Abstract: The invention provides a method for the preparation of pattern data for a surface-covering for one or more spaces wherein the surface-covering pattern data defines pattern characteristics which include the number of pieces of surface-covering, the measurements of each piece, the shape of each piece, laying direction of each piece, laying angle of each piece, number of joints, position of each joint, and/or -machine-learnt pattern characteristics which method comprises the steps of: a. Providing a surface plan for the one or more spaces wherein the surface plan defines shape characteristics of each of the spaces wherein shape characteristics comprise the dimensions and shape of each space and the location, type, shape, and/or dimensions of any feature or obstruction in each space; b.