Ortho Grid Index 2005

Overview This feature service provides a spatial index grid layer named Ortho Grid 2005, designed to support geographic referencing and indexing for mapping and analysis. The service includes a single vector feature layer representing grid polygons, capturing spatial subdivisions likely used for organizing or cataloging orthographic imagery or other geographically referenced data from the year 2005. Feature Layer Ortho Grid 2005 : This layer contains polygonal grid features identified by unique identifiers and metadata fields. It supports spatial queries and overlays by including geometry attributes such as area and perimeter measurements in decimal form. The grid facilitates efficient spatial data management and retrieval, potentially aiding in indexing orthophotos or other geospatial datasets for the covered region. Geographic Coverage The extent of this feature service covers a defined area with coordinates roughly corresponding to a region within the United States, offering spatial context for the indexed grids and enhancing location-based analysis. Use Cases Organizing and indexing orthophoto datasets for easy access and retrieval. Supporting spatial analyses that require grid-based subdivision of geographic areas. Serving as a base reference framework for environmental, land use, or urban planning projects within the service area.### 概述 本要素服务提供一个名为**Ortho Grid 2005（正射影像格网2005）**的空间索引格网图层（spatial index grid layer），旨在为制图与分析工作提供地理参照与索引支持。本服务仅包含单个矢量要素图层（vector feature layer），用于表示格网多边形，其捕捉的空间分区可用于组织或编目2005年的正射影像或其他地理参照数据。 ### 要素图层：Ortho Grid 2005（正射影像格网2005） 该图层包含由唯一标识符与元数据字段（metadata fields）标识的多边形格网要素。其内置面积、周长等十进制格式的几何属性，支持空间查询（spatial query）与叠加分析（overlay）。本格网可提升空间数据的高效管理与检索效率，助力覆盖区域内正射影像或其他地理空间数据集的索引工作。 ### 地理覆盖范围 本要素服务的覆盖范围为美国境内某一划定坐标区域，可为索引格网提供空间参照语境，强化基于位置的分析能力。 ### 应用场景 1. 组织并索引正射影像数据集，以实现便捷的访问与检索； 2. 支持需要对地理区域进行格网分区的空间分析工作； 3. 为服务覆盖区域内的环境、土地利用或城市规划项目提供基础参照框架。