Half_Circle
convert an angle to Deg/Rad/Grad
Return
angle in Deg/Rad/Grad.
convert an angle to Deg/Rad/Grad
Parameters
Half_Circle
new Half circle to use
convert an angle to Deg/Rad/Grad
angle in Deg/Rad/Grad.
convert an angle to Deg/Rad/Grad
new Half circle to use