Research on land surface change and 3D visualization based on WebGis and computer graphics

Boyang Guo; Mianqing Zhong

doi:10.1117/12.3019406

23 January 2024 Research on land surface change and 3D visualization based on WebGis and computer graphics

Boyang Guo, Mianqing Zhong

Proceedings Volume 12978, Fourth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2023); 129781T (2024) https://doi.org/10.1117/12.3019406
Event: 2023 4th International Conference on Geology, Mapping and Remote Sensing (ICGMRS 2023), 2023, wuhan, China

Abstract

This article proposes a rapid monitoring and visualization method for surface changes based on multi-temporal DEM and WebGis. Firstly, high-resolution surface images are obtained using drones and processed into a digital elevation model (DEM). Then, mathematical modeling is performed on the surface change units using cubic voxels, and the voxels are rendered and animated in 3D. Finally, Cesium.js is synchronized with THREE.js camera, and the cubic voxels are integrated into the WebGis space. Application in the No. 5 mine pit in Muli Town, Qinghai Province shows that the proposed method has high efficiency in data acquisition and rich visualization effects in analysis results. It can achieve quantitative simulation of surface change processes in a web browser environment. The proposed method has a low cost and a certain ability to generalize, and can be applied to similar fields for change monitoring.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Boyang Guo and Mianqing Zhong "Research on land surface change and 3D visualization based on WebGis and computer graphics", Proc. SPIE 12978, Fourth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2023), 129781T (23 January 2024); https://doi.org/10.1117/12.3019406

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KEYWORDS

Visualization

Voxels

Deformation

Analytical research

Mining

Cameras

Interferometric synthetic aperture radar

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