Point clouds derived from satellite imagery, Tacheng, China, 2019

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Dataset Information

This dataset contains a ~50 km long section of the North Tacheng Fault at the northern Tacheng Basin in China. 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.062023.32644.3
DOI: https://doi.org/10.5069/G98P5XQS
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Tsai, C. (2023). Point clouds derived from satellite imagery, Tacheng, China, 2019. Distributed by OpenTopography. https://doi.org/10.5069/G98P5XQS Accessed: 2025-01-03
Survey Date: 06/29/2019 - 07/17/2019
Survey Area: 727.4 km2
Publication Date: 06/14/2023
Number of lidar returns: 611,908,363 pts
Point Density: 0.84 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 44N [EPSG: 32644]

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3D Point Cloud Viewer
3D Point Cloud Viewer is not yet available for this dataset.


Spatial Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     at_tarb_1_cloud_utm44n.laz     375.79 MB     52,146,686     181,097,050     0.29         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 44N",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",81],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","32644"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Lat/Lon/Elevation Boundary:
North-East (lat,lon,elev): [46.90234445956224, 84.07507407022038, 1779.012]
South-West (lat,lon,elev): [46.79109663472445, 83.80362977362599, 637.807]

Coordinates Boundary:
North-East (X,Y): 734202.5535, 5198903.372]
South-West (X,Y): 713971.6818, 5185767.007]

Classifications:
Class 0 (Created, never classified)52,094,781
Class 7 (Low Point (noise))51,905
2     at_tarb_2_cloud_utm44n.laz     1.66 GB     243,615,507     233,678,360     1.04         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 44N",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",81],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","32644"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Lat/Lon/Elevation Boundary:
North-East (lat,lon,elev): [46.87227004836476, 84.30791604413118, 1248.991]
South-West (lat,lon,elev): [46.76071422674916, 84.02767947291792, 646.553]

Coordinates Boundary:
North-East (X,Y): 752075.9134, 5196283.723]
South-West (X,Y): 731200.2117, 5183025.876]

Classifications:
Class 0 (Created, never classified)243,382,872
Class 7 (Low Point (noise))232,635
3     at_tarb_3_cloud_utm44n.laz     1.37 GB     196,162,266     200,466,907     0.98         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 44N",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",81],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","32644"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Lat/Lon/Elevation Boundary:
North-East (lat,lon,elev): [46.83884412775855, 84.53580627131265, 2181.238]
South-West (lat,lon,elev): [46.75350320105884, 84.26000677701154, 753.114]

Coordinates Boundary:
North-East (X,Y): 769608.0789, 5193327.562]
South-West (X,Y): 748973.3523, 5182934.488]

Classifications:
Class 0 (Created, never classified)195,983,688
Class 7 (Low Point (noise))178,578
4     at_tarb_4_cloud_utm44n.laz     866.96 MB     119,983,904     112,160,622     1.07         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 44N",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",81],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","32644"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Lat/Lon/Elevation Boundary:
North-East (lat,lon,elev): [46.82179361142758, 84.56481881818351, 1740.738]
South-West (lat,lon,elev): [46.75804974638343, 84.38695011574953, 910.002]

Coordinates Boundary:
North-East (X,Y): 771906.2052, 5191533.2]
South-West (X,Y): 758645.8221, 5183849.718]

Classifications:
Class 0 (Created, never classified)119,885,734
Class 7 (Low Point (noise))98,170
  Summary 4.24 GB     611,908,363     727,402,940     0.84      
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