Hi everyone
My app throws the exception below, apparently for no obvious reason. Sometimes I get
this exception right after changing View transformations, but other times I don't even
touch transformations and exceptions arise the same way.
My scene graph has lots of Views and usually I'm using more than one Canvas3D, though
this problem sometimes happens when I'm using only one Canvas3D.
javax.vecmath.SingularMatrixException: cannot invert matrix
at javax.media.j3d.Transform3D.invertAffine(Transform3D.java:2874)
at javax.media.j3d.Transform3D.invert(Transform3D.java:2696)
at
javax.media.j3d.OrientedShape3DRetained.updateOrientedTransform(OrientedShape3DRetained.java:401)
at javax.media.j3d.RenderBin.updateOrientedRAs(RenderBin.java:5702)
at javax.media.j3d.MasterControl.doWork(MasterControl.java:2885)
at javax.media.j3d.MasterControlThread.run(MasterControlThread.java:28)
I dont't know if this information is relevant, but I had the problem with both DirectX
and OpenGL versions of Java3D 1.3Beta2, and am using jdk1.3.1_01, on Windows.
Has anybody out there had a similar problem? Does someone knows the cause of it?
Any help or suggestion is greatly appreciated.
Fabio
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