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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
# ~% 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
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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
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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) |
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发表于 2011-8-14 15:50:58
