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我的程序如下：
; Y* d2 E- \ \, w) o$ [breed [dogs dog]1 m! A, c6 [9 n3 U. S. l2 K
breed [cats cat]
9 |; {$ v# R4 l" x5 l# T% Gbreed [cows cow]$ c$ `. D- F1 \/ i, W: f2 s
/ F! g4 k- |" k/ h+ B( zto setup
8 [( ^6 N1 [- V; N _2 ^ clear-all0 T* g, V7 Y% B& M+ {
set-default-shape dogs "dog"
2 A& c$ P* u0 w+ k2 y% @ set-default-shape cats "cat"
0 I6 l; W0 `, l0 ^+ |7 w2 r set-default-shape cows "cow"+ o% R' V: s$ i% h% f3 O
ask patch 0 1 [ sprout-dogs 1 ]% l9 H2 H, Q: H' P
ask patch 0 0 [ sprout-cats 1 ]) V: D, ]4 j5 o2 `
ask patch 0 -1 [ sprout-cows 1 ]
. P1 I4 k* l( E; S9 h* C, Mend7 w! n1 s) ]& Q2 e, o# N+ i
6 e& R ?# o) o9 M+ P# { A7 J; R/ C, T; K3 p
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：
; u- N* W: ^2 b% P' p% n6 terror while observer running SET-DEFAULT-SHAPE in procedure SETUP" d7 n9 E! n& ?8 o& r- k: D5 G3 S% v4 u
"dog" is not a currently defined turtle shape
9 f' S4 n. x; ?# Y4 R+ O: o(halted running of setup)( G. S- K2 I; o! ~
@4 ?" y! `/ u7 D$ O
* G. _5 J/ v3 V; Z U; C2 O8 z9 i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
