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我的程序如下：4 [: Q H, w1 d4 |) I/ l. i
breed [dogs dog]# h7 p6 M6 h" b2 x2 U
breed [cats cat]
# [, B( I& l L( Nbreed [cows cow]
$ N7 ~2 s+ j e( t7 g0 `/ v) p8 O( y; r: X2 D( I& F+ D8 Z
to setup. Z3 x: V1 H2 I
clear-all: }$ g# p1 f4 P N; @2 i
set-default-shape dogs "dog"
3 t. U2 |+ k) k8 r: v set-default-shape cats "cat"
( d: a& h8 R/ [) T$ \ set-default-shape cows "cow"# c* x: m) z( K; R- o( H
ask patch 0 1 [ sprout-dogs 1 ]
7 i( S2 [- r: e" O8 d; U ask patch 0 0 [ sprout-cats 1 ]
+ e( Z3 P; y: P) i3 ~ ask patch 0 -1 [ sprout-cows 1 ]+ Y5 x* D# d2 |; a
end( i7 m1 a, M, j3 r* G' @6 q
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* ~9 W- p, X( o4 L2 e+ D* i2 L t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：
3 a+ |. f2 V: X! serror while observer running SET-DEFAULT-SHAPE in procedure SETUP4 F. R4 Y! U. }* F' S+ t& q
"dog" is not a currently defined turtle shape
9 g& p, s3 X2 J% T' m7 y(halted running of setup). _) O1 e) Y% d2 L
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! B5 Z0 Q5 y( V! Q1 W5 [0 d4 G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
