OSNI Open Data - Coverage Grid - 10K

National Grid Reference System for Northern Ireland composed of 292 sheets and provides the naming convention for the 1:10 000 scale mapping. The 10k Grid is published here for Open Data and can be used as a reference system for the download of the DTM and the Mid Scale Raster map. The OSNI 1:10,000 raster grid is referenced to the Irish Grid, with each tile covering a quarter of an Irish Grid sheet. Each tile covers 4.8 km x 3.2 km and there are 1058 tiles covering Northern Ireland.北爱尔兰国家网格参考系统（National Grid Reference System）共计292幅图幅，为1:1万比例尺地图制定了命名规范。该1万比例尺网格现已作为开放数据公开发布，可作为数字地形模型（Digital Terrain Model, DTM）及中比例尺栅格地图下载的参考系统。 OSNI 1:1万栅格网格参照爱尔兰网格（Irish Grid）构建，每个图块覆盖1/4幅爱尔兰网格图幅。单图块尺寸为4.8千米×3.2千米，北爱尔兰全境共计1058个此类图块。