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我的程序如下：
. w6 T* W7 D9 [, s7 x8 D- hbreed [dogs dog]" H6 l- ]8 g1 e. g+ ]
breed [cats cat]
9 Y0 @$ d9 ]% z' X7 xbreed [cows cow]' W# Q {+ }0 M T3 t& \- z6 D6 @
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to setup% w. L: N6 L2 k
clear-all. ~; ], k2 W) W
set-default-shape dogs "dog"
- m8 ?. m& {5 C0 \( e1 ~ set-default-shape cats "cat"* [" A! ^2 M7 ^
set-default-shape cows "cow"
- y) j! n7 b5 y/ A/ o# A- J2 ` ask patch 0 1 [ sprout-dogs 1 ]- a1 ?# A v, c+ u
ask patch 0 0 [ sprout-cats 1 ]
- M9 r, Q3 P- A( H( c( x ask patch 0 -1 [ sprout-cows 1 ]! p6 v7 k3 k2 T% v5 B& m5 x; q
end
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2 o" j; |2 Y' J( |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 S$ i+ M, _/ [+ l' Zerror while observer running SET-DEFAULT-SHAPE in procedure SETUP
" T% d/ N2 O# h, E! r6 l# X) ?"dog" is not a currently defined turtle shape! Y' O7 z: U$ i0 R2 I
(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
