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