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我的程序如下：( F H! j9 n+ T3 I% `1 U$ g
breed [dogs dog]
! p5 t: |4 V6 r# Xbreed [cats cat]
0 s: j* s# {: V! r9 A- S7 `0 Mbreed [cows cow]- E* A: _5 p3 }! L
9 `8 _7 ?& l. ]) @/ o: K6 }
to setup5 T7 L2 s$ ^% @3 Q: l! C! H0 p
clear-all
$ T) U+ L* L8 d. G6 l) L" T: ] set-default-shape dogs "dog"
% _8 q# v+ I" u set-default-shape cats "cat"
3 L# ?; u) Q% ^: [" C& ]* D U" T set-default-shape cows "cow"
+ B; ]# {0 k4 M0 ]% ^. U1 |2 ^ ask patch 0 1 [ sprout-dogs 1 ]5 V: U( A- X3 c6 f$ o+ ~5 r
ask patch 0 0 [ sprout-cats 1 ]; m! F7 @5 N0 x" D, H2 @7 ^6 y) y
ask patch 0 -1 [ sprout-cows 1 ]
/ z9 ^6 p$ y/ `( P' xend
- W4 f/ @2 ~) J3 {( |: S4 i
3 A/ }! }$ r/ ]9 h& Q7 G7 d; z/ n/ A: k b2 A
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：
8 Z( T$ u: T7 C- ~, Uerror while observer running SET-DEFAULT-SHAPE in procedure SETUP
+ k4 J& | z6 \, s- j"dog" is not a currently defined turtle shape
) H/ d) d. D$ A(halted running of setup)% O, S- ]! s o6 K' h$ ~2 z# ^2 A) b! [
- f7 _: j) h6 C W' o! h6 {& m% e2 n- n* W1 @6 j- E) |* V
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
