This algorithm is about rendering new material models that can represent the imperfect materials like scratched coating and metallic flakes on carpaint, a leather sofa, wooden floor, or a teapot.

该算法是用来渲染一种新的材料模型，它可以表现出划开的涂层以及汽车漆上的金属颗粒、皮革沙发、木地板甚至茶壶等不完美的材料。