Aiding design with constraints: an extension of quad trees in order to deal with piecewise functions.

Michel Aldanondo Élise Vareilles Khaled Hadj-Hamou Paul Gaborit Aiding design with constraints: an extension of quad trees in order to deal with piecewise functions. 353-365 2008 21 Int. J. Computer Integrated Manufacturing 4 http://dx.doi.org/10.1080/09511920701575278 db/journals/ijcim/ijcim21.html#AldanondoVHG08