OSNI Open Data - Largescale Boundaries - Townlands

The OSNI Largescale Townlands is a polygon dataset consisting of the Townland boundaries. Townlands are an ancient method of land measurement found only in Ireland and can be very important in genealogical research. These small areas of land can vary in size from a few acres upwards. The data has been derived from OSNI Largescale database and has been topologically cleansed and attributed to create a seamless dataset.<div><br /></div><div>Please Note for Open Data NI Users: Esri Rest API is not Broken, it will not open on its own in a Web Browser but can be copied and used in Desktop and Webmaps<br /></div>

OSNI 大规模城镇地界数据集系由多边形构成的地理数据集，其中包含了城镇地界的边界信息。城镇地界是一种古老的土地测量方法，仅存在于爱尔兰，对于家谱研究具有极其重要的价值。这些小块土地的面积大小不等，从数英亩至上百英亩不等。该数据源自 OSNI 大规模数据库，经过拓扑清洗和属性赋值，以构建一个无缝的数据集。<div><br /></div><div>请注意，对于 Open Data NI 用户：Esri Rest API 并未损坏，它不会在网页浏览器中自动打开，但可以复制并用于桌面和网络地图中。</div>