Colour marking metal surfaces

Abstract

A controlling apparatus, comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: obtain a file comprising an image to be marked on a surface; analyze the image to be marked on the surface and determine one or more continuous areas of the image having the same fill color and on colors in the image; obtain information on the quality and thickness of the surface of the object to be marked; determine order in which the areas of the image with different colors are to be marked; determine on the basis of the determined and obtained information parameters for a laser marking apparatus separately for each area of the image with different colors; and store determined parameters in a marking file.

Dependencies are inferred from the claim text.