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我的程序如下：
# h5 T. J1 o+ e: k' u( bbreed [dogs dog]
' e: V: z" f/ _1 w! V! a1 Tbreed [cats cat]7 w) h# j6 {- L4 A' t/ @
breed [cows cow]
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to setup5 H% o* o# j y1 J: Y
clear-all
$ _$ Q' Y$ Z M, A5 s# l set-default-shape dogs "dog"
# S J0 y, D" ]3 H* M' \+ D set-default-shape cats "cat") L, K6 k: v& H" x6 `
set-default-shape cows "cow"2 ?3 R& g$ w5 c7 r; P) G2 U6 }
ask patch 0 1 [ sprout-dogs 1 ]1 _0 {% @0 @( K- Z1 X( L1 b
ask patch 0 0 [ sprout-cats 1 ]0 y1 {$ R# w1 r! [) |, J1 f
ask patch 0 -1 [ sprout-cows 1 ]9 Q A- J+ R p( x9 P7 q( s3 G
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：
! m1 n6 b- e, t4 ?# `8 `: verror while observer running SET-DEFAULT-SHAPE in procedure SETUP5 x+ s! M: L0 F9 b
"dog" is not a currently defined turtle shape
7 c' J- a7 s, K1 [; {4 O(halted running of setup)
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. Q, \) \% K- u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
