3D direct interaction
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3D direct interaction is a method of computer-human interaction where a user can specify a point in three dimensions of space simultaneously. It is enabled by 3D control peripherals and 3D visual peripherals.
The main use for 3D direct interaction computers is to visualize molecular structure. It is also easier to do 3D modeling compared to 2D applications like Blender.
3D direct interaction can generally happen via hand tracking or with some types of 3D pen.