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我的程序如下:& d7 ^+ u$ E/ t% R
breed [dogs dog]
! _5 j* f. X: H8 E- qbreed [cats cat]
2 E) A3 V$ D6 ]+ [: A0 J4 s& @+ hbreed [cows cow]
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to setup
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set-default-shape dogs "dog"
; k2 {1 y- ~3 F1 l% L set-default-shape cats "cat"
' @ a5 s8 h6 R set-default-shape cows "cow"
# p* N& N) Z! J; e* H1 j ask patch 0 1 [ sprout-dogs 1 ]
9 l2 C. t/ _' V! |; J) n& z ask patch 0 0 [ sprout-cats 1 ]
! X( |* |" x- T" K3 T7 I ask patch 0 -1 [ sprout-cows 1 ]
/ j( i6 x9 s$ F- u! O+ d. c+ ^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:, C$ C: C. W: u" Q8 v4 S
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
& L( V0 q* r4 E0 h: F"dog" is not a currently defined turtle shape
4 M7 z: Y d6 W$ e6 k(halted running of setup)# k$ T7 P1 b; k2 P- E b0 W& z- h7 w
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$ O# }* e. J, m! }; M5 l我用的版本是4.0.4 请大虾们指教下。thanks! |
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