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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( b4 D& ~5 w* X: |3 `: ~
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
& F) u5 L+ t# |7 L( I. w
6 }& f' r5 c1 x) I( |/ [$ d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 O. E3 {+ q/ T' _0 V8 U
+ v- J* r7 | j& S+ F8 V: O
感谢感谢
) N& V( W6 O& E3 @: ?1 w# t' p- O错误如下：
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& I; h, Y9 @3 ?! m( ~8 dException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException* o, r9 ]9 F: k7 O
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
; C9 I4 K: f% F# R1 q at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)+ T2 W/ v4 g( Q% ~! V; o
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)
: K4 N/ Y. B& o8 h0 |: ~4 v4 D at saf.v3d.Canvas2D.update(Canvas2D.java:113)
- [& Q' r+ ^# L4 {& q7 n7 u& J0 M at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)' Q. ?, V& G0 e+ g' {
at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)
' x9 Z2 x ]3 r( A at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
$ z, @, g" q2 Z0 ^* d at java.lang.Thread.run(Unknown Source)
7 ]/ {! o# c, B' V' m ~- xCaused by: java.lang.NullPointerException
$ H5 N8 }+ X+ }( `6 t at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)
2 o5 R' C+ K! x at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
5 l0 j( |, ~5 q2 J0 ~ at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
" A& o6 J* l3 w# N( ?+ A% l, D at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)
# Y) M k o( j: o H at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)! P1 U( N* _. a0 ~& |7 G5 ]; g, ]( ^
at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)7 C2 \7 W& i' `/ b$ i
at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)
6 g/ C) Z3 J6 f5 K& @' r at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)4 ~& ?' ?8 k, n2 K: P2 t0 s
at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85) `9 ~# Q$ P1 Z+ l: G
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
3 A }9 j" g! f( Y7 n8 K at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
: P( S, c" ?: q9 {" L at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)8 y' ]$ J, W0 t; `9 M
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
" H m: ] s/ G* E at java.awt.EventQueue.dispatchEvent(Unknown Source), O' I! W' V, \3 S( f
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)& u& a1 }9 j# p! W% h+ e+ D
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
6 ]4 R" h) l/ B1 g at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
: p& F( @5 E7 h, E at java.awt.EventDispatchThread.pumpEvents(Unknown Source)4 f$ I6 e# b" y" i G
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
2 k- t; y8 s0 D# r6 \ at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
