def getQForm(self):
"""Returns the qform matrix.
.. note::
The returned qform matrix is not bound to the object. Therefore it
cannot be successfully modified in-place. Modifications to the qform
matrix can only be done by setting a new qform matrix
.. seealso::
:meth:`~nifti.format.NiftiFormat.setQForm`,
:meth:`~nifti.format.NiftiFormat.setQFormCode`,
:meth:`~nifti.format.NiftiFormat.getQFormCode`,
:meth:`~nifti.format.NiftiFormat.getQuaternion`,
:meth:`~nifti.format.NiftiFormat.getQOffset`,
:meth:`~nifti.format.NiftiFormat.setQuaternion`,
:meth:`~nifti.format.NiftiFormat.setQOffset`,
:meth:`~nifti.format.NiftiFormat.setQFac`,
:attr:`~nifti.format.NiftiFormat.qform`,
:attr:`~nifti.format.NiftiFormat.qform_inv`,
:attr:`~nifti.format.NiftiFormat.qform_code`,
:attr:`~nifti.format.NiftiFormat.quatern`,
:attr:`~nifti.format.NiftiFormat.qoffset`,
:attr:`~nifti.format.NiftiFormat.qfac`
"""
return ncl.mat442array(self.__nimg.qto_xyz)
def getInverseQForm(self):
"""Returns the inverse qform matrix.
.. note::
The inverse qform matrix cannot be modified in-place. One needs to
set a new qform matrix instead. The corresponding inverse matrix is
then re-calculated automatically.
.. seealso::
:meth:`~nifti.format.NiftiFormat.getQForm`,
:attr:`~nifti.format.NiftiFormat.qform`,
:attr:`~nifti.format.NiftiFormat.qform_inv`,
"""
return ncl.mat442array(self.__nimg.qto_ijk)
