Survey over Santiago, Chile from 2014 SPOT imagery

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Dataset Information

10m resolution point cloud over Santiago in Chile. Created using stereo SPOT imagery taken in 2014.

opentopoID: OTDS.022021.32719.2
DOI: https://doi.org/10.5069/G97M064K
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud
Dataset Acknowledgement: Hussain, E., Elliott, J.R., Silva, V., Vilar-Vega, M. and Kane, D., 2020. Contrasting seismic risk for Santiago, Chile, from near-field and distant earthquake sources. Natural Hazards and Earth System Sciences, 20(5), pp.1533-1555.
Dataset Citation: Hussain, E. (2021). Survey over Santiago, Chile from 2014 SPOT imagery. Distributed by OpenTopography. https://doi.org/10.5069/G97M064K. Accessed: 2024-12-26
Survey Area: 1,695.33 km2
Publication Date: 02/18/2021
Number of lidar returns: 82,528,956 pts
Point Density: 0.05 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 19S [EPSG: 32719]

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3D Point Cloud Viewer


Spatial Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     spot_point_cloud_UTM.laz     451.81 MB     82,528,956     1,695,327,752     0.05         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 19S",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",-69],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32719"]],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): [-33.3002422, -70.43040237, 3264.45]
South-West (lat,lon,elev): [-33.64988572, -70.82271734, 407.13]

Coordinates Boundary:
North-East (X,Y): 366834.29, 6313956.76]
South-West (X,Y): 330967.52, 6275738.04]

Classifications:
Class 0 (Created, never classified)82,242,426
Class 7 (Low Point (noise))286,530
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