测绘通报 ›› 2026, Vol. 0 ›› Issue (1): 135-139.doi: 10.13474/j.cnki.11-2246.2026.0121

• 技术交流 • 上一篇    下一篇

面向Web应用的海量InSAR点云高效可视化与查询方法

骆晓亮1, 刘凌佳2,3,4,5, 罗津2,3,4,5, 王绿春1, 余伟1, 罗赣2,3,4,5, 高华2,3,4,5   

  1. 1. 中移(江西)虚拟现实科技有限公司, 江西 南昌 330036;
    2. 江西师范大学地理与环境学院, 江西 南昌 330022;
    3. 江西师范大学鄱阳湖湿地与流域研究教育部重点实验室, 江西 南昌 330022;
    4. 江西师范大学自然灾害监测预警与评估江西省重点实验室, 江西 南昌 330022;
    5. 江西师范大学流域生态智能监测与综合治理江西省重点实验室, 江西 南昌 330022
  • 收稿日期:2025-05-28 发布日期:2026-02-03
  • 通讯作者: 罗津。E-mail:luojin@jxnu.edu.cn
  • 作者简介:骆晓亮(1981—),男,高级工程师,研究方向为虚拟现实。E-mail:luoxiaoliang@jx.chinamobile.com
  • 基金资助:
    江西省重点研发计划(20232BBE50021);江西省自然科学基金(20243BCE51115;20242BAB25175);国家自然科学基金(42361069;42330108)

Efficient visualization and query analysis method for massive InSAR point cloud data for Web applications

LUO Xiaoliang1, LIU Lingjia2,3,4,5, LUO Jin2,3,4,5, WANG Lüchun1, YU Wei1, LUO Gan2,3,4,5, GAO Hua2,3,4,5   

  1. 1. ZhongYi (Jiangxi) Virtual Reality Technology Co., Ltd., Nanchang 330036, China;
    2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;
    3. Key Laboratory of Poyang Lake Wetland and Watershed Research Ministry of Education, Nanchang 330022, China;
    4. Jiangxi Provincial Key Laboratory of Natural Disaster Monitoring, Early Warning and Assessment, Nanchang 330022, China;
    5. Jiangxi Provincial Key Laboratory of Intelligent Monitoring and Comprehensive Management of Watershed Ecology, Nanchang 330022, China
  • Received:2025-05-28 Published:2026-02-03

摘要: 干涉合成孔径雷达(InSAR)作为一种可获取大范围、高精度地表形变数据的技术,被广泛应用于地质灾害监测和城市沉降分析。然而,现有WebGIS平台在千万级InSAR点云数据与形变时序数据的高效展示、查询与解译方面存在明显不足,制约了InSAR技术的推广与应用。因此,本文针对InSAR点云数据预处理、存储、浏览与查询等关键技术难题,提出了一套面向Web应用的海量InSAR点云高效可视化与查询方法,并基于Cesium开发了原型系统,最后在6类典型应用场景下测试了系统性能。结果显示,所研发的系统能够流畅实现千万级InSAR点云三维形变序列的展示,原型系统不仅实现了InSAR形变数据的便捷化分发和用户可在线查看,而且实现了形变速率剖面查询、多期形变剖面查询、单点时序查询及预警分析等实用功能,该技术为地表沉降分析提供了技术支撑。

关键词: InSAR, 地表沉降, 海量点云数据, 可视化, Cesium

Abstract: Interferometric synthetic aperture radar (InSAR) is widely used in geological hazard monitoring and urban subsidence analysis as a technology that can obtain large-scale and high-precision surface deformation data.However,the existing WebGIS platform has obvious deficiencies in the efficient display,query and interpretation of tens of millions of InSAR point cloud data and deformation time series data,which restricts the promotion and application of InSAR technology.Therefore,in order to solve the key technical problems such as data preprocessing,storage,browsing and query of InSAR point clouds,this paper proposes a set of efficient visualization and query methods for massive InSAR point clouds in the Web environment,and develops a prototype system based on Cesium.By testing the performance of the system in six typical application scenarios,the results show that the developed system can smoothly realize the display of 3D deformation sequences of tens of millions of InSAR point clouds.The prototype system not only realizes the convenient distribution of InSAR deformation data and users can view it online,but also realizes the practical functions of deformation rate profile query,multi-period deformation profile query,single-point time series query and early warning analysis,which provides technical support for surface settlement analysis.

Key words: InSAR, surface subsidence, massive point cloud data, visualization, Cesium

中图分类号: