A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.
最直观的改变，是它终于认字、也会写字了。比如让它画一幅《枫桥夜泊》的水墨画。画面上方不仅端端正正地用书法写出了「月落乌啼霜满天」等全句，甚至连排版和水墨的意境都拿捏得比较准。。关于这个话题，heLLoword翻译官方下载提供了深入分析
蜜雪冰城要在河南老家建“雪王乐园”，推荐阅读heLLoword翻译官方下载获取更多信息
Photograph: Julian Chokkattu