Method for Estimating a Spectral Reflectance Value to be Expected of a Layer System

Abstract

The aim of the invention is to provide a method for estimating a spectral reflectance value to be expected of a layer system consisting of a layer sequence of materials and printing inks that involves reliably predicting the appearance of the desired print. This aim is achieved according to the invention by providing a method for estimating a spectral reflectance value to be expected of a layer system consisting of a layer sequence of materials and printing inks, in which: a) firstly the values are determined for each individual layer in relation to i) the spectral transmission at the interfaces of the layer, ii) the spectral reflectance at the interfaces of the layer, iii) the spectral absorption in the layer volume, and iv) the spectral scattering in the layer volume; b) a resulting reflectance value is ascertained from the determined values in relation to the layer sequence by following the various light paths in a sequential course through the layers.

Dependencies are inferred from the claim text.