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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 z7 H& T9 y5 _7 N) J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+ l, O7 Z. a4 D2 y1 h
; a6 o- T' k T9 }9 F0 Z! g6 `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
4 l3 z: Y4 w2 y# d4 s5 a7 _6 D
8 T! o h- `4 I# a% T' A" ~* i感谢感谢
2 M' S4 y' t# L$ l1 `8 e' P错误如下：
' q4 G" N4 ?7 h* L2 j
4 ^7 l# n8 h( U2 lException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException3 r q8 _# @# ^3 P
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
+ f5 w$ I$ z S* }3 U& f) S \ at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)
6 S: X2 U, p' x8 P$ |& j at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)
6 S. N* H) \0 P8 v6 o at saf.v3d.Canvas2D.update(Canvas2D.java:113)
: {5 N0 o9 E$ `7 j at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)( T! a+ R/ C0 R1 U- ]8 k
at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)
; Y- u' f H y) D& o at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
# y* B/ m) L; M$ l at java.lang.Thread.run(Unknown Source)
' H/ Q& r% }6 F0 O3 y3 P# Y) KCaused by: java.lang.NullPointerException! g# E+ O# w% j6 J! }# }3 R
at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)
1 x: @" C u: W, I; Y at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88): F7 k' b) ]$ H6 G, ^2 P
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
3 p! l* v" G3 E at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)+ Z: T6 n& P8 h& @2 a, ^% T% B
at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)
5 I g- ^4 U. m% w. p3 V0 C at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)( }5 }# E0 l K) y% w4 M- z
at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)2 [3 `" w' h' ?; Y7 k: n
at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)% E, U! v% T& G$ ^$ X2 a
at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)3 X- L9 `# h. a
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
$ B7 A% \4 J M# G( F* Z+ n( c0 ` at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
7 J# ?4 Y, x, {' Z at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
8 ]- D0 o1 [* | v" ^, K' W8 I at java.awt.event.InvocationEvent.dispatch(Unknown Source)# ]& F; |/ i ?! e. S/ E
at java.awt.EventQueue.dispatchEvent(Unknown Source)! H' o* [& g8 p- @. `* H3 _
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)8 N7 C, x' u: F
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)( l1 N: n( Y! b0 v) D
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
. n& V$ s5 g. l at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
8 n3 E' j( c9 ~1 z+ o at java.awt.EventDispatchThread.pumpEvents(Unknown Source)4 t8 w( F8 h$ T
at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
