A practical 3d brush model system was put forward from ink-waterdrawing principle to accurately simulate geometry states and interactive behavior of brush.
从水墨画成画机理出发提出一个实用的3d毛笔模型系统，精确模拟毛笔几何形态及运动弯曲等动态交互行为。
2
Wash drawing: a drawing made by a brush in washes with a single pigment of black or dark colour soluble in water, to be reproduced by the half-tone process.
水墨画：用毛笔沾溶于水的黑色或深暗颜色绘画有浓淡色调的单色画。复制时，需用半色调方法。
3
Canvas is painted in light colors, thrilling stroke of the brush and linear drawing lead us to romantic human vision that have no concrete body, but embrace lucidity of sky, water and ground.