摘要
将计算机三维模型简化中的LOD技术思想引入到电子地图的显示中 ,通过一定的算法 ,建立了图层、点状要素、线状要素、面状要素、注记、栅格图像的LOD模型 ,实现了地图数据的多分辨率、快速显示。
Introducing the LOD technology of 3D model in computer to the display of electronic map, this paper constructs the LOD models of layer, point feature, line feature, polygon feature, annotation, raster image by means of some algorithms, and realizes the multiscale and quick display of map data,not affecting the display of electronic map.
出处
《测绘信息与工程》
2004年第5期19-21,共3页
Journal of Geomatics
