elevContour2Feet19TFK

Maine Elevation Contours 2 Feet 19TFK. These elevation vector data are derived from LiDAR point cloud data and represent contours generated at a two foot (2') interval covering the majority of the State of Maine. Data are organized in United States National Grid (USNG) 100,000 meter x 100,000 meter grid size in EPSG 6348 Coordinate Reference System (CRS). This organization scheme was chosen to match the grid scheme of the LiDAR data collections that supported creation of this derivative data. Additionally, this scheme provides data sets that are suitable for GIS services, allow rendering in GIS client applications and permits manageable download size. For further information on the construct of these data, refer to the Lineage section of this metadata.缅因州2英尺高程等高线数据（Maine Elevation Contours 2 Feet 19TFK）。该高程矢量数据源自激光雷达（LiDAR）点云数据，以2英尺（2'）为间隔生成等高线，覆盖缅因州大部分区域。数据采用美国国家网格（United States National Grid, USNG）100,000米×100,000米的格网尺寸，并基于EPSG 6348坐标参考系统（Coordinate Reference System, CRS）进行组织。选用此格网组织方案，旨在与支撑该衍生数据生成的激光雷达数据采集格网方案保持一致。此外，该方案生成的数据集可适配地理信息系统（Geographic Information System, GIS）服务，支持在GIS客户端应用中进行渲染，且可实现便于管控的下载规模。如需了解该数据的构建细节，请参阅本元数据的「谱系（Lineage）」章节。