Lidar — Pilot project for a 3D survey of Luxembourg territory

Description

Pilot project for an altimeter survey based on airborne laser scanning technology on a surface of 10 km x 10 km around the cities of Ettelbrück and Diekirch. On average, the points were measured with a density of 15 points per square metre and a horizontal accuracy of ± 3 cm and vertical accuracy of ± 6 cm. A [web viewer](http://lidar.geoportail.lu/) based on potree technology ([potree.org](http://potree.org/)) is set up, allowing online viewing of the point cloud. ### Points Cloud — Data Structure The raw data are structured as tiles with a spatial extent of 500 m x 500 m and contain on average between 5 and 7 million measured points. To simplify data processing, raw tiles were grouped into compressed files (zip) with up to 9 raw tiles (representing a spatial extent of 1 500 m x 1 500 m). The assembly board — zip files allows an overview of the grouped tiles and the assembly board — dot clouds contains the link between raw tiles and the compressed file. (See description of related resources) ### Points cloud — point classification The measured points were classified into 7 categories: — Soils, — Vegetation, Water, — Buildings, — Bridges, — Technical installations (distribution network and electricity generation) — Other (unclassified items) ### Digital Field Model (MNT) and Surface (MNS) This dataset contains the MNT and MNS derived from LiDAR data. Detailed description -> see desciption of the corresponding resources. ### Technical orthophoto The technical aerial image (space resolution 10 cm) is available as a WMS service.

Resources

Name Format Description Link
57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-095202/72000-100500.zip
57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-094626/70500-103500.zip
57 https://download.data.public.lu/resources/lidar-projet-pilote-dun-releve-3d-du-territoire-luxembourgeois/20180111-145841/MNT_LIDAR_2017_50cm.zip
57 https://download.data.public.lu/resources/lidar-projet-pilote-dun-releve-3d-du-territoire-luxembourgeois/20180115-091027/LiDAR_15pts_MNS.zip
57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-104152/76500-102000.zip
57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-105710/78000-100500.zip
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15 https://download.data.public.lu/resources/lidar-projet-pilote-dun-releve-3d-du-territoire-luxembourgeois/20171214-091144/tiles_500x500m.geojson
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0 https://github.com/opendatalu/api_examples/blob/master/download_resources.py
57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-112643/81000-103500.zip
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15 https://download.data.public.lu/resources/lidar-projet-pilote-dun-releve-3d-du-territoire-luxembourgeois/20171214-090928/parent_grid_1500x1500m.geojson
57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-094850/70500-106500.zip
0 https://wmts1.geoportail.lu/opendata/service?REQUEST=GetCapabilities
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57 https://download.data.public.lu/resources/lidar-projet-pilot-dun-releve-3d-du-territoire-luxembourgeois/20171212-105912/78000-102000.zip

Tags

  • height
  • point-cloud
  • communes
  • elevation
  • territoire
  • urbanisme
  • lidar
  • technology
  • luxembourg
  • nuage-de-points

Topics

  • REGI
  • TECH

Categories