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我的程序如下：# S' u) H; q! l% q ^& O
breed [dogs dog] |4 Y! X) p% ~8 k
breed [cats cat]
7 h; O4 C: L8 P u6 T* }& Z7 q2 \- w* A% Ubreed [cows cow]
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to setup
8 B3 F- x5 I9 X! I clear-all
0 p6 n! g6 ~2 O' j set-default-shape dogs "dog") G' \+ g$ {% ^( p9 H4 B& h# z
set-default-shape cats "cat") K1 L8 v3 B5 D4 K3 ~0 S
set-default-shape cows "cow"7 a: S- A1 q9 z, r3 \5 p
ask patch 0 1 [ sprout-dogs 1 ]
9 a2 F) `& }" d5 H4 M ask patch 0 0 [ sprout-cats 1 ]; A% G5 y1 @5 d* D
ask patch 0 -1 [ sprout-cows 1 ]1 y8 C& \7 U. l: G, `: E: M+ `" j7 U
end
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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：* L$ H3 j" z* Q+ c
error while observer running SET-DEFAULT-SHAPE in procedure SETUP$ K# b# r% @1 |# {
"dog" is not a currently defined turtle shape! C( u7 E# S* o3 `6 a) [* t* q
(halted running of setup)
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9 G b3 t8 }& m6 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
