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我的程序如下：
! Y; q! _- }- Z8 x) c9 Rbreed [dogs dog]. k5 t: j4 ^+ M5 y# F k; j
breed [cats cat]- n R+ v5 K1 F) |3 ^* h: S6 ?
breed [cows cow]: V4 B% e8 ?1 x$ e6 i! B; J
+ q9 o- S7 Y9 P2 G% @
to setup8 f d) n) b9 C1 R. r x1 G) T! b
clear-all/ G8 D. Z, ~( {$ a
set-default-shape dogs "dog"
( h5 F6 s( f! s1 ] set-default-shape cats "cat"
4 ^# d Z, Q) z8 S* [# j* V! D8 o set-default-shape cows "cow"
! f. q% h( W& p2 _' l/ m ask patch 0 1 [ sprout-dogs 1 ]& g3 }1 V0 |' r, x
ask patch 0 0 [ sprout-cats 1 ]% S6 ^) K7 Y6 Y/ _2 S
ask patch 0 -1 [ sprout-cows 1 ]( g+ w3 M- |& c; L. T( _
end+ ~1 Y- B1 |8 b3 f
6 w' A9 Q% Z( c! ^0 Q% {6 b
+ ?# R) v: P' h$ B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：
. l! D% p! L% \7 T/ b1 [5 terror while observer running SET-DEFAULT-SHAPE in procedure SETUP, y! }: e) D8 }- y) M1 p
"dog" is not a currently defined turtle shape, ]' D( ~% G2 J7 i# J- ^, ]# N% Q
(halted running of setup)& B: ~% C- o: D
8 k5 ~3 [) n8 O3 M8 @/ n; j! Q
8 J7 v4 l/ r% _9 X; ~( W+ 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
