Digital Elevation Model of Gedemsa volcano, Ethiopia

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Dataset Information

The point cloud and raster DEM were generated from Pleiades stereo panchromatic optical images with 50 cm resolution. The data were processed using the Leica Photogrammetry Suite within ERDAS Imagine.

opentopoID: OTDS.022019.32637.2
DOI: https://doi.org/10.5069/G94J0C6X
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: Funding for Pleiades imagery was provided by a grant from COMET (NERC Centre for the Observation and Modelling of Earthquakes, Volcanoes, and Tectonics). Processing work was supported by a studentship from NERC as part of the Environmental Research DTP (University of Oxford).
Dataset Citation: Hunt, J. (2019). Digital Elevation Model of Gedemsa volcano, Ethiopia. Distributed by OpenTopography. https://doi.org/10.5069/G94J0C6X. Accessed: 2025-04-03
Survey Date: 03/23/2014
Survey Area: 184.55 km2
Publication Date: 02/07/2019
Total Number of Points: 119,016,088 pts
Point Density: 0.64 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 37N [EPSG: 32637]

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3D Point Cloud Viewer


Spatial Extent
Point Cloud Extent Raster Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     ge.laz     787.28 MB     119,016,088     193,046,337     0.62         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 37N",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",39],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","32637"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2016  16.0.0.75Unable 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): (8.421862732, 39.26499884, 1949.009)
South-West (Lat, Lon, Elevation): (8.277041523, 39.09002607, 1465.723)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (529171.9561, 930937.0536)
South-West (X, Y): (509913.9894, 914935.1357)

Classifications:
Class 0 (Created, never classified)118,909,031
Class 7 (Low Point (noise))107,057
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     gedemsa_1_1.tif     365.38 MB     0.5 meter     12823 x 15898                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 37N",     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",39],     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","32637"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (8.421169653188114, 39.14844438151242)
South-West (Lat, Lon): (8.349285690962443, 39.09018558750056)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (516341.24, 930862.39)
South-West (X, Y): (509929.74, 922913.39)
2     gedemsa_1_2.tif     669.45 MB     0.5 meter     12823 x 15898                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 37N",     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",39],     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","32637"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (8.421143332017756, 39.20668644309328)
South-West (Lat, Lon): (8.349268156281687, 39.14841710474494)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (522752.74, 930862.39)
South-West (X, Y): (516341.24, 922913.39)
3     gedemsa_1_3.tif     455.56 MB     0.5 meter     12823 x 15898                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 37N",     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",39],     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","32637"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (8.421108377598003, 39.26492828514533)
South-West (Lat, Lon): (8.349242062947019, 39.20664846446237)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (529164.24, 930862.39)
South-West (X, Y): (522752.74, 922913.39)
4     gedemsa_2_1.tif     356.02 MB     0.5 meter     12823 x 15898                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 37N",     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",39],     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","32637"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (8.349268156281687, 39.14841710474494)
South-West (Lat, Lon): (8.277383780536749, 39.09016915987303)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (516341.24, 922913.39)
South-West (X, Y): (509929.74, 914964.39)
5     gedemsa_2_2.tif     637.31 MB     0.5 meter     12823 x 15898                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 37N",     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",39],     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","32637"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (8.349242062947019, 39.20664846446237)
South-West (Lat, Lon): (8.277366398907567, 39.14839007011438)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (522752.74, 922913.39)
South-West (X, Y): (516341.24, 914964.39)
6     gedemsa_2_3.tif     393.24 MB     0.5 meter     12823 x 15898                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 37N",     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",39],     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","32637"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (8.349207411092195, 39.26487960484824)
South-West (Lat, Lon): (8.277340533328712, 39.206610822969154)

Projected Coordinates (X, Y) - EPSG:32637
North-East (X, Y): (529164.24, 922913.39)
South-West (X, Y): (522752.74, 914964.39)
  Summary 2.81 GB            
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