7WEILER K,ATHERTON P.Hidden surface removal using polygon area sorting[R]//Proceedings of the SIGGRAPH’77.New York:ACM Press,1977:214-222.
8VATTI B R.A Generic solution to polygon clipping[J].Communications of the ACM,1992,35(1):56-63.
9GREINER G,HORMANN K.Efficient clipping of arbitrary polygons[J].ACM Transactions on Graphics,1998,17(2):71-83.
10RIAZ F,ALI K.Applications of graph theory in computer science[C]//2011Third International Conference on Computational Intelligence,Communication Systems and Networks(CICSyN).Bali:CICSyN,2011:142-145.