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我的程序如下：
# V8 A4 _% i( y4 D4 H+ C9 cbreed [dogs dog]8 [) ]5 N1 I. k& G8 X, s7 S
breed [cats cat]0 i7 |3 S& v; a4 c
breed [cows cow]
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( [6 C. M+ m l8 ?6 G9 @! Hto setup
" }6 Y3 z4 T" m+ H0 i% y6 }6 j clear-all9 Y- J. `& \" J
set-default-shape dogs "dog"
& w" l" [( G8 R3 k set-default-shape cats "cat": l ?- k' K$ I
set-default-shape cows "cow"
4 p: ~5 S7 u% C) |) \ ask patch 0 1 [ sprout-dogs 1 ]8 x0 I9 A- Z2 k2 E/ P
ask patch 0 0 [ sprout-cats 1 ]# N3 h. v6 Q) @$ ~! `7 }7 N) q
ask patch 0 -1 [ sprout-cows 1 ]
7 P) ?% t. U% T: J: xend! y- M6 g, ?9 a& F$ i- Q
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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：+ }$ ~8 A: D3 {
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
! b6 Q1 ?7 X+ n3 g* Y"dog" is not a currently defined turtle shape
$ `$ E5 F, B) q: Y5 }1 c9 u(halted running of setup)
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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
