NAME gr_roll - a GRToolbox module DESCRIPTION Cyclic rotation of point coordinates. The coordinates will be rotated in the way, that the old x-value will become the new y-value. In case for 2D data the old y- will be new x-value. In case for 3D data the old y- will be new z-value. SYNOPSIS: -[-h o v noc nof now skip f m c e i s l] -help For help on all options. Special Options: - Rotate in reverse direction.