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http://eprints.org/relation/isVersionOf https://data.ub.uni-muenchen.de/id/document/1756 http://eprints.org/relation/isVolatileVersionOf https://data.ub.uni-muenchen.de/id/document/1756 http://eprints.org/relation/isIndexCodesVersionOf https://data.ub.uni-muenchen.de/id/document/1756 archive 885 disk0/00/00/03/11 2022-09-30 08:20:40 2022-10-05 14:48:54 2022-10-05 14:48:54 data show Notes: This archive contains a cyclone simulation as png/csv files and as Unreal Engine 4.27 assets. Documentation can be found in the linked git repository. Abstract: I present a concept for visualizing realistic volumetric clouds in real-time in the Unreal Engine using a scientific weather simulation as a basis. From the simulation files, I extract and compress non-linearly spaced variables such as cloud density, rainfall, and wind speed. Cloud density is used as the basis for ray-marched volumetric clouds in Unreal Engine. The clouds use wind speed as a flow map and rain density as a color map. I add Voronoi noise to the clouds and mask it with wind speed to add dynamic detail. I am also able to animate all time steps of the simulation in real-time. A user study shows that most of the added effects improve realism and my implementation is five out of six times more realistic than previous methods. The median performance of a playable prototype on consumer-grade hardware is 128~FPS and meets the performance target. eng Kenkenberg Alexander 2022-09-28 500 530 10.5282/ubm/data.311 https://doi.org/10.5282/ubm/data.311 1.6 public Volumetric Cloud Unreal Engine Python Real Time Simulation Meteorological Simulation en cc-by Kenkenberg Alexander https://gitlab.lrz.de/kenkenberg/cloud-thesis fak16 fak17