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我的程序如下：
4 X) f5 ?" g# V2 \breed [dogs dog]: A, }- N8 g7 w1 R; U% D
breed [cats cat]# x8 d1 F- B% m2 l! U( R
breed [cows cow]* b- l# }: x0 x" D7 Q( E1 A
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to setup
; U! i3 c; C4 h+ g/ J, i clear-all
3 r* b- Z! C e: U, @ set-default-shape dogs "dog"
6 D0 Z; L% Q1 A/ X7 r& ]& q- ] set-default-shape cats "cat"' |( ?! X3 P2 u- @8 S: T' g' z8 K
set-default-shape cows "cow"% u1 K5 S& \( x7 K9 n! s0 P8 _
ask patch 0 1 [ sprout-dogs 1 ]
' K$ G6 a' ]* T# Y5 a ask patch 0 0 [ sprout-cats 1 ]
( V/ A) V, D. v# [1 r ask patch 0 -1 [ sprout-cows 1 ]
% U, G9 D# {+ C5 Lend
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3 v3 o4 [6 C2 R) j+ U8 s2 g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：0 m( e5 H; p* l
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
( f0 z6 U$ X! m( V; u( [1 g" b4 Y"dog" is not a currently defined turtle shape
" s) G- I! c* M(halted running of setup)" O' w5 e; J& {) R' U1 N* b3 D
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; @- V; O* Z, }6 @/ R# 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
