NAME gr_plane - a GRToolbox module DESCRIPTION Extracts one or more planes from point file. SYNOPSIS: -[x y zh o v noc nof now skip f m c e i s l] -help For help on all options. Special Options: -0 file Write the 0 coordinate plane. -1 file Write the 1 coordinate plane. -n file Write the n coordinate plane. -x file Write the x coordinate plane. -y file Write the y coordinate plane. -z file Write the z coordinate plane.