Digital Elevation Model (DEM) - ASCII 2m
收藏OPEN DATA NETWORK2024-11-22 更新2024-10-26 收录
下载链接:
https://www.opendatanetwork.com/dataset/data.calgary.ca/eink-tu9p
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资源简介:
A highly accurate elevation dataset of ground surface topography, derived from aerial Light Detection and Ranging (LiDAR). This 2m resolution version of the bare-Earth LiDAR DEM can be used for a wide range of applications such as 3D spatial analysis (slope calculations, profile creation, volumetric computations), engineering applications (land developments, road design, flood modelling) and 3D terrain visualizations, just to name a few. To learn more, view the attached metadata PDF documents. DEM of 1m and 20cm resolution are also available on <a href="https://cityonline.calgary.ca/col_ccu/geospatial-data/5637145358.c">Cityonline.calgary.ca</a> Two versions are available for download in separate zip files. The first contains a citywide DEM file in ESRI ArcGrid ASCII (.asc) format. The compressed file for download is 0.5 GB. The uncompressed file is 4.2 GB. A second zip file contains the same DEM but it is split into smaller files, tiled by Alberta Township System (ATS) sections. The compressed file for download is 0.6 GB. The uncompressed files are 3.0 GB in total for all sections.
提供机构:
data.calgary.ca



