Hi all, I'm trying to implement a rubber band selection tool (and also a polygonal selection tool), and I'm wondering which is best approach since there are a number of options in OSG and it's a bit confusing... Note that I don't really need the PolytopeIntersector, because I need to create a bit mask for the pixels inside the polygon. For the drawing of the rectangle (or polygon) I was thinking to do it in screen coordinates, using a HUD camera, but then I need to handle the mouse events and the state machine for the various mouse presses... where should be best handled this? Should I use a node callback, and event handler or create my custom node and handle the events in the traverse()? Thanks in advance Marco
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