Weathering Animation of Stone Building by Shared Volume Bo

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In this paper, we propose a method to animate the process of stone buildings weathering due to external factors such as wind and rain. Weathering is a phenomenon that occurs for a very long time, and it is very difficult to observe the process.
This method first prepares a polygon model to be weathered and converts the model to volume data. At this time, the data is converted to volume data using an irregular grid so that it can handle complex shapes. Then, the irregular grid data is multiplied by noise, and the intersection with the original volume data is calculated. In addition, a displacement map due to particle collision is also used from the volume data by the marching cube method so that patterns due to wind and rain can be created.
The method proposed in this paper makes it possible to procedurally control weathered animations and weathered models.

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