Name: IE GSI LiDAR Coverage TII IE26 ITM

Display Field: LOCATION

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Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN>LiDAR (Light Detection and Ranging) is a remote sensing technology, i.e. the technology is not in direct contact with what is being measured. From satellite, aeroplane or helicopter, a LiDAR system sends a light pulse to the ground. This pulse hits the ground and returns back to a sensor on the system. The time is recorded to measure how long it takes for this light to return.</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Knowing this time measurement scientists are able to create topography maps.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>LiDAR data are collected as points (X,Y,Z (x &amp; y coordinates) and z (height)). The data is then converted into gridded (GeoTIFF) data to create a Digital Terrain Model and Digital Surface Model of the earth. This LiDAR data was collected between May 2010 and May 2011.</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>This data shows the areas in Ireland for which you can download LiDAR data and contains links to download the data. </SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>This is a vector dataset. Vector data portray the world using points, lines, and polygons (areas).</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>The LiDAR coverage is shown as polygons. Each polygon is 2000m by 2000m in size and holds information on:</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Location - County the data is located in.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Data Provider - Who provided the data.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Data URL - A link to download the LiDAR raster data in 2000m by 2000m sections.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>General Comment - Licencing details.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Published Date - Date the data was published online.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Data Owner Identifier –Data owner.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Data Surveyor –Data collector.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>RMS Error - Root Mean Square Error in the z.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Capture Date -Date data was captured.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Resolution - Horizontal resolution of the data - grid cell size.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Data Originator –Organisation the data originates from.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P></DIV></DIV></DIV>

Service Item Id: ae6cb8c2d57a47b3be229f59524eaea1

Copyright Text: Contains Irish Public Sector Data (Geological Survey Ireland & Transport Infrastructure Ireland) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence.

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