Hi Jeremy, thanks for your reply. I cannot call "invoke and wait" because I'm already on the Swing event despatching thread. For the same reason, "invokeLater" has no effect. I think the Swing event despatching thread must be competing with the Canvas3D renderer thread for cpu/graphics card time - but given my graphics card/cpu and the fact that little is happening on the Canvas3D, this somewhat surprises me.
As an aside, all popups can be made heavyweight for mixing with J3D by including the line:
JPopupMenu.setDefaultLightWeightPopupEnabled(false);
Similarly, for tooltips:
ToolTipManager ttm = ToolTipManager.sharedInstance();
ttm.setLightWeightPopupEnabled(false);Thanks anyway. Best wishes, -Paul
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