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我的程序如下：8 m3 a- x7 r0 U. L
breed [dogs dog]9 B- v7 z! M' [
breed [cats cat]
" f4 U" l+ f6 X; K' Ybreed [cows cow]
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to setup
! R$ Y6 s5 r! H7 I/ `, |( d3 S8 A+ q clear-all
. u+ i6 r: _8 W/ X set-default-shape dogs "dog"
1 {5 ?* a) ^1 Q" V set-default-shape cats "cat"
K0 ^& o' O: G6 [- c set-default-shape cows "cow", P0 u6 t% ~: z: _9 d' P
ask patch 0 1 [ sprout-dogs 1 ]. V6 ?; x+ p" Q
ask patch 0 0 [ sprout-cats 1 ]" \& x( d5 z3 ~2 l, `
ask patch 0 -1 [ sprout-cows 1 ]
/ V9 z4 y- `5 F0 V; `1 `+ ]end2 S- ?0 |: r" s$ x
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( Q. s6 _5 V, z% G* m, Y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：
% K4 ^9 M% b+ m5 U% derror while observer running SET-DEFAULT-SHAPE in procedure SETUP, c a1 Y7 G! l( H- i) t
"dog" is not a currently defined turtle shape, A" Y. [8 I' P& a: @9 n
(halted running of setup)( G; H5 r7 @4 o, \! H0 M4 J
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; Y3 y' Q( J, ~ 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
