System for marking height levels along profile - using marking lines with varying line thickness cyclically repeated

摘要

An arrangement to mark height levels along a profile in order to provide a map representation, using marking lines with the successive height levels being indicated by marking lines (2-4) of differing line thickness and the thickness of the lines being cyclically repeated. An auxiliary marking (1) is periodically marked along the length of the repeating line markings (2-4), and the distance between two auxiliary markings (1) is different to the distance over which one set of line markings (2-4) extends. The line markings can be provided along a parallel set of profile lines in order to provide a relief map representation.