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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 V4 X5 V; U9 T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
z8 O, I+ @+ G2 v1 w' [7 K0 p9 ]" B1 }; V
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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感谢感谢3 M4 S+ _0 M8 C! W, d( s
错误如下：2 L* k6 Y2 N: M! I4 v2 A
) u# h0 ~" y: \+ Y* M8 UException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException. }- U: x; N% ?% ^
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
/ c+ q+ A t/ [ at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)& y) w$ \" M0 z M# f! l3 Y
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)1 I `4 `% b" _# ?( h, R
at saf.v3d.Canvas2D.update(Canvas2D.java:113)9 T* ?) M' |% l: j8 |
at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
, R; C- H( c8 A4 ?+ ~' G6 h+ p$ V at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)
. W5 O- j" I2 r2 w" X+ Y E at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
; N6 x1 a& `$ y4 f at java.lang.Thread.run(Unknown Source)
3 X: i, T( W9 ]! m( j) |5 ~Caused by: java.lang.NullPointerException! j( h. D$ k. v
at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)
& A& l8 W8 x, T; y/ ?4 C at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)8 v! w- I; d1 b5 ]
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
) w/ i1 c" O2 o9 s- H at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)8 J* q9 G* R4 |) o5 @
at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)
/ P3 l+ w* n' ?9 o: k at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
: K- @$ Y" s: U. j! M( g% D at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)
7 o9 d3 ?+ g1 P" x: [ at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
* _" Y! O5 d3 t/ J% z; { at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)" o- f: e% h' V9 v' D
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431) Z# ^% `) f" ~2 {' E& v& j3 u& _9 K
at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)6 L( a4 c3 p6 X8 I
at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
1 d6 N0 x) Z* a7 c: Z at java.awt.event.InvocationEvent.dispatch(Unknown Source)) m/ f& N* _$ ?
at java.awt.EventQueue.dispatchEvent(Unknown Source)# S$ l2 t8 Y+ h( B* |: n
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)9 `5 {3 X4 |, O& X9 l. r
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
5 w& m) b3 O2 u) v7 _6 T at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source). s" H8 h1 E) R% E- v% [
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)2 K8 A. X- B5 D: w& H7 V' [
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
I l+ s0 @/ Z at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
