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我的程序如下:1 W& c9 G: @) [: [; L8 x* m
breed [dogs dog]
$ ?. }( X* c3 l! N; _/ o0 ?breed [cats cat]
0 [% B& S T( R% U) sbreed [cows cow]
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to setup
2 e+ N' b i4 C clear-all B G) b2 K( W: N* ~. ~
set-default-shape dogs "dog"
4 n6 e$ Q% N9 ]6 L set-default-shape cats "cat"2 U @9 b* r8 g) @
set-default-shape cows "cow"
% ?) l0 r: t$ R/ _8 u ask patch 0 1 [ sprout-dogs 1 ]/ q: I1 M: G4 J2 W
ask patch 0 0 [ sprout-cats 1 ]
8 ^4 s9 p: ?# E) c ask patch 0 -1 [ sprout-cows 1 ]6 ~$ ^, c r# y7 u- g# h
end6 X! i, I! p8 K+ ^7 {
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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:2 V: D4 N1 U: ]4 Y4 Q4 x
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
* h" V# j. b5 _5 R8 A"dog" is not a currently defined turtle shape
! j: P" H U% e: o; W(halted running of setup) q3 ]' U) F' l' L
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, O- t# j: Z# e% Y% Q0 X我用的版本是4.0.4 请大虾们指教下。thanks! |
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