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我的程序如下：
$ o2 h5 M. Y* |5 [! ~9 z( c, ^! ibreed [dogs dog]
8 \6 i1 a" w" t$ C) obreed [cats cat]$ c; c3 E+ P# X/ U9 J- m8 H1 h
breed [cows cow]
# C. r& x6 A3 ^, F# ]& h, P; _* S, M2 V1 {# L2 O' S; ~
to setup& a6 D- X3 B6 M7 |
clear-all( T+ S- j7 o) K: ~. k$ J
set-default-shape dogs "dog"
, s" n& @* u! W6 a set-default-shape cats "cat"
: x l$ y6 x& R set-default-shape cows "cow"' m z) ]1 _, D5 D( b
ask patch 0 1 [ sprout-dogs 1 ]
! }& O6 {; r% l b7 w$ C: ~7 Y ask patch 0 0 [ sprout-cats 1 ]. B: m' s0 u) {' A# c; E
ask patch 0 -1 [ sprout-cows 1 ]
1 d; A/ n+ O, [. Jend
; W k0 y# n% H7 q w E7 Z& N, M: R5 O# {+ a
. Q8 m" ]' J2 V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：
6 ]8 v' ?9 M+ r% kerror while observer running SET-DEFAULT-SHAPE in procedure SETUP
" C3 ] r7 \% Z, F) n ~"dog" is not a currently defined turtle shape; a+ i1 j9 G8 w% Z' M. B. j% e
(halted running of setup)8 x' v; S6 i0 B4 k! Y0 V
. v! e' r* r9 z% J
9 k& j& ?! C1 C* J9 ?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
