Sean Luke wrote:

> Now that's interesting.  Is the problem just that you're seeing 0 

> width and 0 height, or that this triggers something which freaks out?

>

> In any case, could you create a stack trace when this occurs?



If it's any help, the width is at most off by one, so if I have scale 1 

=> width = 0.0 or 1.0, scale 16 => width = 15.0 or 16.0. Like I said 

earlier, this is only for *some* calls to draw. The version of MASON is 

the CVS version from Monday some time and the JRE is 6_0_7.



Naughtiness; DrawInfo2D: DrawInfo2D[ Draw: 

java.awt.geom.Rectangle2D$Double[x=88.0,y=9.0,w=0.0,h=0.0] Clip: 

java.awt.geom.Rectangle2D$Double[x=0.0,y=0.0,w=500.0,h=400.0]]

java.lang.Exception: Stack trace

    at java.lang.Thread.dumpStack(Thread.java:1206)

    at barterBugs.BasicAgentPortrayal.draw(BasicAgentPortrayal.java:99)

    at 

sim.portrayal.grid.SparseGridPortrayal2D.hitOrDraw(SparseGridPortrayal2D.java:229)

    at sim.portrayal.FieldPortrayal2D.draw(FieldPortrayal2D.java:55)

    at 

sim.display.Display2D$InnerDisplay2D.paintUnbuffered(Display2D.java:513)

    at sim.display.Display2D$InnerDisplay2D.paint(Display2D.java:395)

    at 

sim.display.Display2D$InnerDisplay2D.paintComponent(Display2D.java:328)

    at 

sim.display.Display2D$InnerDisplay2D.paintComponent(Display2D.java:304)

    at javax.swing.JComponent.paint(JComponent.java:1027)

    at javax.swing.JComponent.paintToOffscreen(JComponent.java:5122)

    at 

javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:277)

    at javax.swing.RepaintManager.paint(RepaintManager.java:1217)

    at javax.swing.JComponent._paintImmediately(JComponent.java:5070)

    at javax.swing.JComponent.paintImmediately(JComponent.java:4880)

    at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:803)

    at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:714)

    at 

javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:694)

    at 

javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128)

    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)

    at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)

    at 

java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)

    at 

java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)

    at 

java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)

    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)

    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)

    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)