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我的程序如下：- g$ w) g' k5 K6 F* _: g
breed [dogs dog]' X3 ~4 e) L- R
breed [cats cat]2 J8 _% H k5 M9 n0 x
breed [cows cow]7 U& k- X' z- x v, E [! A; t/ s7 p
. Z2 }( J/ Q; @' }( nto setup
& ~7 }( I6 M0 t2 h4 j clear-all
1 s5 t# R& Q3 B u" t8 b3 m0 [ set-default-shape dogs "dog"9 O6 T, R9 D$ y! F6 l: m
set-default-shape cats "cat") E) S: ~! k. R* Q9 [% E' S/ N2 P
set-default-shape cows "cow"7 u2 H7 _; e& J f
ask patch 0 1 [ sprout-dogs 1 ]0 s5 N. Y# Y5 |! ?- j- Z9 i) k& Q) h
ask patch 0 0 [ sprout-cats 1 ]
. P% T+ S4 L9 {) L" i ask patch 0 -1 [ sprout-cows 1 ]
K8 _6 E& L& Jend0 ~7 N- X: |( n: K* W! V
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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：
, |0 d" Q3 C# Qerror while observer running SET-DEFAULT-SHAPE in procedure SETUP" u5 j- u, h4 f
"dog" is not a currently defined turtle shape
# P% I% s, z2 I& o(halted running of setup)
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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
