java实现的分形DLA模型，可以用来学习的图形画法。-java realized DLA fractal model, can be used to study painting graphics.

DLA模型——垂直演化 直线干预，public class dla extends Applet implements Runnable-DLA model- the vertical evolution of straight-line intervention, public class dla extends Applet implements Runnable

用DLA模型模拟植物的生长源代码。双击dla.html文件，程序运行；双击dla.java文件，进入编辑环境。-DLA model simulation with the growth of plants the source code. Double-click dla.html files, program operation dla.java double-click the file, enter the editing environment.