Abstract: Gestural interfaces in virtual reality (VR) expand the design space for user interaction, allowing spatial metaphors with the environment and more natural and immersive experiences.

I should be able to select data points from a figure and then red crosses are supposed to appear after clicking with the mouse, but nothing happens, an empty array is returned and the figures only ...

I'm trying to add some interactive drawing features and I can't seem to figure how how the y axis gets scaled between normalized units (from 0.0 to 1.0) to units of the data. For example, when I mouse ...