.. index:: pair: Centre of Rotation; Nuclear Medicine .. _centreofrotation: Centre of Rotation Analysis =========================== Calculates the deviation of an offset point source in a SPECT image or image series. The analysis can be opened by clicking the |cor| button on the :ref:`nmtoolbar` or by selecting 'Centre of Rotation' from the :ref:`nucmedmenu` analysis menu. No settings are currently available. Please see `Centre of Rotation `_ in the `Pylinac documentation `_ for more information. .. |cor| image:: _static/COR.png