3D水墨线皴渲染的仿真研究与设计

皴法是历代画家根据山石的地质构造外形或树木的表皮状态而创造的表现形式,用来表现山石和树皮的纹理。对3D模型进行皴法渲染主要采用了非物理仿真方法,直接从线皴中典型的披麻皴的外观特征入手,提出了一种在3D模型上仿真披麻皴的方法。首先通过确定笔道位置、控制笔道方向得到笔道关键线,并对其进行风格化处理,再结合笔模型和笔法模型绘制笔道。利用提出的算法能够灵活控制皴法笔道的密度,得到典型的披麻皴效果。

Research and Design of Chinese Ink-Wash Painting Styled 3D TUSN Rendering

Various TSUN techniques,developed by masters over the centuries,are widely used to represent texture strokes of rocks and trees,according to the geological formations of rocks or the surface of trees. Based on observation and summarization of the characteristics of Hemp-fiber,this paper presents a Non-Physics simulation method to simulate Hemp-fiber on 3D models.First,we determine the positions of the stroke paths and control their directions to get critical lines of strokes.Then we process the critical lines with various style measures.At last,the strokes are drawn by the brush model and the brush-style model.This method can control the density of strokes flexibly and generate typical Hemp-fiber effect.