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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
( K+ l' z& t! H" V# E4 h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) q( C+ M# y7 \
) R5 Y& s; Q" F/ l8 Q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, E3 d& u# p/ G6 k+ X% F% V
* h1 v( L- `, P4 Z4 K8 k" T
感谢感谢
) t/ i1 u" |9 u2 S( `% C. k# O错误如下：$ T8 ?* l% A. ]( a1 C( D4 \
. ]5 B3 [* @6 M* V0 q2 dException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
( W* m$ ~3 {) t8 `, h at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)6 V( Y3 }& Q% p- i O+ ?
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)3 K, R* \5 }( f, R8 P
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)
. B* ?/ ?/ v& L: X" q* ]/ Q: ] at saf.v3d.Canvas2D.update(Canvas2D.java:113); V- v0 j D5 e; `7 v. x7 h
at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
3 c5 b& a* Z+ f2 U$ D& b at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)- c. x6 a: |* e
at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
6 S# ~) \$ b1 ~8 o, M& ` at java.lang.Thread.run(Unknown Source)
& C$ e* p7 q1 G9 wCaused by: java.lang.NullPointerException
) Y& u! \2 c, u at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130) T d( q% y# Y% I1 z( c
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)% Y- F( v6 b7 F4 r! _+ J% k6 m
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)0 d8 ~+ W6 [7 p( x! P( y
at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)8 z1 z+ p& q# O Y* W
at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)5 V3 B' J) {7 P. B! W/ W, Z
at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
5 R. I2 \, p: k! R at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)
" o$ z( a8 N( ~; V- ~' { at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
* ~( B) d# L/ n at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)4 T" b" c7 b0 c& z$ _( n7 s, k: k$ D7 H& L
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
2 }2 h6 I# e/ x* A' s0 C% R at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)/ L+ Q2 ?5 `1 `
at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
3 t5 y& l& L- Z( x T: \ at java.awt.event.InvocationEvent.dispatch(Unknown Source)
3 Y) x2 t9 R0 S6 B6 Y( j8 e+ b$ ~ at java.awt.EventQueue.dispatchEvent(Unknown Source)+ m8 @6 A2 E4 H& j, w$ w
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)3 D8 d2 i# G& |1 _6 S+ w) G( U# s
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)4 X( A' k3 Y1 X$ z: Z% R: g" {7 |
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)3 n/ R, y. r, l7 o x7 r7 p$ V
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
[* I+ s {( ?- w. `+ I at java.awt.EventDispatchThread.pumpEvents(Unknown Source) i" _6 o7 R4 p' L
at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
