" J' Q4 _' ?  regrow-grass! j1 F$ C5 Z' @7 l4 F/ P( R. @1 t, Z
  do-plots" y- ^" j" z6 c3 C  i; Q6 x
end' g  p. J$ a: Y) y; D9 Z
to move-turtles
6 ~9 V( M, s0 F( {( Q* C" T2 Q' z  ask turtles [
! S+ a3 K: R5 j$ K7 ]; b    right random 360
; E$ T6 I! ~' P" b( j    forward 1
1 j# {5 J" e: H' O) h    set energy energy - 1: u, B) a) [+ m. n
    ]
8 {. C: w: y, Aend1 {: E6 q! Y' t5 N) m& Y
to setup-patches; X; @+ y% N  k, L
  ask patches [ set pcolor green ]
* }3 d- v8 {) W2 \7 J$ p5 v8 R3 Yend
/ b& O5 F# B6 X9 {to setup-turtles
7 }5 ~- m4 h  b, R7 S  create-turtles 100
. Q4 ?1 _% b& O8 Y7 b  ask turtles [ setxy random-xcor random-ycor ]: n- f2 Z$ O7 e* O
end
* S" a% [, m$ _$ ]0 r5 Dto eat-grass8 A; `8 Q( F4 D8 o: Y
  ask turtles [
6 X  h$ e6 y/ G5 c    if pcolor = green [
9 c$ O+ M- L, D" P      set pcolor black
$ A/ K- r+ R' y; m- X4 K      set energy (energy + 10)
' f$ ~% Q7 ~& t) g4 Y: X      ]
% }$ ]* C! @1 p* h, J7 m2 ^0 a. `    ifelse show-energy?
* z9 V' C/ D. S' g& s$ M      [ set label energy ]
2 X: k1 }7 q9 ~* [/ g$ ^6 m      [ set label "" ]
* {) L. X; ?6 q! h4 h& N    ]4 Q6 l4 \  o) p/ _
end
! t0 {: p$ Z) z. v7 Y) P# ?to reproduce- }2 E4 v2 z0 k0 L5 Z5 h  ^
  ask turtles [, O) q: B4 P& B& J& c% |
    if energy > 50 [
* @% C9 s0 _8 C( I7 i3 ?+ r9 D      set energy energy - 509 c5 {5 m0 x7 c  I; H& U
      hatch 1 [ set energy 50 ]
: f3 K7 g; z, f! O: w6 p      ]
! Z9 O& a9 K2 O, b% P0 d% h; c1 E! {; w    ]% P; N5 H5 f: p  F, _* w  _
end' f6 v- @7 l2 |- Q) |" |
to check-death6 N4 {9 o7 B' c4 C2 I( W
  ask turtles [/ p7 ]& \1 Q8 f& i% o# W
    if energy <= 0 [ die ]
1 s$ F3 [! P0 g0 d/ K5 M  h    ]" o1 I0 g- O, C. s5 q, R+ t- @# Q
end
+ o; K- [3 n0 S6 a$ L& }9 Eto regrow-grass
% f/ w* ^- G. Y: \9 o  ask patches [
5 |, U% y& U: d1 {7 L# d    if random 100 < 3 [ set pcolor green ]
" W: q8 ~5 F+ R) O7 Q    ]
& X9 \( j3 P7 Rend
# N4 A4 g9 y$ T/ m9 r. ^* vto do-plots
5 O, s( a+ P) s* J  set-current-plot "Totals"- n& N6 F5 b# {% D: L0 H
  set-current-plot-pen "turtles"7 Z, ^# {  J. `2 v/ @* m! T% j4 a
  plot count turtles
: A1 ?- M7 }2 Q  set-current-plot-pen "grass"8 ^  [, h/ z! W! B* i
  plot count patches with [pcolor = green]3 d0 F& h' ~) O* ~0 x
end
( Y9 S. u7 z& i( \* C% t& h+ F可是运行时提示no such plot: "Totals"
1 K$ V9 x6 a: Cerror while observer running SET-CURRENT-PLOT
  \' _' u& ]/ S: X; F; T  called by procedure DO-PLOTS
4 m* S, p6 ?  s. v  called by procedure SETUP, c: g3 h9 K- N+ A1 E! M8 z2 e
  called by 按钮 'setup'- s+ E) h1 f, q3 N6 k/ y
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 W6 u6 ~2 [  X* i6 `7 z建一个叫做叫做Totals的绘图框就行了

" d, F  I; S1 h' |, L: e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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