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我的程序如下:
8 ~5 f& B: P8 T4 gbreed [dogs dog]
1 A4 h" Y! }$ f$ V5 U! E9 V+ Ybreed [cats cat]! A( q8 i" d- z; {4 F
breed [cows cow]
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to setup
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set-default-shape dogs "dog"
$ J E: `# _/ V) ?- q) Y set-default-shape cats "cat"* U* p J4 h. l
set-default-shape cows "cow"
) w9 W, Y! o3 A7 C. H ask patch 0 1 [ sprout-dogs 1 ]
) u+ Q) f2 o5 i p l/ w ask patch 0 0 [ sprout-cats 1 ]
t' Z' t( O- R; M. Q8 ~* G) S ask patch 0 -1 [ sprout-cows 1 ]0 _0 g4 j0 a a2 {
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:; y! Z" M' I" n& ~
error while observer running SET-DEFAULT-SHAPE in procedure SETUP; _* P* r/ k! J' T
"dog" is not a currently defined turtle shape
& U3 l6 _( ^, S( ?0 Q# M(halted running of setup)8 [. K- Z0 z) k5 A2 q0 q
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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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