Electromagnetic environment visualization based on subdivision grids

DOI:	10.11809/bqzbgcxb2023.03.042
Keywords:	subdivision grid; electromagnetic environment; visualization; surface rendering; Marching Curbs algorithm
Abstract:	Focusing on the problems of inefficient 3D reconstruction and poor visualization effect of electromagnetic fields, this paper studies from three aspects, including data organization, visualization drawing algorithm and visualization content. The organization model of the electromagnetic field data is established based on subdivision grids to improve the ability of organizing and managing the electromagnetic field data. In terms of visualization drawing algorithm, mutual conversion of the data organized by grids of different grain sizes to find the isosurface effectively avoids the problem of a large number of invalid data cube traversal in this process through Marching Cubes algorithm, the classical algorithm of surface rendering. Compared with the Marching Cubes algorithm, this method improves the drawing efficiency by more than 30%. In order to enhance the detailed features of data visualization, the detailed internal features of the electromagnetic environment are visualized by subdivision of the three dimensions of longitude, latitude and height, and the electromagnetic field intensity distribution of different longitude, latitude and height in the spatial range is also visualized through the supplementation of interactive operations.
Published:	2023-03-28
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