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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], ]$ E( w* M) o0 w) _# \& ^( _
to setup
+ Z1 X) h" }; a+ C, k' L, h" |  clear-all8 F  \( w0 H; }( c! M2 C
  setup-patches
0 T+ F6 N$ x! \# y# H- N  create-turtles 100
  I( {* S8 x3 i5 L2 O: i/ C  do-plots5 S: [: B7 p/ |4 y. B$ }
  ask turtles [ setxy random-xcor random-ycor ]
4 w% m2 {! q! x2 {. hend' q# l/ \; h0 I3 u) L
to go
5 b4 c( l- ]" N' n& Q: @8 ]9 I5 M  move-turtles$ V( {6 y! u, v$ W1 y1 V* X
  eat-grass
3 n' Q4 T& d* K* P  w  reproduce
- y! k* w0 W# Q8 W, k  check-death
/ N  z. u3 Z. ?1 A5 a" p  regrow-grass/ w! O3 ]7 y  B, i
  do-plots
9 j1 I3 X" V) Yend
' A" Z  O9 I- V8 E4 a; U# ^to move-turtles
# a1 _# ]7 }* h* }( O: O5 g3 V: Z7 f  ask turtles [! p; c4 y7 p" p5 J9 \
    right random 3606 A! L5 }; c) O0 x
    forward 1
5 }& v; G5 P2 {6 g/ Q- n6 q    set energy energy - 1# t' F5 m! T' s: {, u
    ]
4 V1 B  U) \' t0 @5 h2 Q3 T) S, \end
$ j" |" u% Q& L; \/ O' s6 ^to setup-patches
5 Q# K8 {) ^" O: {  ask patches [ set pcolor green ]7 N6 ~: u- a3 H3 D9 O
end
$ A* {, K* M* `to setup-turtles
& {0 o0 Y0 K6 n' z0 a) v( C  create-turtles 1000 `. ]; d+ I& E/ y
  ask turtles [ setxy random-xcor random-ycor ]
4 l; Q$ g; w$ K7 _- `- iend
7 Y' a/ W& j: L  Kto eat-grass- m0 @/ J& l# N. n: l
  ask turtles [
: }) I) Y9 K* m7 |! z    if pcolor = green [
% \# x" c6 W0 y% m      set pcolor black% }4 o9 ^& x  a' V* ?
      set energy (energy + 10)
' n1 ]+ V4 q4 c1 b      ]* B' F2 w) w( ]6 F+ b+ a, n
    ifelse show-energy?- }/ Z( l$ I- n5 A9 ~( b, E
      [ set label energy ]
, z5 A7 x) ~4 `      [ set label "" ]! I! B8 ]8 d/ w3 [; j
    ]1 c0 W6 z) w% V0 @5 V8 j
end
$ F& q5 ^- J. e0 t: t; d% C1 ^to reproduce
+ g- u7 u- E/ E- j4 s" _  ask turtles [
# G6 w" w; z% V6 L    if energy > 50 [; k! b6 L) N9 s0 t. P+ j
      set energy energy - 50
+ F; a2 W  r/ ]0 \) T      hatch 1 [ set energy 50 ]
( f3 C! F3 ~& i; B0 X5 e      ]
4 _4 q( |0 Z' ]1 }+ k    ]
/ ~; E# ]" {: H. Eend
' g, P$ r* h* u  c6 R2 bto check-death
, H- w# S" y1 R0 {. p  ask turtles [
" [6 A3 L# c8 r: O9 P" Y' z    if energy <= 0 [ die ]
2 X5 `  N5 r3 `    ]8 y2 E4 ^6 W4 R* h0 Z
end$ I2 |$ \7 G  [" G
to regrow-grass3 ]. p/ S4 B& T# ]! B5 n
  ask patches [1 W5 ], ?, Y1 j
    if random 100 < 3 [ set pcolor green ]. F3 `# h) [3 R/ h" c: p/ |: z
    ]
4 {% U. n) c8 d- R1 S, d, G% fend  \" _5 q. v4 ^1 u( z4 e' o
to do-plots, W3 p1 v* C  B5 E! o. Q( d
  set-current-plot "Totals"
: D9 `& {" ?6 j1 W# t  set-current-plot-pen "turtles"5 m& W, X6 V9 y  H
  plot count turtles
" Q4 V$ J7 e- U9 D  set-current-plot-pen "grass"
. |7 t. i, w( p  plot count patches with [pcolor = green]5 G, S! u2 n( H+ P+ Z3 U/ n
end. Y: Q3 \) l5 |8 i, Z+ Z; i& i
可是运行时提示no such plot: "Totals"
& x- e! v/ T+ p" Z/ H! ~error while observer running SET-CURRENT-PLOT0 Y0 s( E+ l; n0 O9 \2 ?* C" t6 ?5 T3 H
  called by procedure DO-PLOTS
! n0 ^' [* A& [, k' U' t* x  called by procedure SETUP
- Z6 h" I' X  ?- `. g  called by 按钮 'setup'* X2 A3 _4 `  c( t8 T
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
0 p3 i9 C) D* o! p建一个叫做叫做Totals的绘图框就行了
! f( x4 k8 K" n$ m8 L! l
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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