I have a Shape3D object with a Raster as its geometry.
It does not appear to be pickable. I'm using the
com.sun.j3d.utils.behaviors.picking.PickObject.pickClosest(x, y) method,
which I assume is just using standard Pickray picking underneath.
Is this an undocumented feature of Raster Shape3D nodes?
i.e. is this
1. Something I'm doing wrong? I have setPickable(true) on the node.
2. A bug in Java3D (1.1.1 I admit)
3. A known design limitation?
4. A deliberate design decision in Java3D because Raster objects are not
really fixed size in VWorld coordinates?
If it's a deliberate design decision, I recommend it be reversed, and
leave it
up to programmers to decide if it makes sense. I wanted to use Raster
shapes
as a better-performing form of pickable billboard labels on features in
the scene.
These would have had the desirable feature that the icon (feature label)
would remain the
same size in the view regardless of z-distance to the labelled scene
feature.
They would also remain facing the view all the time. Java3D Billboard
behaviours
only correct the orientation of the billboard every so often, with
visible lag on
some computers.
Eric
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