Google Map数字栅格地图算法及应用 关键词：栅格地图；墨卡托投影；瓦片；地理信息系统 [gap=912]Key words：raster map；Mercator projection；tile；GIS
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raster map image 像素地图
raster map layers 栅格图层
digital raster map 数字栅格地图
raster map database 栅格地图数据库
Raster Map Compression 栅格地图压缩
raster map recognition system 栅格地图识别输入系统
raster topographic map 栅格地形图
Raster Traffic Map Image 栅格交通地图图象
The combination of WEBGIS and raster map provides a better solution to web 3D digital landscape map releasing. Based on .
4、基于栅格地图的WEBGIS发布技术开发WEBGIS与栅格地图的结合,为网络景观电子地图的发布提供了较好的解决思路。
参考来源 - 网络景观电子地图的设计与研发This article discusses the theory of geometry rectification of raster map. It puts forward a precise and rapid method of geometry rectification based on examples, and presents the approaches to realization which can be widely used in operations.
本文论述了像素地图几何纠正的原理,在实例的基础上,提出了一种精度高、速度快的几何纠正方法,给出具体的实现步骤,可广泛应用于作业。
参考来源 - 像素地图几何纠正方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, the experiment demonstrates that the method is a highly efficient scheme to automatically convert classified raster map to general format GIS data.
实验表明，该方法是一种由遥感分类图自动转换成g IS通用数据的高效方案。
In this paper, we analyzed the relations between pixel and pixel in the classified raster map. Based on the relations, all vector points and the connection information between them can be extracted.
本文通过分析遥感分类图栅格像元之间的关系，快速自动地提取矢量数据点及其连接信息，进而利用连接信息快速生成弧段，由弧段自动组建多边形并建立完整的拓扑关系。
Vector data require far less storage than raster data because arc node lists simplify and reduce the data required to make sense of the features contained in the map.
矢量数据要求的存储要比栅格数据少得多，因为弧节点列表简化并减少了表示地图中包含的特征所需的数据。
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