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我的程序如下：
) y( r" R* R8 x4 t5 Nbreed [dogs dog]
5 @ U% V0 a5 q+ G8 Ubreed [cats cat]5 g, o/ X* I: I# |
breed [cows cow]
9 l) H5 R# y% l! Y0 e& r
9 E1 h* ?' P, X# nto setup
{/ o9 j) y3 }' O clear-all* _% V% r0 T l; P7 x7 s
set-default-shape dogs "dog"2 `8 {% b" x8 Q( Q6 a4 `3 G
set-default-shape cats "cat"
7 c& G3 g+ A4 f, a3 x set-default-shape cows "cow"! T" X% e% n' m) V
ask patch 0 1 [ sprout-dogs 1 ]
- ]: j! E" A# k+ f. P ask patch 0 0 [ sprout-cats 1 ]
3 V+ w3 r( t4 Y" p$ B: m* D8 K ask patch 0 -1 [ sprout-cows 1 ]0 J7 f, i5 U5 T* u5 Q0 a4 d
end! E' c' W4 U# \. k4 h @! X
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$ P* P( H7 ]. s2 u+ ^# o1 }: k& e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：
( g/ G B1 a: i. C8 y) h6 ?error while observer running SET-DEFAULT-SHAPE in procedure SETUP
9 t, y5 M* v; r: O1 u"dog" is not a currently defined turtle shape3 D% F# O2 F# U9 ~6 V& s4 {
(halted running of setup)+ H" u( A0 z! n. n( F& {
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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
