Hi Don,

thanks for your reply.

My assumption that it has be a normals problem let me try a few things
before my
mail got through to this list (this take a while...). I tried using an
TriangleArray instead of an TriangleStripArray and it worked.

"Casteel, Don" wrote:

> You might try to check your normals. If they are not all pointing in the
> same direction, just create a vector-array with all identical vectors and
do
> a "setNormals(Vector3f[])".

I used the NormalGenerator on my GeometryInfo. Doesn't this class generate
normals according to the vertex clock- or anti-clockwise direction of my
polygon? At least the whole geometry is visible.

> Or you may have to create triangleArrays making sure to describe each
> triangle in the same clock-direction.

Yes, I skipped the Stripifier. Additionally I have CULL_NONE in my
PolygonAttributes for that Shape. Does this make a difference for
intersection?

> I have no idea if this "could" be the problem, but it's something to
check.

Thanks for your help (THIS IS A GREAT LIST WITH GREAT PEOPLE!)

Andreas

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