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September 2009

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MASON Multiagent Simulation Toolkit <[log in to unmask]>
Date:
Sun, 6 Sep 2009 22:27:29 +0200
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MASON Multiagent Simulation Toolkit <[log in to unmask]>
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Sean Luke <[log in to unmask]>
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To: MASON Multiagent Simulation Toolkit <[log in to unmask]>
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Also... does balls3d work fine for you, including when they change  
colors?

Sean

On Sep 6, 2009, at 9:59 PM, Joerg Hoehne wrote:

> Hi Sean,
> for me the code for 3d display is not working anymore. Before the  
> update I was able to display a
> scene but was not able to change colors.
> After the update I get the exception:
>
> Exception in thread "AWT-EventQueue-0"  
> javax.media.j3d.RestrictedAccessException: Cannot
> modify capability bits on a live or compiled object
> at  
> javax.media.j3d.SceneGraphObject.setCapability(SceneGraphObject.java: 
> 101)
> at  
> sim 
> .portrayal3d 
> .SimplePortrayal3D.setPickableFlags(SimplePortrayal3D.java:235)
> at  
> sim 
> .portrayal3d 
> .SimplePortrayal3D.setPickableFlags(SimplePortrayal3D.java:227)
> at  
> sim 
> .portrayal3d 
> .simple.PrimitivePortrayal3D.getModel(PrimitivePortrayal3D.java:167)
> at
> sim 
> .portrayal3d 
> .SparseFieldPortrayal3D 
> .wrapModelForNewObject(SparseFieldPortrayal3D.java:77)
> at  
> sim 
> .portrayal3d 
> .SparseFieldPortrayal3D.updateModel(SparseFieldPortrayal3D.java:157)
> at sim.portrayal3d.FieldPortrayal3D.getModel(FieldPortrayal3D.java: 
> 182)
> at sim.display3d.Display3D.updateSceneGraph(Display3D.java:1209)
> at sim.display3d.Display3D$12.run(Display3D.java:1152)
> at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
> at java.awt.EventQueue.dispatchEvent(EventQueue.java:633)
> at  
> java 
> .awt 
> .EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java: 
> 296)
> at  
> java 
> .awt 
> .EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
> at  
> java 
> .awt 
> .EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java: 
> 201)
> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 
> 196)
> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 
> 188)
> at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
>
>
> After having a look inside the source code it looks like there some  
> slight differences between the
> various XXXPortrayal3D classes that might not be intended, like the  
> missing call of
> setShape3DFlags(Shape3D shape) where I guess (really a wild guess)  
> the problem might be
> located.
>
> For a quick fix (it's late in my time zone) I rely only on  
> CubePortrayal3D and the code does not
> throw any exception at the moment. Using the SpherePortrayal3D class  
> does crash the
> application. I don't have the time to explore on this subject today  
> and tomorrow so you or Gabriel
> may have a quick fix available.
>
> Regards,
> Jörg

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