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应用于村镇信息自助平台的电子地图构件关键技术研究
引用本文:常燕,刘纯波,梁星涛,刘素红.应用于村镇信息自助平台的电子地图构件关键技术研究[J].地理信息世界,2009,7(6):57-62,71.
作者姓名:常燕  刘纯波  梁星涛  刘素红
作者单位:1. 北京师范大学地理学与遥感科学学院,北京,100875
2. 中国科学院遥感应用研究所,北京,100101
3. 北京天宇数字城市科技有限公司,北京,100086
基金项目:国家科技支撑计划项目资助(2006BAJ09B0301): 
摘    要:从构件化村镇信息自助平台的低成本、易定制的特点出发,针对其中电子地图构件在地图浏览和交互查询中存在的网络负载大、响应速度慢等技术问题,研究了传统We-bGIS空间数据网络发布模式及其不足,探讨了基于AJAX、地图切片、多级缓存技术的电子地图发布解决方案,并实现了在村镇信息自助平台上的应用.

关 键 词:空间数据  电子地图  地图切片  多级缓存  低成本

Research on the Key Technologies of Electronic Map Component Applying to County Self-assist Platform
CHANG Yan,LIU Chun-bo,HANG Xing-tao,LIU Su-hong.Research on the Key Technologies of Electronic Map Component Applying to County Self-assist Platform[J].Geomatics World,2009,7(6):57-62,71.
Authors:CHANG Yan  LIU Chun-bo  HANG Xing-tao  LIU Su-hong
Institution:CHANG Yan1,LIU Chun-bo2,LIANG Xing-tao3,LIU Su-hong1(1.School of Geography,Beijing Normal University,Beijing 100875,China,2.Institute of Remote Sensing Applications,Chinese Academy of Sciences,Beijing 100101,3.Beijing SpaceWare High Tech Co.,LTD,Beijing 100086,China)
Abstract:To solve the problems such as heavy network loading and a slow response speed that exist in map browsing and interactive query of the electric map component applied to a lowcost easy-customized component based county self-assist platform,this paper analyzed the spatial data web publishing module of traditional WebGIS as well as its disadvantages.And then it discussed the electric map publishing solution based on AJAX,map tile and multicache technology.At last,it implemented the electronic map component appl...
Keywords:WebGIS  MAX
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