LIDAR is a scanning system attached to the belly of a low-flying aircraft in order to pulse laser light at the surface of the Earth. This light is reflected back up to the system, where it is measured, creating a reliable reading of the 3D shape of the ground below.
The Lidar data comes in two maps, featuring selected areas of Dublin. The areas can be viewed on this Lidar map.

This mapping is Bare Earth filtered data, mapped by surveyors and omitting buildings and other topography. This provides bare ground topography, useful for getting an overview of the contours of an area, but not providing details of height of buildings.
Lidar data for the areas shown on the above map is available to obtain, for free, in Richview Library. It is strictly for educational use by staff and students of UCD.
Terms and conditions for use of OSI material must be adhered to when using this data.
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