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我的程序如下：; k5 R& a/ b6 ]. b
breed [dogs dog]+ ?( X& B0 b I* {& f$ u) B% m: \; |
breed [cats cat]- r6 ]+ c$ \9 }
breed [cows cow]- j( S+ M8 W5 M& c/ v ~5 u" S6 j4 _; J
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to setup0 E7 I4 O! w" F& K; k9 u
clear-all. I6 N+ W6 P6 l7 I8 u3 R
set-default-shape dogs "dog"
; o$ N/ f8 S# l8 d8 _: w set-default-shape cats "cat"
. s& {& p7 K6 d* g( q+ { set-default-shape cows "cow". T( t/ @+ X Q9 [/ E
ask patch 0 1 [ sprout-dogs 1 ]
- @/ z/ N9 x, ?3 O ask patch 0 0 [ sprout-cats 1 ]
# u) e) U& k& j2 s6 g- Z ask patch 0 -1 [ sprout-cows 1 ]
* U' s. {1 q6 }/ Y* y" G/ [end
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( u9 g! C' V2 a; p( |: M7 J这个是netlogo自带模型库里的模型中的程序，我新建文件再将其输入却提示错误：
* F) c7 o# Z' R# U' m/ `9 ^( o8 Ierror while observer running SET-DEFAULT-SHAPE in procedure SETUP0 g0 E3 @4 h# [+ f6 Z, ~
"dog" is not a currently defined turtle shape }! _8 {% |4 I& ~' P% s+ I
(halted running of setup)2 K; A6 E" t! U
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0 |2 m/ h' A( q6 g我用的版本是4.0.4 请大虾们指教下。thanks！ |
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发表于 2009-11-18 10:33:10
