quadvt.用空铅填abbr.四边形（=quadrangle)abbr.四组；四胞胎之一（=quadruplet)abbr.四声道的（=quadraphonic）abbr.四头肌（=quadriceps）abbr.空铅；铅块（=quadrat）n.四方院子；四胞胎之一；嵌条；成套的四件东西Quadrula方壳虫属

1. In this paper, The quadtree is adopted to divide polygons to realize color filling and calculation of polygons are also introduced.
   本文采用四叉树分割多边形，用以实现多边形的色彩填充及其相互之间的运算。