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我的程序如下：
1 R% s8 u) @6 ]! N- D& r. n3 Rbreed [dogs dog]
! H+ k" Q) } [/ X" |breed [cats cat]2 z+ z9 S1 E! c A7 r
breed [cows cow]
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to setup$ s/ P& X( F. S
clear-all
2 A0 r" A0 b$ A( n! N; M2 L set-default-shape dogs "dog"
8 p5 ^2 B+ P$ ?* d1 i set-default-shape cats "cat"
4 m5 p' |. p: j1 Z1 x3 W set-default-shape cows "cow"
0 }5 D, D* H2 m; N' N: M ask patch 0 1 [ sprout-dogs 1 ]8 e" W2 P# f3 F
ask patch 0 0 [ sprout-cats 1 ]$ W( }+ P2 i" l6 v" w
ask patch 0 -1 [ sprout-cows 1 ]' A, P* x( }. {1 J) Y
end
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5 P0 h. q+ w1 l5 Y* o9 c4 M6 ^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：
+ R; d3 t3 s3 b& {- |# q7 Y8 P* j) Eerror while observer running SET-DEFAULT-SHAPE in procedure SETUP- Y" ]4 t1 Y! P4 ?6 ^% z& {5 f
"dog" is not a currently defined turtle shape- Z1 c( b; f% s$ q1 A z2 M/ b
(halted running of setup)) V3 g; O1 @; e1 h
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5 G$ i3 \2 }) ?' P/ B1 S/ @4 t
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
