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我的程序如下：/ [. c' |2 Q* n5 ]/ c2 \' b' x% C
breed [dogs dog]( P3 g, X( g* {: t( Q. e
breed [cats cat]+ A( n; U& Z9 j' `9 t3 o: @
breed [cows cow]
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2 q; ^5 L" J8 t- U3 Wto setup
7 O3 u' N' N& Y' ?. V. j clear-all
# P' G& d, S* A set-default-shape dogs "dog": B# U% b; y2 s; H/ F7 [! P
set-default-shape cats "cat"7 H* U5 Y# e6 ^5 c( x
set-default-shape cows "cow"
1 N, I& Z& U* s! x- U B3 l5 ? ask patch 0 1 [ sprout-dogs 1 ]9 g+ G* a% x/ U2 C
ask patch 0 0 [ sprout-cats 1 ]
5 K) ~0 z9 z4 g" c$ s ask patch 0 -1 [ sprout-cows 1 ]
# E) D0 Z9 h7 Gend, \& `6 i# f1 w7 O
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/ l5 r1 l4 V b$ @$ Y' f7 Z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：" \7 E' i( f8 `/ ^! ~
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
! T9 Y5 N- A" p7 a6 m5 h9 ] Y" O"dog" is not a currently defined turtle shape7 p+ P: ~2 h2 x0 H: h! o
(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
