Does anyone know how I can select a rectangle on the
Canvas3D, and generate the appropriate PickBounds to
pick everything in the rectangle.
I am writing an application where the user needs to be
able to select a group of Shape3D objects
(e.g. to delete them or highlight them).
I would like them to be able to drag out a rectangle
on the Canvas3D, and have everything that appears in
the rectangle picked, in the same way as you can drag
and select a region in any standard paint program.
So far, I have been able to let the user point and click
on individual shapes, using a PickCanvas.
How do I select a region on the Canvas3D.
thanks
Robert
--
Robert McLaughlin
Medical Vision Lab
Department of Engineering Science
University of Oxford
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