(self)
return np.vstack((self.named.data.xmat['skull', ['zx', 'zy', 'zz']],
                      self.named.data.xmat['torso', ['zx', 'zy', 'zz']],
                      self.named.data.xmat['pelvis', ['zx', 'zy', 'zz']]))
Returns rotation-invariant projection of local frames to the world z.
Returns rotation-invariant projection of local frames to the world z.
Returns rotation - invariant projection of local frames to the world z .
def z_projection(self):
    """Returns rotation-invariant projection of local frames to the world z."""
    return np.vstack((self.named.data.xmat['skull', ['zx', 'zy', 'zz']],
                      self.named.data.xmat['torso', ['zx', 'zy', 'zz']],
                      self.named.data.xmat['pelvis', ['zx', 'zy', 'zz']]))
def z_projection ( self ) : return np . vstack ( ( self . named . data . xmat [ 'skull' , [ 'zx' , 'zy' , 'zz' ] ] , self . named . data . xmat [ 'torso' , [ 'zx' , 'zy' , 'zz' ] ] , self . named . data . xmat [ 'pelvis' , [ 'zx' , 'zy' , 'zz' ] ] ) )