一共8个代码（在TC环境下实现，都是关于图形方面） chess 国际象棋棋盘 citywall 城墙模型 diagrams 统计图 draw 随机绘图（山水画） fivestar 五星红旗（国旗） leafs 百叶图 march 红花绿叶图 olympic 奥运五环

一个用OpenGL实现的深秋巷子落叶飘下的实现，比较逼真。-Using OpenGL to achieve a late autumn leaf alley under the realization of a realistic comparison.

程序绘制经典混沌图形,包括叶片,曼德布图等.-classic photos of chaos, such as leafs, mandbolt,etc.

Kd-trees are data structures which are used to store points in k-dimensional space. As it follows its name, kd-tree is a tree. Tree leafs store points of the dataset (one or several points in each leaf). Each point is stored in one and only one leaf,