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我的程序如下：4 K- w8 i1 q& t! H# l+ t' g
breed [dogs dog]$ z+ M* x8 b( I) `8 J
breed [cats cat]9 O3 J( W' z9 J2 M7 j
breed [cows cow]5 f- o( `: R" K
; S8 i/ j7 T& g9 oto setup6 k) t6 Q9 X5 t% S5 [
clear-all
4 P1 l7 I1 L4 V4 K& F: H. t set-default-shape dogs "dog"/ c% E# i0 M& Y) J( A
set-default-shape cats "cat"9 K! v( E3 `4 T: x' S
set-default-shape cows "cow": H+ ]0 w" ?. e- l$ D
ask patch 0 1 [ sprout-dogs 1 ]& V, B6 m8 Q6 F0 y
ask patch 0 0 [ sprout-cats 1 ]
: Y9 Q M6 Q; f% @ ask patch 0 -1 [ sprout-cows 1 ]
# r: v$ {, Z8 x" o# A! mend
+ B) }3 P* D$ t, A$ e: B
+ z# K9 I' s, z) Q2 l) P1 m8 e
1 |( ?0 p# ^* Q+ U6 Z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：
+ W7 {5 |) ^7 B% U6 ferror while observer running SET-DEFAULT-SHAPE in procedure SETUP
8 B& O. c: y3 j4 ~"dog" is not a currently defined turtle shape
+ z4 b6 _7 T1 b- j9 }4 G5 \' O(halted running of setup)5 l& V* G" G( V. ?1 ]% J" Z* L
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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
