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我的程序如下：* _ v) Z- q0 ?
breed [dogs dog]
5 F$ F2 }7 w9 v9 M0 O- x# cbreed [cats cat], v, _* H" ~7 D* z
breed [cows cow]2 g$ q% V" E% H8 T- e
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to setup
% W0 P5 Z* z; G6 x" `; |7 @ clear-all9 |5 M8 A/ P( E) J5 ^0 @$ T3 A ]
set-default-shape dogs "dog"
/ b O h r+ t6 y |3 X set-default-shape cats "cat"
8 f9 o+ x1 x3 n. o9 j; h* ] set-default-shape cows "cow"
% p; F; X3 j3 F1 T ask patch 0 1 [ sprout-dogs 1 ]0 Z7 W" r# { W6 V' }% p
ask patch 0 0 [ sprout-cats 1 ]
h/ D' g2 h$ _5 H1 f ask patch 0 -1 [ sprout-cows 1 ]
& U+ h8 E- a2 s' Rend
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$ {5 c5 I2 f% p) C/ l1 u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：
4 Q! g" i$ G+ Y9 s/ `" m0 }error while observer running SET-DEFAULT-SHAPE in procedure SETUP0 o' s+ ?' d- s3 X# O, A
"dog" is not a currently defined turtle shape8 Y4 V {" c a" Q% o3 ~
(halted running of setup)
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7 B; N# v6 n# w5 C& l4 r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
