Point clouds derived from satellite imagery, Ugam-Chatkal, Uzbekistan 2015

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Dataset Information

This dataset contains a ~10 km long section of a fault trace in the Ugam-Chatkal National Park in northeastern Uzbekistan. The point cloud data were derived via photogrammetric methods by Leica Photogrammetry Suite built in ERDAS Imagine from data acquired by Airbus Defence and Space (Pleiades bi-stereo optical imagery).

opentopoID: OTDS.072023.32641.1
DOI: https://doi.org/10.5069/G9KW5D8M
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Walker, R., Tsai, C. (2023). Point clouds derived from satellite imagery, Ugam-Chatkal, Uzbekistan 2015. Distributed by OpenTopography. https://doi.org/10.5069/G9KW5D8M Accessed: 2025-04-21
Survey Date: 08/05/2015
Survey Area: 201.58 km2
Publication Date: 07/07/2023
Total Number of Points: 77,733,263 pts
Point Density: 0.39 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 41N [EPSG: 32641]

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Spatial Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     uzbek_merged.las     1.88 GB     77,733,263     201,584,937     0.39         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 41N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32641"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2020  16.6.0.1217Unable to match Vertical Coordinate System to a VerticalCSTypeGeoKey valueEllipsoid = WGS 84Datum = WGS 84",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (41.960128682694446, 70.65823516907324, 3689.865)
South-West (Lat, Lon, Elevation): (41.794895428295135, 70.40764955637101, 1143.636)

Projected Coordinates (X, Y) - EPSG:32641
North-East (X, Y): (1134831.941, 4673805.982)
South-West (X, Y): (1115641.071, 4653606.564)

Classifications:
Class 0 (Created, never classified)77,665,345
Class 7 (Low Point (noise))67,918
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