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我的程序如下：
- ~7 X/ H: _1 L- M2 W1 Zbreed [dogs dog]8 g- I( J, `6 }2 A9 L+ n$ o5 H2 C
breed [cats cat]/ s7 H& u1 w7 I5 a0 t2 W& ?2 x
breed [cows cow]0 D5 C" y# a% a
( w' A# {+ ?; Q7 D/ `to setup, z! R- P7 R6 x t! C ?
clear-all, a2 G" B# X: m
set-default-shape dogs "dog"
3 ?. {1 t" r& d set-default-shape cats "cat"
c! I }; B6 `( s2 W: i$ U. a set-default-shape cows "cow"
& `+ S& \/ X* O; r4 b# t L- ? ask patch 0 1 [ sprout-dogs 1 ]! L7 i( b3 r* u5 `2 s
ask patch 0 0 [ sprout-cats 1 ]
1 L K5 M$ m5 s N ask patch 0 -1 [ sprout-cows 1 ]
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4 }0 G, d( x o- S2 u7 d" X5 }( ^, ]
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：
7 J1 s4 f" m. [6 H; ferror while observer running SET-DEFAULT-SHAPE in procedure SETUP
* L) X0 I$ k3 o9 v/ N& M4 G3 A"dog" is not a currently defined turtle shape3 ~7 I' C( O4 ^" B7 s9 j
(halted running of setup); |, C' g& x7 ?! q9 U- p- n
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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
