This part of ISO 13565 describes a filtering method for use with surface that have deep valleys below a more finely finished plateau with a relatively small amount of waviness.
DS/ISO 13565-1:1997 history
1997DS/ISO 13565-1:1997 Geometrical Product Specifications (GPS) - Surface texture: Profile method; Surfaces having stratified functional properties - Part 1: Filtering and general measurement conditions