
Chapter 1
Introduction to virtual reality
Philippe Fuchs and Pascal Guitton
1.1 FOUND ATION OF VIRTUAL RE ALITY
1.1.1 Introduction
It is natural for man to escape from everyday reality for different reasons (artistic,
cultural or professional). Thanks to technological developments, man has been able to
satisfy this need through various but set representations of the world that are mainly
audio or visual. Set in the sense that the user can observe the representation only as
a spectator, be it a painting, a photograph, or a film of real or computer-generated
images. Virtual reality offers him an additional dimension by providing him a virtual
environment ...