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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
# ~% B" r/ V- y% R, n2 u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
% P, J2 y1 r# o6 j
0 S5 d. Z! L, a; t: V+ p  o0 L" J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1 X) W! }, x/ {7 @8 x- W/ y
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感谢感谢/ u5 x, r- Y' _% ?! b# r5 s
错误如下:  y) G+ ~# j( A( Q9 n1 Z! r' i8 y
" z; f" A% m. h5 y8 r/ @) c& {0 Q  U* y
Exception in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
# T6 t2 o0 |. ?1 k5 c4 m# R8 ~        at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
# o: o3 f1 F! @5 v, ?        at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)- ?, T% q/ r0 E4 X" t
        at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)+ n. I' ~6 u9 K4 m
        at saf.v3d.Canvas2D.update(Canvas2D.java:113)
( b- ^* q" n- C3 g+ B        at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
4 N$ o& Z4 ~2 `2 T. Q4 H  Z6 m        at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)) Z6 d7 n& A) G& B$ E
        at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
8 A# S, A; B  g& v% Y% K        at java.lang.Thread.run(Unknown Source)% X! O1 g- z7 Y$ R2 A- d' M
Caused by: java.lang.NullPointerException9 }; j2 {) ^9 U' p2 B
        at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)# S: Y  v; n# v
        at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)* K9 j( t8 L! J& m
        at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)+ R9 k( L  z& M" S
        at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)1 g) U& {  [* I& k
        at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)0 c, n6 ?! j( W$ i
        at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
+ f* t6 i# g. J4 r2 M        at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)
0 |1 @" e. w3 c+ F* y        at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)) h! j* n$ x5 b& D; D
        at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)( g: m; L7 ^; k; X; p/ p
        at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
$ {. z' @$ F0 F; N# r9 J) q        at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)6 i/ |2 p0 d+ a2 P& D* N
        at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)8 ]( ?/ J; G" E  W
        at java.awt.event.InvocationEvent.dispatch(Unknown Source), u! ]% U/ F* k) K) D
        at java.awt.EventQueue.dispatchEvent(Unknown Source)8 s  H( c! W! d$ H. D
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)% M- ?1 {( w. D* [! _& L2 Z
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)1 ?1 i0 C, r! H5 g6 Z
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)7 Y0 d. z# G; }! k, l
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
" H2 s. F9 G  o7 g. r% u% ^        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
( z2 l7 W* @6 [) h  W7 I        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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