libspnav: libspnav 1.1 (6dof input library)
libspnav: 
libspnav: Libspnav is a C library for receiving input from 6 degrees-of-freedom 
libspnav: (6dof) input devices, also known as spacemice, spaceballs, etc. 6dof 
libspnav: input is very useful for fluidly manipulating objects or viewpoints 
libspnav: in 3D space, and fundamendally comprises of relative movement 
libspnav: (translation) across 3 axes (TX/TY/TZ), and rotation about 3 axes 
libspnav: (RX/RY/RZ).
libspnav: 
libspnav: https://github.com/FreeSpacenav/libspnav
libspnav: https://spacenav.sourceforge.net/

