vreg.Volume3D.center_of_mass#

Volume3D.center_of_mass(coords='fixed')[source]#

Center of mass.

Parameters:

coords (str or array, optional) – Reference frame for the coordinates of the returned vector, as a 4x4 affine array. String options are shorthand notations: ‘fixed’ (patient reference), and ‘volume’ (volume reference frame). Defaults to ‘fixed’.

Returns:

3-element vector pointing to the volume’s center of mass.

Return type:

numpy.ndarray