Landmark drop down to indicate the landmark for centre of mass
Returns a table row HTML element with options to close current centre of mass session.
Returns a table row containing the landmark and color of centre of mass.
Returns a row element of table containing the button to edit current centre of mass.
A new row element of table containing the option to add new centre of mass.
Protected refOptional options: boolean | AddEventListenerOptionsGenerated using TypeDoc
Centre of mass session element for drawing annotation