OSNI Open Data - 10M DTM - Sheets 51-100

A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can provide a 3D image of the land surface. This download contains OSNI 10k sheet numbers 51-100. <div><br /></div><div>This is a large dataset and will take sometime to download. Please be patient. This service is published for OpenData. By download or use of this dataset you agree to abide by the LPS Open Government Data Licence.<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</div></div>

数字地形模型（Digital Terrain Model，简称DTM）系由已知高度的规则间隔点构成的数字文件，当与地图或其他数字数据如正射影像相结合时，能够生成地表的3D图像。本下载包含OSNI 10k图幅编号51-100。该数据集规模庞大，下载过程可能需要一定时间，请耐心等待。本服务旨在开放数据（OpenData）发布。通过下载或使用本数据集，您同意遵守LPS开放政府数据许可。请注意，对于开放数据NI用户：Esri Rest API并未损坏，它不会自动在网页浏览器中打开，但可复制并用于桌面和Web地图。