Survey 2 of the petroglyph scarps on NW of Ili Basin, Kazakhstan, July 2014

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Dataset Information

This point cloud, DEM and orthophotography data are derived from photos taken by a compact digital camera (Ricoh GR Digital II) suspended from a helium filled Helikite (Allsopp Helikite Ltd.) by Agisoft Photoscan Professional software. This dataset captured the most western part of a series of scarps in the NW Ili Basin, Kazakhstan

opentopoID: OTDS.082023.32644.1
DOI: https://doi.org/10.5069/G91Z42M9
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Walker, R. (2023). Survey 2 of the petroglyph scarps on NW of Ili Basin, Kazakhstan, July 2014. Distributed by OpenTopography. https://doi.org/10.5069/G91Z42M9 Accessed: 2025-08-30
Survey Date: 07/25/2014
Survey Area: 4.24 km2
Publication Date: 08/11/2023
Total Number of Points: 157,069,948 pts
Point Density: 37.04 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 44N [EPSG: 32644]

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Spatial Extent
Point Cloud Extent Raster Extent

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    Point Cloud
  File Name Size Points Area (m2) Density  
1     pt14_dense_utm44n.laz     1006.90 MB     157,069,948     4,240,779     37.04         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"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],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"]],AUTHORITY["EPSG","32644"]],VERT_CS["unknown",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): (44.375071158982465, 79.31903596338499, 1658.115)
South-West (Lat, Lon, Elevation): (44.34024581171136, 79.17401263841549, 1399.701)

Projected Coordinates (X, Y) - EPSG:32644
North-East (X, Y): (366081.655, 4914906.6)
South-West (X, Y): (354441.691, 4911285.697)

Classifications:
Class 0 (Created, never classified)157,069,948
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     petroglyph14_dense_utm44N_0.3m.gmtdem.tif     1.78 GB     0.3 meter     38881 x 12289     Digital Surface Model (DSM)             File Metadata    
SpatialReference 
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"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (44.375667996842104, 79.31932435494952)
South-West (Lat, Lon): (44.34024328600203, 79.17400895344944)

Projected Coordinates (X, Y) - EPSG:32644
North-East (X, Y): (366105.991, 4914972.423)
South-West (X, Y): (354441.391, 4911285.423)
2     pt14_orthophotos_50cm.tif     57.11 MB     0.5 meter     28907 x 7476     Orthophotograph             File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 44N",     GEOGCS["WGS 84",         DATUM["WGS_1984",             SPHEROID["WGS 84",6378137,298.257223563,                 AUTHORITY["EPSG","7030"]],             TOWGS84[0,0,0,0,0,0,0],             AUTHORITY["EPSG","6326"]],         PRIMEM["Greenwich",0],         UNIT["degree",0.0174532925199433],         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"]],     AUTHORITY["EPSG","32644"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (44.375083760179116, 79.31904861930374)
South-West (Lat, Lon): (44.33863521031889, 79.13878191348604)

Projected Coordinates (X, Y) - EPSG:32644
North-East (X, Y): (366082.692, 4914907.979)
South-West (X, Y): (351629.192, 4911169.979)
  Summary 1.84 GB            
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