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我的程序如下：
$ e, L7 s: y& m: K8 c7 Mbreed [dogs dog]% P+ n, m& w3 h, E
breed [cats cat]3 }3 ?/ z" ^) @: p( U9 Y4 R! o
breed [cows cow]
+ D2 {, a: P3 L- M$ [% x5 A @) h, s, q4 S/ @ n
to setup( Z& V% b# m( S$ q- h# a8 n ^% K! a
clear-all
* W9 d+ J, [6 b6 ]) t set-default-shape dogs "dog"
$ U1 J2 i4 j6 T. \( r8 H/ m set-default-shape cats "cat"
6 X9 q* m4 f' x2 H set-default-shape cows "cow"
1 s% Y6 _8 c/ \% L* a$ F ` ask patch 0 1 [ sprout-dogs 1 ]
1 A- n/ x& g; \, b# o5 u ask patch 0 0 [ sprout-cats 1 ]
; S1 O" n- C# ^2 _* x( ^" l# y6 U ask patch 0 -1 [ sprout-cows 1 ]
; d7 ^$ j1 d1 M; j5 Qend) X& j1 E" L6 [
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) @7 C: U6 J; q, k0 L5 |- b4 r
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：5 m4 V8 r/ [) C- ~! y9 [
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
2 ^* U: N% Q% g0 }4 g$ `"dog" is not a currently defined turtle shape
% A+ X8 |& q! q7 p(halted running of setup)
2 p" r( j, F/ F! r$ N8 b H8 W; {( P% N$ \
( w. J2 n8 x' ?
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
