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我的程序如下：
# L) Z: P* A3 f2 U$ _breed [dogs dog]
1 V8 U1 C; u/ M& G0 nbreed [cats cat]2 U8 O+ B" N8 ~! z5 _0 l
breed [cows cow]$ L9 W" O( A$ ]2 `4 l2 ?6 t
9 y& q7 {: B& {( i$ o9 ]to setup
6 L8 X$ C) x6 W clear-all# a6 `+ ^! Y& I ]* y# p0 U( h3 j8 F
set-default-shape dogs "dog"9 q) C, w$ r& V1 [' Z A0 B8 \. v
set-default-shape cats "cat"" @4 M5 J2 H* H$ W& d' G: v5 e" s
set-default-shape cows "cow"+ P7 a9 m% Y0 Y9 ?/ C, Q$ n
ask patch 0 1 [ sprout-dogs 1 ]5 }9 g u! W' A
ask patch 0 0 [ sprout-cats 1 ]
1 M' g3 d x9 D% n1 l4 _& u, i ask patch 0 -1 [ sprout-cows 1 ]
3 I# G) |. n" R1 i+ rend
. [- K5 Y8 f! ]' m
+ |) F/ {% Y$ a% B5 ?; Y
7 O1 B" \# o9 ?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+ N% Y% X. d
error while observer running SET-DEFAULT-SHAPE in procedure SETUP& u. @, L4 T3 u: G, v" p
"dog" is not a currently defined turtle shape
1 E) s7 c: ^" m7 v% G(halted running of setup)) f& Z: Y5 q. W2 f3 } R* L
/ c/ ^( e8 P m! h9 K; z$ F- H/ p: @ w, J; }3 s* H; \
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
