A packing algorithm for non-manhattan hexagon/triangle placement design by using an adaptive o-tree representation.

Jing Li Tan Yan Bo Yang Juebang Yu Chunhui Li A packing algorithm for non-manhattan hexagon/triangle placement design by using an adaptive o-tree representation. 646-651 2004 conf/dac/2004 DAC http://doi.acm.org/10.1145/996566.996743 db/conf/dac/dac2004.html#LiYYYL04