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我的程序如下：% k: w: d7 \2 G
breed [dogs dog]0 t2 Y+ `# @* ^' m; P+ V" \
breed [cats cat]
. p& Y# [# }: v& ubreed [cows cow]0 O7 B, i9 @3 H" y* l. x: r" Y
% ]# j( V) ^4 w
to setup
7 `; {; y% J" X, \1 z& \ clear-all
% O, ^5 g" J/ L5 V set-default-shape dogs "dog"
$ r8 B/ w: b' ?% w. [ set-default-shape cats "cat"7 K( m. [% r1 Q% ~
set-default-shape cows "cow": D9 G' Q& B* e3 X2 ^" ~
ask patch 0 1 [ sprout-dogs 1 ]
+ x% r% @1 Y' i2 _- m6 N ask patch 0 0 [ sprout-cats 1 ]* Y. P: y! e: @+ g
ask patch 0 -1 [ sprout-cows 1 ]
% F" a9 I( Y, k$ dend
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4 ~& ]" b/ T5 i2 H# x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：( M/ V) s7 @3 g
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
- f7 o1 l# K8 R5 t$ q"dog" is not a currently defined turtle shape
! N! e+ Z6 Y" p, E" ~( ^(halted running of setup)7 k$ o( \3 h. Q$ a; W
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& ?2 V7 b+ I7 r8 n7 p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
