> Hi Tina,
>
> Looking at your code , I think you get the exception from the removeScope
> call. When you initially do addScope you do it with object "objBg". Are you
> sure you initialiaze that object before your call to createModelClip?
Hi Nikolaos,
yes, I do initialize it. Actually I have a Behavior that picks
objects and highlights them (pickHighlightBehavior). Just before
I do the model clip I have to first select(pick) and object. Now,
it seems that it is selecting the right object because it is
highlighting it and it also returns the right userdata associated
with the branchgroup (objBG). I then use this objBG for the model
clip as well. Now again it looks like it is clipping the right
object because I see that only the selected object on the screen
changing. But it is only when I am Logging off my client program
where I am detaching all the branchgroups in the scene that I get
this below error.
Tina
> this is what I am doing :
>
> BranchGroup bg;
> createModelClip(BranchGroup objBg)
> {
> bg = new BranchGroup();
> bg.setCapability(BranchGroup.ALLOW_DETACH);
>
> ModelClip mc = new ModelClip();
> ----
> mc.addScope(objBg);
> }
>
> removeModelClip()
> {
> if(bg != null)
> {
> mc.removeScope(0);
> bg.detach();
> }
> }
>
> Thanks
> Tina
>
> >
> > Hi All,
> >
> > After I add an object to the scope of the ModelClip instance I get the
> > following exception when detaching the BranchGroup that contains this
> > ModelClip node. Can someone please tell me why it is doing so??
> >
> > exception:
> >
> > Exception occurred during event dispatching:
> > java.lang.IndexOutOfBoundsException: Index: 0, Size:0
> > at java.util.ArrayList.RangeCheck(ArrayList.java:491)
> > at java.util.ArrayList.remove(ArrayList.java:375)
> > at javax.media.j3d.GroupRetained.clearLive(GroupRetained.java:1756)
> > at
> > javax.media.j3d.GroupRetained.checkClearLive(GroupRetained.java:1142)
> > at
> > javax.media.j3d.GroupRetained.checkClearLive(GroupRetained.java:1104)
> > at
> javax.media.j3d.GroupRetained.doRemoveChild(GroupRetained.java:301)
> > at
> > javax.media.j3d.BranchGroupRetained.do_detach(BranchGroupRetained.java:78)
> > at
> > javax.media.j3d.BranchGroupRetained.detach(BranchGroupRetained.java:65)
> > at javax.media.j3d.BranchGroup.detach(BranchGroup.java:97)
> >
> > Thanks for your help
> > Tina
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