基于WebGL技术的虚拟地理环境构建方法  

Virtual Geographic Environment Construction Method Based on WebGL Technology

作　　者：傅开鸿 刘茗溪 李朝奎[1] FU Kaihong;LIU Mingxi;LI Chaokui(Hunan Provincial Key Laboratory of Surveying and Mapping Remote Sensing Information Engineering,Hunan University of Science and Technology,Xiangtan 411201,China;School of Earth Sciences and Spatial Information Engineering,Hunan University of Science and Technology,Xiangtan 411201,China;Wuling Power Co.,Ltd.,Changsha 410004,China)

机构地区：[1]湖南科技大学测绘遥感信息工程湖南省重点实验室,湖南湘潭411201 [2]湖南科技大学地球科学与空间信息工程学院,湖南湘潭411201 [3]五凌电力有限公司,湖南长沙410004

出　　处：《湖南科技大学学报（自然科学版）》2023年第2期73-79,共7页Journal of Hunan University of Science And Technology：Natural Science Edition

基　　金：国家重点研发计划资助项目(2018YFB0505401);国家自然科学基金资助项目(42171418);湖南省自然科学基金创新群体项目资助(2020JJ1003)。

摘　　要：针对当前构建虚拟地理环境过程中存在的冗余度高、环境配置复杂、系统硬件要求高、缺少自然环境模拟和真实性较差等问题,利用WebGL技术及Three.js框架在Web端构建基于B/S结构的虚拟地理环境,并以三维虚拟场景为例验证所提方法的可视化效果及可行性.结果表明:综合运用WebGL技术在Web端构建的轻量化虚拟地理环境具有良好的交互性、共享性和真实性.研究结果有助于实现地理信息的可视化,促进虚拟地理环境在各个领域的广泛应用.For the current process of establishing virtual geographic environment(VGE),there are some problems,such as high redundancy,complex computer environment configuration,high system hardware requirements,lack of natural environment simulation,and poor authenticity.This paper tries to use WebGL technology and Three.js framework to establish a VGE based on browser/server structure on the website.The 3D virtual scene is taken as an example to verify the feasibility of the proposed method which proves that establishing lightweight VGE on the website depended on WebGL technology has great interactivity,shareability and authenticity.The research is helpful to realize the visualization of geographic information and promote the wide application of virtual geographic environment in various fields.

关 键 词：虚拟地理环境 WEBGL Three.js 交互漫游 自然环境模拟 碰撞检测 

分 类 号：P209[天文地球—测绘科学与技术]