The Computational Geometry Algorithms Library CGAL is the largest and most influential collection of algorithms and data structures for geometric computing that is available today. It started off in 1996 as a European research project with a small number of partners. Over the last ten years, it has grown tremendously, now being a major open source project with a lot of infrastructure (see www.c...

The financial and economic crisis has had an adverse impact on the Lithuania’s economy and construction industry. The GDP of Lithuania grew slightly in 2010, in contrast to a decrease of 14.7% in 2009. Lithuania’s GDP increased from 1.3% in 2010 to 4.6% in 2011. Annual GDP growth decreased from its highest point of 6.7%, reached in the third quarter, to 4.4% in the last quarter of 2011 [1,2]. S...