error while creating displays

panllrose

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3 h  `7 n8 B: F* _: e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：

0 u4 x% ?5 y; w, o2012/06/13 09:59:23,312: Error while creating displays
* b: m% r* L2 z- |java.lang.RuntimeException: Projection 'ContinuousSpace' not found.
        at repast.simphony.visualization.engine.DisplayProducer.createLayout(DisplayProducer.java:540)
6 K1 y. N2 k0 [- r        at repast.simphony.visualization.engine.DisplayProducer.createDisplay2D(DisplayProducer.java:187)
        at repast.simphony.visualization.engine.DisplayProducer.createDisplay(DisplayProducer.java:88)
6 J" a( N; J! Z        at repast.simphony.visualization.engine.DisplayComponentControllerAction.runInitialize(DisplayComponentControllerAction.java:90)
2 k& I# v9 O/ ^6 ?+ z$ d/ w) N        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:171)
# O5 w9 g3 b% H8 Y* p  N        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:1)
$ J0 |# [* w. L5 T) B        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:287)
        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
/ F9 Q# ?" n4 m  `: ?. b        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
/ @9 o4 j6 P# ]7 E; l/ h+ S        at repast.simphony.util.collections.NaryTree.preOrderTraversal(NaryTree.java:283)
        at repast.simphony.engine.controller.DefaultController.runInitialize(DefaultController.java:169)
        at repast.simphony.engine.controller.DefaultController.runInitialize(DefaultController.java:324)
        at repast.simphony.ui.RSApplication.initSim(RSApplication.java:134)
. W5 o; J6 e* i, r        at repast.simphony.ui.action.InitRun.actionPerformed(InitRun.java:17)
$ j& I( C. E* j, `1 n        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
9 E5 `  {4 q! b7 y        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
* r( w2 S& w0 ^- v6 [        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
  c7 K  g6 Q$ N0 F) {+ {7 [# C        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
5 i3 U! P/ J6 \0 d' {- y2 S2 _        at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
        at java.awt.Component.processMouseEvent(Unknown Source)
        at javax.swing.JComponent.processMouseEvent(Unknown Source)
2 z/ s& u+ D7 L4 z( X        at java.awt.Component.processEvent(Unknown Source)
/ t' I7 J4 k6 S  h) q4 n        at java.awt.Container.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
$ @+ c+ @7 i1 w" \  n9 z        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
0 ]5 t4 a1 c0 h* P- m        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
& R$ v5 x' z  ?, d, C! |* V        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
1 {' X4 |* o, |+ W3 g- w9 M        at java.awt.Window.dispatchEventImpl(Unknown Source)
+ b3 _# |8 q, F& b2 Q( b: Y        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
' ^. ^# X: C/ l        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
% T; W/ c2 R" m. J" _+ y2 g7 z8 R        at java.awt.EventDispatchThread.run(Unknown Source)