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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, n' t! B/ {" K" N/ |# 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
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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: @. c3 ]0 H/ H) v0 Q" l: o
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感谢感谢
7 s, g% Z! R0 C9 C错误如下：
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/ Z- I; n0 ?! A& G3 Y' d8 `3 m( oException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException9 A l ]7 d- n6 a2 ~$ b9 H/ ?
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)' i' C) r: l( h& O( j6 J( S
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)
' X4 D. L0 L" A at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)' B3 K. _3 F" K9 l: e6 c7 c. L
at saf.v3d.Canvas2D.update(Canvas2D.java:113)
2 q: M5 I s+ |6 p) c* A5 U/ R9 P at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358). P. z$ Y, J/ n' Q
at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)
2 G, j; W/ ^+ O at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)3 z! k' x& k9 ~* W# O# ]/ F
at java.lang.Thread.run(Unknown Source)
! `9 {: r! m' _0 y& L- Y/ eCaused by: java.lang.NullPointerException
; H8 k; y& O P1 _, Q' j9 m ] at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)0 `; l7 i, B5 V7 W. I& A
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
* @6 }0 X+ p! V. m5 h at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)# W/ _: _; J$ M
at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)
9 `6 M8 N" W, g: Z4 M1 O at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)% L) n# p* c8 `! u1 w0 x
at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
) H7 Z) x9 M( C* H7 |8 N3 } at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)2 ~3 Q: T1 N/ {5 w
at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)8 E j7 c. a w6 ~: O6 O/ V
at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)" \& r) Q: n" A1 Z+ a! W
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
/ ]& v- T' l# B6 y o$ [6 h at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
, m5 a- h) e. b% ~ at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)4 H+ ]* W0 l" e" f1 u8 m- }8 z
at java.awt.event.InvocationEvent.dispatch(Unknown Source)% v; \% j% e' |! Z) b2 N# T
at java.awt.EventQueue.dispatchEvent(Unknown Source)
1 K& @- T# X5 x$ d0 B at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
N8 p3 E& L, a" D; V0 \ at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)3 ^' O# U$ n4 |; M" S2 C; R- d7 p
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
% b" V' w6 [8 K at java.awt.EventDispatchThread.pumpEvents(Unknown Source)( x7 q& B. i- `7 O6 t
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
4 A$ y4 r5 I8 |- x0 b$ D at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
