1. Definition of data visualization

Datavisualization technologies can be defined as the set of tools and methods for graphic representation, based on computer, mathematical and semiological techniques that implement spatialization algorithms to represent a set of data on a map.

According to the authors, the scope covered by datavisualization can vary from the restricted field of traditional graphics to all attempts at data representation, from artistic graphics to those generated by Excel . On the other hand, one of the characteristics of datavisualization is that it works with raw, unstructured data to reveal its organization. Its function is to make this structure...