error while creating displays

panllrose

. U( b$ Z4 w9 G运行程序时，repast给出的错误信息看不明白，怎么查找问题所在呢？我的版本是RS1.2.0，参考predator prey示例写的，context只有一个continuous space，上面分布pedestrian.agent。错误信息如下：

2 y8 V) w% \9 r* a2012/06/13 09:59:23,312: Error while creating displays
java.lang.RuntimeException: Projection 'ContinuousSpace' not found.
        at repast.simphony.visualization.engine.DisplayProducer.createLayout(DisplayProducer.java:540)
: M9 d# @% f5 U: Q4 s        at repast.simphony.visualization.engine.DisplayProducer.createDisplay2D(DisplayProducer.java:187)
        at repast.simphony.visualization.engine.DisplayProducer.createDisplay(DisplayProducer.java:88)
        at repast.simphony.visualization.engine.DisplayComponentControllerAction.runInitialize(DisplayComponentControllerAction.java:90)
( E: d6 B: Y2 ^0 {1 I        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:171)
        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:1)
# s3 a3 j3 a& p8 v4 I& P5 c/ N        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:287)
  K. f% \3 Z6 m7 D% Z) P8 k" a! @        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
        at repast.simphony.util.collections.NaryTree.preOrderTraversal(NaryTree.java:283)
: v) t( Y# x, Q) E4 a        at repast.simphony.engine.controller.DefaultController.runInitialize(DefaultController.java:169)
        at repast.simphony.engine.controller.DefaultController.runInitialize(DefaultController.java:324)
6 ^( u: x) x0 i6 K7 x" T        at repast.simphony.ui.RSApplication.initSim(RSApplication.java:134)
        at repast.simphony.ui.action.InitRun.actionPerformed(InitRun.java:17)
+ H! ^0 K8 J* k! a* n- H4 l) a        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
" T0 K3 t) r( a+ T. ]; D        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
; X- |2 `9 m+ j4 \6 {        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
: z( p5 z" m2 Y7 k/ v6 b        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
        at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
# H/ x; x5 o+ t+ ]/ k        at java.awt.Component.processMouseEvent(Unknown Source)
1 q! i9 x* m; E! U) P9 h5 y        at javax.swing.JComponent.processMouseEvent(Unknown Source)
. _: X# f, {, J/ O; S        at java.awt.Component.processEvent(Unknown Source)
% N" {+ D# {% _; K: k        at java.awt.Container.processEvent(Unknown Source)
  q- I% \2 w# w! ?3 }        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
. B+ _- C# x! f& z9 R2 P9 Y        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
. S& q6 o- Y5 x( B; E        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Window.dispatchEventImpl(Unknown Source)
) J, j/ q5 a# n6 x5 }        at java.awt.Component.dispatchEvent(Unknown Source)
  |" z, k: I8 S        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
5 Z1 l- |5 k3 {- b0 @        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
1 O& W8 p8 \* L) M        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)