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我的程序如下:4 M( Q; k, u6 {9 j, }. C
breed [dogs dog]0 W" R: V$ i/ M* W
breed [cats cat]2 _% [( |7 d* h: G0 K+ n# l+ y
breed [cows cow]+ Q: X! K* V8 e) n: k+ s
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to setup6 I: E& o. h7 G# d' [3 D6 a
clear-all8 w& y1 k1 M" A/ Q
set-default-shape dogs "dog"6 o) L3 Y/ Q5 n5 }1 n' E& m* R
set-default-shape cats "cat"( H4 S: R# N! i) o/ X, d. q
set-default-shape cows "cow"! \( f! z' |# w6 K2 l1 P0 W
ask patch 0 1 [ sprout-dogs 1 ]- s# w4 ^- X* a9 ?
ask patch 0 0 [ sprout-cats 1 ]& C* E j/ ]* c- H/ m
ask patch 0 -1 [ sprout-cows 1 ]& o5 ?: x- @8 ^/ E+ b0 x
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:+ W0 O; k5 v* M
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
3 C+ g6 R& R9 \; @" I"dog" is not a currently defined turtle shape5 E- d3 E/ J& t2 n$ i7 c
(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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