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Received:September 13, 2012 Revised:October 26, 2012
Received:September 13, 2012 Revised:October 26, 2012
中文摘要: 根据WorldWind的插件扩展机制, 研究了在WorldWind上显示网络瓦片地图的一些关键知识和技术, 如网络瓦片地图使用的坐标投影、插件加载、下载瓦片的过程和本地文件缓存以及内存缓存等, 最后实现了网络瓦片地图的插件, 并提出优化瓦片地图的一些方法.
中文关键词: World Wind 网络瓦片地图 插件 多线程队列 缓存
Abstract:According to extension mechanism of the World Wind plugin, this paper studies some of knowledge and technology about displaying tile map, such as the tile map coordinates projection, the plug-in loaded, the download process of the tiles and the local file cache and memory cache etc., and finally achieves the the tile map plugin, and puts forward a number of methods to optimize the tile map.
keywords: World Wind tile map plugin multi-thread queue cache
文章编号： 中图分类号： 文献标志码：
基金项目:
| Author Name | Affiliation |
| YANG Long | City & Environment Institute, Liaoning Normal University, Dalian 116029, China |
| LI Jia | City & Environment Institute, Liaoning Normal University, Dalian 116029, China |
| Author Name | Affiliation |
| YANG Long | City & Environment Institute, Liaoning Normal University, Dalian 116029, China |
| LI Jia | City & Environment Institute, Liaoning Normal University, Dalian 116029, China |
引用文本：
杨龙,李家.World Wind瓦片地图插件设计与实现.计算机系统应用,2013,22(4):178-181
YANG Long,LI Jia.Design and Implementation of Tile Map Plugin Based on World Wind.COMPUTER SYSTEMS APPLICATIONS,2013,22(4):178-181
杨龙,李家.World Wind瓦片地图插件设计与实现.计算机系统应用,2013,22(4):178-181
YANG Long,LI Jia.Design and Implementation of Tile Map Plugin Based on World Wind.COMPUTER SYSTEMS APPLICATIONS,2013,22(4):178-181
