Suggested readings:

Reference textbook: M. de Berg, O. Cheong, M. van Kreveld, M. Overmars "Computational Geometry: Algorithms and Applications" Springer-Verlag, 2008 (3rd edition)

Further material (in Italian):

A. Pascoletti "Primi elementi di Geometria Computazionale piana" Appunti del corso a.a. 2011-12