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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
& H% T. J% J/ o# T4 ~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
J0 ~7 }$ {# h7 O9 y: K$ V1 t( X. F5 v: [' K% M! a$ D; l$ ^) E
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
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0 G( ^* w: @2 {8 q7 N感谢感谢6 v: F5 V- s' H
错误如下：/ ^9 m! p) l) R+ ~' m+ m; d7 b. C$ Z
8 A5 r$ j1 L6 M8 Q8 J* HException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
% O0 q2 _' D: i# E at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)7 x2 F9 k7 X5 D# h0 |
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)
( }/ [0 s& F& v at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)! f9 h6 \6 j4 d" U0 x
at saf.v3d.Canvas2D.update(Canvas2D.java:113)2 s( ^! }* g, S( O, L% p5 [
at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
2 y+ B5 K! i- Q, b: D2 \% h+ v0 C at repast.simphony.render.RendererManager.setPause(RendererManager.java:57) l" E; _" m5 }- [2 w# t1 ]# {5 x
at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
. |/ c# J) w4 S1 l$ E at java.lang.Thread.run(Unknown Source)
- @: ^% _2 O F3 P/ ~6 X# B) hCaused by: java.lang.NullPointerException+ q1 K% C" [- f$ w3 z
at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)' E5 c# B' }; g
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)5 @; ^) g0 m |; s1 z
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)4 h: h: a2 r X( p1 S' A4 z6 {1 z
at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)
, s8 M# y7 ?/ A* B/ G8 X5 I! g at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)8 |6 C, l0 `0 P- ^7 A
at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
( `' h( p3 K. @/ W5 o& Q( x at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)$ S; R2 Z5 Z1 t9 H! h/ z. ^* M# I
at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)9 t5 I& M' H% x& O2 ?
at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)
8 h! L8 z$ h% p. b3 G" F5 b at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
7 V' u0 W" K3 P+ K9 { at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
4 U4 W {: x# {4 s3 k! x' i; w/ g at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
5 d) Y$ g/ K& w7 @- z+ T at java.awt.event.InvocationEvent.dispatch(Unknown Source)
6 z" N" h j" L3 {3 r% J! X at java.awt.EventQueue.dispatchEvent(Unknown Source)
+ z6 K/ w9 E4 l5 y6 W at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
3 N- Y; x+ n( e J at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)/ E5 R; K+ z, r8 r
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
' C' v6 c- l5 S1 i* j4 y1 E3 x at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
, I+ p1 p: ?; H. U at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
% D6 @% B# q/ E# j# D# m at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
