added UVW to coordinate code to specify negative X, Y, Z axes, respectively (I'm not fond of this, but it's the only thing I can think of that doesn't break some other stuff.  Note that 'VZX' is standard computer graphics coordinate system (+x to the right, +y up, and +z forward)
added UVW to coordinate code to specify negative X, Y, Z axes, respectively (I'm not fond of this, but it's the only thing I can think of that doesn't break some other stuff.  Note that 'VZX' is standard computer graphics coordinate system (+x to the right, +y up, and +z forward)

junh1024/adt-fork,junh1024/adt-fork