Abstract

We propose an efficient simulation method for clouds by using an adaptive grid structure to cloud simulation. We apply a grid structure proposed by Zhu et al. (ACM Trans Graph 32:63:1–63:2, 2012, [2]) to cloud simulation. This grid is an extension of a uniform grid and dynamically extends the cells surrounding a fine uniform grid while maintaining fine resolution about the regions of interest. Our method keeps track of the cloud distribution and automatically determines the region of interest to generate the optimal grid structure. Our method achieves two times faster computation on average compared to the simulation using a uniform grid.

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