Rigid rotation of a dip or dip set by a specified angular amount about a given axis. Used to remove tectonic dip prior to sediment dispersal analysis. Either completed graphically with a stereonet or computationally.
DE PAOR, D. G. 1996. Computation of orientations for GIS- the ‘roll’ of quaternions. In: DE PAOR, D. G. (ed.). Structural Geology and Personal Computers, Pergamon, Oxford, 470-456.