Vydavatel National Oceanic and Atmospheric Administration, Department of Commerce
Datum vydání před více než 9 roky
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TerraPoint surveyed and created this data for the Puget Sound LiDAR Consortium under contract. The area surveyed is approximately 1,146 square miles and covers part of Kitsap Peninsula, the Seattle area north to the King-Snohomish county border and east to Snoqualmie. The data is broken down into USGS quarter quads and then into 25 tiles within each quarter quad. All data was collected during ideal conditions (leaf-off). The LAS files were derived from all returns ASCII files contain the X,Y,Z values of all the LiDAR returns collected during the survey mission. The standard GPS time, scan angle, intensity and return numbers of each point were preserved in the conversion from ASCII to LAS. The LAS files are unclassified. Futher details are available in the Process Steps below. This dataset was flown in 2000 with a 50% overlap between flight lines. Due to the overlap the nominal point spacing of the dataset is 1.0 meter. Several small areas in this project were reflown in 2002.