error while creating displays

panllrose

- r% ]* ?0 _' H/ E/ g& [2 Q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：

3 ]3 H* z  x5 L2 R1 c2012/06/13 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)
" {# m0 Q" e1 i3 e' g3 }) b4 x        at repast.simphony.visualization.engine.DisplayProducer.createDisplay2D(DisplayProducer.java:187)
! p1 K5 o8 G/ ^/ \! _        at repast.simphony.visualization.engine.DisplayProducer.createDisplay(DisplayProducer.java:88)
8 N5 d# r6 B: q' `& s7 b        at repast.simphony.visualization.engine.DisplayComponentControllerAction.runInitialize(DisplayComponentControllerAction.java:90)
) k/ k4 y" V5 `: R        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:171)
        at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:1)
- I) ~& I1 X7 i! I. S2 F        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:287)
2 C5 O( L# a. d& ?        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
, F3 N- R$ m8 e) {! `        at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:290)
        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)
, |1 I6 M2 C9 {        at repast.simphony.ui.action.InitRun.actionPerformed(InitRun.java:17)
        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
" p. u' w# J  `6 P- M, j% x. `        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
$ h. |5 h2 \, B; J  t3 V2 g! f        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
! x# a/ q+ f- A0 Z4 V" r$ r& |        at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
/ |6 \7 v4 Z1 u' Q8 v2 ^" Q3 t0 a5 `, z        at java.awt.Component.processMouseEvent(Unknown Source)
        at javax.swing.JComponent.processMouseEvent(Unknown Source)
7 @/ V. F, `( Z: p& u; h6 j# z        at java.awt.Component.processEvent(Unknown Source)
9 `7 Q: c. \' r1 r: w& S& @        at java.awt.Container.processEvent(Unknown Source)
" |& h! w+ t) Y7 x3 h        at java.awt.Component.dispatchEventImpl(Unknown Source)
$ `' F0 x" k9 q! a+ _+ U# }        at java.awt.Container.dispatchEventImpl(Unknown Source)
+ M- l" K9 [/ L2 G- Y1 p        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
9 _* \. k4 e8 B- \  w7 D9 j4 H        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
" s, p% D- l/ R7 y        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
/ E5 |2 {- m4 t3 G        at java.awt.Window.dispatchEventImpl(Unknown Source)
3 }- A! e$ h  G2 k! e4 a* h1 f        at java.awt.Component.dispatchEvent(Unknown Source)
; X8 G  \3 b$ U" l, z4 t/ M5 O: `        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
$ z  z5 y8 n( j& l        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
. j  r  M" H, M/ j% _0 F        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)
. u. t8 J2 }$ Y: r- a5 f' ]- p3 |