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[求助] repast s 建模中遇到的网络结构的问题

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发表于 2011-8-14 15:50:58 | 显示全部楼层 |阅读模式
最近在用repast s 建模做供应链管理的问题,对于repast s 中网络结构的使用很不了解
8 Z% P6 Z  J! v0 X' C7 \1 K写完代码之后编译出现错误,应该是显示方面的错误,我实在弄不懂
- t- b% x, Q* C: r: a
, F* c0 @8 c' _- E; }有没有哪位牛人帮我看看错误,或者给我个适用network结构的demo让我学习下* q. i6 i) s0 K- {# E  D

" I/ D2 f# C1 E; K# l3 b3 S( ?感谢感谢
! \/ {9 S; Q& I5 m8 y错误如下:( l9 V1 K# k) I, A. b4 W

) E/ G  ?7 L2 b# T' lException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
4 }1 Z- P: e2 O' M# [. L        at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271). `' @- ^) T/ B: C
        at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)
/ v; J% R  B* c, L5 q! W        at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)" u9 N  c# }0 u6 y& u% D
        at saf.v3d.Canvas2D.update(Canvas2D.java:113)
" G* b! g- {2 E! x! f+ H- A        at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
. P) Z2 ?0 [0 W9 s3 q        at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)8 o) c% C2 z1 W! T& p; q3 q
        at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
' n( H4 o* ~: s2 R: x% p7 Q8 \% t3 o        at java.lang.Thread.run(Unknown Source)
# b4 h- x: P6 C- a1 Z: HCaused by: java.lang.NullPointerException' S  d& D3 M, M" v: g" F
        at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)8 `7 A( }- E2 l0 W. R& o
        at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
6 Q  O5 o8 H6 u% j        at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)7 Z9 I9 L3 ~# a+ m& b* V  b: t) c
        at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)
( g  H  T* d5 r/ _. O8 E% P' q$ [        at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)) c$ R5 K# u. X  G9 u
        at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)" T# q6 J, W1 L0 z* X
        at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)
! ?  p( }$ |6 ?$ T) }, @        at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
( g- C, e6 d$ D' Y6 g% t; @  j        at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)9 W% ^  l; {8 W) u
        at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)* m8 H, W* U  D, s- I' J
        at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
* `8 D/ T8 U& R. ]: f        at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
4 M  O  C& O! t2 W/ C0 |2 O. K' F        at java.awt.event.InvocationEvent.dispatch(Unknown Source)
  q/ H. s7 S$ \+ T        at java.awt.EventQueue.dispatchEvent(Unknown Source)7 G/ d) ~+ t( |: v
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)5 R# a% ^5 w" ^% F/ J9 `5 }
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)4 H9 l* y- T8 v, S2 ]2 x" Z
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
5 u3 u! `6 D% m  o7 p6 a- u        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
3 G* ~1 d! z- m! r  D7 o        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)+ h  i# i1 g' }& ?& E
        at java.awt.EventDispatchThread.run(Unknown Source)
发表于 2012-10-12 17:42:55 | 显示全部楼层
源代码贴上来看一下
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