矢量电子地图在线更新方法研究  

Researchon Online Updating Method of Vector Electronic Maps

作　　者：倪慧珠 陈彬 姜陆炯 戴星星 谢静静 徐舒畅[2] NI Huizhu;CHEN Bin;JIANG Lujiong;DAI Xingxing;XIE Jingjing;XU Shuchang(Institute of Spatiotemporal Big Data,Zhejiang Academy of Surveying and Mapping Science and Technology,Hangzhou 311100,China;School of Information Science and Technology,Hangzhou Normal University,Hangzhou 311121,China)

机构地区：[1]浙江省测绘科学技术研究院时空大数据所,浙江杭州311100 [2]杭州师范大学信息科学与技术学院,浙江杭州311121

出　　处：《杭州师范大学学报（自然科学版）》2024年第5期480-486,共7页Journal of Hangzhou Normal University(Natural Science Edition)

摘　　要：以“天地图·浙江”为研究对象,研究矢量电子地图数据的在线更新技术.使用Mapbox矢量瓦片技术提升大规模矢量数据的渲染效率,利用Redis缓存在高存取量方面的优势实现矢量瓦片的高效调度,基于矢量数据节点捕捉技术提高要素在线编辑的效率,利用Rocket MQ消息队列保障多并发环境下的系统稳定性,研发了电子地图在线更新模块.以浙江省某县级市作为试点地区进行要素更新实践,验证了电子地图在线更新技术方法的高效性.Taking“Map World·Zhejiang”as the research object,this paper studied the online update technology of vector electronic map data.Mapbox vector tile technology was used to improve the rendering efficiency of large-scale vector data.The efficient scheduling of vector tiles was realized by using the advantage of Redis cache in high access quantity.Vector data node snap technology was used to improve the efficiency of feature online editing.The Rocket MQ message queue was used to ensure the system stability in the multi-concurrent environment.Through the above key technologies,the online update module of electronic maps was developed,and a county-level city in Zhejiang Province was taken as a pilot area to carry out the practice of element update,which verified the efficiency of the online update method of electronic maps.

关 键 词：矢量电子地图 在线更新 Mapbox矢量瓦片 REDIS 消息队列 

分 类 号：P237[天文地球—摄影测量与遥感]