Photogrammetric Survey over Ridgecrest, CA 2018
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DOI: https://doi.org/10.5069/G9FQ9TT9
OT Collection ID: OT.122024.6340.1
OT Collection Name: Photogrammetric Survey over Ridgecrest, CA 2018
Short Name: CA18_Brooks
Collection Platform: Structure from Motion / Photogrammetry
OT Collection ID: OT.122024.6340.1
OT Collection Name: Photogrammetric Survey over Ridgecrest, CA 2018
Short Name: CA18_Brooks
Collection Platform: Structure from Motion / Photogrammetry
Download and Access Products:
| Point Cloud Data | Bulk Download | opentopoID: OTLAS.122024.6340.1 |
Collection Overview:
A 2018 pre-event digital elevation model with 1.5 m postings was generated from 40 cm resolution stereo digital imagery collected by Hexagon Inc. The aerial images were captured from July 22, 2018 to September 1, 2018. A process called semi global matching (Gehrke et al., 2012) was applied to the imagery to automatically generate a DEM. OpenTopography is providing access to the point cloud derived from the DEM.
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Brooks, B. (2024). Photogrammetric Survey over Ridgecrest, CA 2018. Distributed by OpenTopography. https://doi.org/10.5069/G9FQ9TT9. Accessed 2026-10-06 Copied to Clipboard
Use License: CC BY 4.0
Dataset Keywords: photogrammetry, seismology, ridgecrest
Survey Date: 07/22/2018 - 09/01/2018
Publication Date: 12/18/2024
A 2018 pre-event digital elevation model with 1.5 m postings was generated from 40 cm resolution stereo digital imagery collected by Hexagon Inc. The aerial images were captured from July 22, 2018 to September 1, 2018. A process called semi global matching (Gehrke et al., 2012) was applied to the imagery to automatically generate a DEM. OpenTopography is providing access to the point cloud derived from the DEM.
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Brooks, B. (2024). Photogrammetric Survey over Ridgecrest, CA 2018. Distributed by OpenTopography. https://doi.org/10.5069/G9FQ9TT9. Accessed 2026-10-06 Copied to Clipboard
Use License: CC BY 4.0
Dataset Keywords: photogrammetry, seismology, ridgecrest
Survey Date: 07/22/2018 - 09/01/2018
Publication Date: 12/18/2024
Data Provider and Roles:
Principal Investigator
Principal Investigator
- Benjamin Brooks - United States Geological Survey
Total Number of Points:
445,997,122 pts
Area: 735.1 km2
Point Density: 0.61 pts/m2
Classifications:
Coordinate System:
Horizontal: NAD83 (2011) / UTM Zone 11N Meters [EPSG: 6340]
Vertical: NAVD88 (GEOID 12A) [EPSG: 5703]
Units: meter
Survey Report: N/A
LAS Validation Data Report: Reports
Area: 735.1 km2
Point Density: 0.61 pts/m2
Classifications:
| Class 2 - Ground | 445,997,122 |
Coordinate System:
Horizontal: NAD83 (2011) / UTM Zone 11N Meters [EPSG: 6340]
Vertical: NAVD88 (GEOID 12A) [EPSG: 5703]
Units: meter
Survey Report: N/A
LAS Validation Data Report: Reports
Tile Index in Shapefile Format:
Download
Dataset Boundary in GeoJSON Format: CA18_Brooks.geojson
Dataset Extent (Bounding Box): North: 35.962296884832696° South: 35.539218520657634° East: -117.34198390140824° West: -117.78683655670089°
Dataset Boundary in GeoJSON Format: CA18_Brooks.geojson
Dataset Extent (Bounding Box): North: 35.962296884832696° South: 35.539218520657634° East: -117.34198390140824° West: -117.78683655670089°