loadUltimaData loads Ultima data from XML files and plots them using Maltab's imagesc function. As in previous versions, Version 3.0 runs all scripts from one covering Matlab file, which allows the user to indicate the necessity to still load the data from XML files (in case this has not yet been done), and plot the dataset or part of the dataset according to the user's preferences. Corrections since the previous version (2.0): removal of error when reading the first XML file of a series of XML files: the data loaded from the first XML file started at -80 m, but was stored as if it started from the requested starting distance; the scripts were made applicable for XML files from all known software versions of the Ultima. This Matlab routine was written by Koen Hilgersom (https://github.com/khilgersom). On this set of scripts, the Apache 2.0 license applies (http://www.apache.org/licenses/LICENSE-2.0).