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郑屹, 马雷, 陈彦云, 吴恩华. 基于物理的织物多相流体污染效果模拟[J]. 计算机辅助设计与图形学学报, 2022, 34(2): 315-324. DOI: 10.3724/SP.J.1089.2022.18812
引用本文: 郑屹, 马雷, 陈彦云, 吴恩华. 基于物理的织物多相流体污染效果模拟[J]. 计算机辅助设计与图形学学报, 2022, 34(2): 315-324. DOI: 10.3724/SP.J.1089.2022.18812
Zheng Yi, Ma Lei, Chen Yanyun, Wu Enhua. Physcially Based Multi-Solvent Stains Simulation on Textile[J]. Journal of Computer-Aided Design & Computer Graphics, 2022, 34(2): 315-324. DOI: 10.3724/SP.J.1089.2022.18812
Citation: Zheng Yi, Ma Lei, Chen Yanyun, Wu Enhua. Physcially Based Multi-Solvent Stains Simulation on Textile[J]. Journal of Computer-Aided Design & Computer Graphics, 2022, 34(2): 315-324. DOI: 10.3724/SP.J.1089.2022.18812

基于物理的织物多相流体污染效果模拟

Physcially Based Multi-Solvent Stains Simulation on Textile

  • 摘要: 真实感织物材质渲染在虚拟现实、娱乐、工业等应用领域中是非常关键的研究方向.针对多种污渍在织物表面的扩散与污染效果,提出基于物理的与子像素采样及染色曲线相结合的计算方法,用于模拟多相溶剂在织物表面的扩散及污染效果.首先通过将复杂织物纱线结构进行体素化简化建模,其次通过计算流体之间的可互溶性进行流体扩散模拟,最后通过染色沉淀的方式计算污渍扩散效果.模拟渲染的对比结果表明,通过该方法,可实现单一污渍的独立扩散、多污渍混合及排斥扩散、多污渍染色遗留效果、污渍分布控制等效果,并可达到与真实拍摄的照片近似真实感效果.

     

    Abstract: Realistic fabric material rendering is a very important research direction in virtual reality, entertainment, industrial and other application fields. In this direction, many studies have been made. In this paper, we present a pipeline, including a super sampling and dyeing curve based on the diffusion and staining effect of various stains on the fabric surface. Firstly, virtual fabric structures are modeled by voxel-method to simply fabric yarns. Secondly, the fluid diffusion simulation is carried out by calculating the solubility between multi-solvent stains. Finally, the effect of stain diffusion is calculated by dyeing precipitation.Through this model, we can simulate multi-solvents liquid diffusion and dyeing effects on the surface of the fabric and can reach the degree of photorealism.

     

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