Hi, all.
When I call view.setScreenScale(), I often got two kind of exeption as follows.
It seems to be easy to cause when a heavy calculation like restructuring of geometry
is being carried out.
I'm very much in trouble.
Please tell me the way of avoiding these exception.
java.lang.NullPointerException
at javax.media.j3d.NodeRetained.getCurrentLocalToVworld(NodeRetained.java:413)
at javax.media.j3d.RenderBin.updateViewPlatform(RenderBin.java:1901)
at javax.media.j3d.RenderBin.processMessages(RenderBin.java:1080)
at javax.media.j3d.StructureUpdateThread.doWork(StructureUpdateThread.java:83)
at javax.media.j3d.J3dThread.run(J3dThread.java:256)
or
java.lang.NullPointerException
at javax.media.j3d.NodeRetained.getCurrentLocalToVworld(NodeRetained.java:413)
at
javax.media.j3d.CanvasViewCache.doComputeDerivedData(CanvasViewCache.java:433)
at javax.media.j3d.CanvasViewCache.computeDerivedData(CanvasViewCache.java:373)
at javax.media.j3d.Canvas3D.updateViewCache(Canvas3D.java:2752)
at javax.media.j3d.RenderBin.computeViewFrustumBBox(RenderBin.java:2982)
at javax.media.j3d.RenderBin.processMessages(RenderBin.java:1165)
at javax.media.j3d.StructureUpdateThread.doWork(StructureUpdateThread.java:83)
at javax.media.j3d.J3dThread.run(J3dThread.java:256)
===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff JAVA3D-INTEREST". For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".
