Thanks to the progress that has taken place in the field of information technology in the last years, both the general and specialized public (e.g. research centres) have gained access to huge quantities of information. However, such data are useless to the user unless he/she knows how to interpret them easily and effectively.
Visualization should be understood as creating, through graphical means, visual representations of a concept, idea or a set of data that cannot be grasped or explained with the help of ordinary methods. Scientific visualization transforms abstract scientific data into image, for instance diagrams that represent mathematical functions or graphs that show communication networks.