隐式曲面容易生成几何形状, 但是难于绘制。为了解决此缺点, 提出了一种使用 迭代函数系统的点式隐式曲面绘制算法, 它的实现非常简单, 易于编程。-Implicit Surface geometry easy to generate, but difficult to draw. In order to resolve this shortcoming, an iterated function system using the point-implicit surface rendering