error while creating displays

panllrose

, J% x& u7 B& B7 U, k
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：

2012/06/13 09:59:23,312: Error while creating displays
2 G0 }  `( r2 b+ m! ?4 Njava.lang.RuntimeException: Projection 'ContinuousSpace' not found.
8 A7 V. u! w6 n( C5 J2 N        at repast.simphony.visualization.engine.DisplayProducer.createLayout(DisplayProducer.java:540)
        at repast.simphony.visualization.engine.DisplayProducer.createDisplay2D(DisplayProducer.java:187)
        at repast.simphony.visualization.engine.DisplayProducer.createDisplay(DisplayProducer.java:88)
1 E+ j) D; ]' m. l* P. a        at repast.simphony.visualization.engine.DisplayComponentControllerAction.runInitialize(DisplayComponentControllerAction.java:90)
        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:171)
6 b  J  n! i  \        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:1)
1 X: g( q$ v! X9 ~! M        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:287)
1 h* h; P) o. X! X0 L8 T# i        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
4 @. p/ d- H, G        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
; V2 i& H" o/ z/ W) }" t9 z2 O        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)
8 U4 B$ H+ v6 u) [        at repast.simphony.ui.RSApplication.initSim(RSApplication.java:134)
        at repast.simphony.ui.action.InitRun.actionPerformed(InitRun.java:17)
        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
; Y+ ~  O0 B' v) |7 A        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
  \" S4 P# h. M9 z5 H9 k* `        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
4 ]8 G: g( W( O+ \        at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
        at java.awt.Component.processMouseEvent(Unknown Source)
        at javax.swing.JComponent.processMouseEvent(Unknown Source)
        at java.awt.Component.processEvent(Unknown Source)
        at java.awt.Container.processEvent(Unknown Source)
3 z2 n; [+ a; C/ v/ J        at java.awt.Component.dispatchEventImpl(Unknown Source)
* t' q0 N  x& }: n1 `, Q        at java.awt.Container.dispatchEventImpl(Unknown Source)
% a! `3 m6 m  I) d* h        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
* z: h7 l, r: X& N        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
! D& \; k9 t" `6 [; Y        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
2 x2 m. J! C0 ~! ?: j$ }# c2 F        at java.awt.Window.dispatchEventImpl(Unknown Source)
" x! a- x4 c, J( d- h3 L% Q        at java.awt.Component.dispatchEvent(Unknown Source)
7 F' p. P6 L2 q4 E. U* F        at java.awt.EventQueue.dispatchEvent(Unknown Source)
9 ?0 [! I! R# U        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
. x# \) S5 l. o% a7 F( c        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
7 _  p" e0 N' E1 t        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)