自学中文手册时遇到了问题，求高手解答

newlove

我编的程序如下turtles-own [energy]
4 ?" L. z$ {1 u; m5 Zto setup
  clear-all
  setup-patches
  create-turtles 100
  do-plots
  ask turtles [ setxy random-xcor random-ycor ]
end
8 Q! U7 d8 A! Y/ J/ xto go
  move-turtles
3 e* `+ p+ K* U  eat-grass
7 y' U" I- h  n0 b  reproduce
# t+ |+ _: g! @. `8 S* C5 n  check-death
  regrow-grass
. A: A# C7 }" r  do-plots
end
) |, h+ }' g& W: I. ^$ T+ gto move-turtles
+ F! r9 I* f5 ^  ask turtles [
    right random 360
    forward 1
    set energy energy - 1
    ]
end
to setup-patches
  ask patches [ set pcolor green ]
end
1 E' X: c" L  n, e) E1 N1 x' }to setup-turtles
2 T: q( p2 V! d3 w0 P8 L7 U( {  create-turtles 100
  ask turtles [ setxy random-xcor random-ycor ]
end
( z4 o2 ]/ V+ ato eat-grass
" h; m5 d/ o/ C) S6 r7 x% |* G  ask turtles [
    if pcolor = green [
      set pcolor black
      set energy (energy + 10)
      ]
) ?1 W9 x1 s* v    ifelse show-energy?
- M4 B( q5 ^# D$ R7 @      [ set label energy ]
2 q* a( V8 A& s" u  n/ w4 A5 q4 q, I      [ set label "" ]
    ]
& a3 J1 i! t* `& u$ D# ?end
to reproduce
2 J7 `) U' [) ?0 v. ]8 M( |  ask turtles [
    if energy > 50 [
2 W) T4 Y+ e+ u9 Q      set energy energy - 50
      hatch 1 [ set energy 50 ]
+ Q# ]5 F8 w" n$ B' r6 e  a      ]
    ]
/ ^+ ~6 J% O% zend
" W1 U4 |/ X( Z1 {) }- q/ Rto check-death
  ask turtles [
    if energy <= 0 [ die ]
    ]
end
5 V, {; H- C7 ?& a4 \  ^to regrow-grass
  ask patches [
    if random 100 < 3 [ set pcolor green ]
' A2 h! f6 H+ l: N3 ~; a  R    ]
end
to do-plots
, ~' L6 {1 }9 V8 F# M  set-current-plot "Totals"
5 s/ Q" z& i& k2 ~  set-current-plot-pen "turtles"
  plot count turtles
  set-current-plot-pen "grass"
  plot count patches with [pcolor = green]
end
- G3 }" y2 r) t5 M可是运行时提示no such plot: "Totals"
error while observer running SET-CURRENT-PLOT
( o$ b, D5 `7 F7 Z, B2 a5 h  called by procedure DO-PLOTS
. d9 w% l+ U0 F  called by procedure SETUP
# P4 `  w6 ^& t3 V2 m  called by 按钮 'setup'
# A: }6 T% q, r, o* N7 t求大神解答啊

emlyn

no such plot: "Totals"，就是说你的界面里没有叫做Totals的绘图框

emlyn

建一个叫做叫做Totals的绘图框就行了

newlove

emlyn 发表于 2013-5-29 00:26
建一个叫做叫做Totals的绘图框就行了

哦，知道了，虽然自己应经找到问题了，不过还是谢谢哈

pichan

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。