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我的程序如下：
. a3 @- r5 I) Q, x3 C* obreed [dogs dog]
6 L: b( v1 V! b4 V0 L6 a3 zbreed [cats cat]) M' x. b4 B- `( G# `$ M
breed [cows cow]; `. O: h, [# o2 v
/ A! G. O3 p2 w% Dto setup
0 h2 u* c& L+ V$ \! k* Z7 L6 J clear-all
! k# t% | q% W5 k+ X0 I3 b4 E# b: P9 N set-default-shape dogs "dog"7 C& g1 v% A& ~' Y6 I
set-default-shape cats "cat"
2 B3 l& C! g; r3 J3 ` set-default-shape cows "cow"
; {0 ^" _( N0 |7 F/ {$ E ask patch 0 1 [ sprout-dogs 1 ]
# i1 H% X: ]% c j1 h# ? ask patch 0 0 [ sprout-cats 1 ]
1 G9 z; {' m- R" r( Q) y' S ask patch 0 -1 [ sprout-cows 1 ]) \' G( U8 @0 r% m0 C1 A5 t
end
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( R$ n5 l* P6 S0 f3 l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：
2 Q% a. E" f- U$ j( M0 Verror while observer running SET-DEFAULT-SHAPE in procedure SETUP
; D% F5 _$ O# ]; w"dog" is not a currently defined turtle shape* X' I; L0 J5 x/ M5 ], [. V
(halted running of setup)
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9 C) {4 h. h1 [( l1 @2 i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
