Ink Diffusion Simulation for 3D Virtual Calligraphy
Jungpil Shin and Makoto Marumoto
Graduate School of Computer Science and Engineering, The University of Aizu, Aizu-Wakamatsu City, Fukushima 965-8580, Japan
Calligraphy is one of traditional culture in Japan. In calligraphy, writers express their feeling by using various shapes of strokes and various effects such as scratchiness and ink diffusion phenomenon. Therefore, scratchiness and ink diffusion phenomenon are crucial features in calligraphy. The purpose of this paper is realization of ink diffusion phenomenon which is one of the important features in 3D Virtual Calligraphy Simulation. Ink diffusion phenomenon is influenced by various factors such as the conditions of the ink, paper, and brush. In this paper, the extent of ink diffusion phenomenon and ink color is considered on density of ink and quantity of water. Considering these factors, to express ink diffusion phenomenon in 3D Virtual Calligraphy Simulation in real time, new drop model was used. Ink diffusion phenomenon occurs when ink is diffused circularly. Using this principle, we created a drop model and realized ink diffusion phenomenon. With this method, a feathery, blurred edge that is characteristic of ink diffusion phenomenon is also able to be expressed.
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