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我的程序如下：4 a# J# p9 d! W- I& D N" D6 c
breed [dogs dog] a$ R( u: f/ _; B* a/ }/ f
breed [cats cat]
* h5 U, Q4 H$ Y! j4 Y5 t" Fbreed [cows cow]! }- C j+ a& {9 }) j8 Z* j
' k" N% R+ A) q- v+ ^to setup+ g8 V; c* w: `( B& r! d* {
clear-all* w% K) X* W2 _
set-default-shape dogs "dog"& o* N" L3 I- g/ y" Q
set-default-shape cats "cat"
5 ?' M% P& s0 ^% N set-default-shape cows "cow"
# J' i$ a! O6 O' M( J. N9 U ask patch 0 1 [ sprout-dogs 1 ]
+ z* L: N/ t! N( Q3 ]! I1 Q+ [ ask patch 0 0 [ sprout-cats 1 ]; f+ q) N7 B9 u# X" ]2 U
ask patch 0 -1 [ sprout-cows 1 ]
: b. \8 h3 i) V: ?9 J5 @+ w: fend
+ ~- H% b y w: V0 u, G6 A; s3 Q7 r! L p. h% z" u
8 |( U& r( O% G4 A- E4 g0 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：
: p3 }' V3 S" nerror while observer running SET-DEFAULT-SHAPE in procedure SETUP( W3 X* V# g: ~7 z# l
"dog" is not a currently defined turtle shape
9 a5 L7 n0 e% a; J" w6 q, d4 Z( U(halted running of setup)
5 x* v: ]3 Y% I! m% I2 e
: u9 E# D( M, j, K5 L
4 I- q# R# d& c- j5 `: p- `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
