Category Archives: topography

DEM Users Manual 3rd Edition is Now Available

The 3rd edition of the DEM Users Manual includes 15 chapters, three appendices and a detailed Index. References in the eBook version are hyperlinked which is coming soon. Chapter and appendix titles include: 1. Introduction to DEMs 2. Vertical Datums … Continue reading

Posted in 3D Modeling, Agriculture, airborne LiDAR, bathymetric, Data, Education, Environmental, Forestry, GIS, Hydrographic LiDAR, Laser Scanning, Lidar, Mapping, Photogrammetry, Quality, remote sensing, Research, Software, Standards, topography | Tagged , , , , , , | Leave a comment

Monitoring Salt Marsh Shorelines with a UAS

This article written by Amy S. Farris, et al on monitoring salt marsh shorelines with a UAS recently appeared in Drone Below. Drones are now a vital tool in assessing the health of salt marshes which are crucial for the … Continue reading

Posted in 3D Modeling, airborne LiDAR, bathymetric, Data, Environmental, GIS, Government, Lidar, Mapping, Photogrammetry, point clouds, remote sensing, Research, Sensors, Software, Structure from motion, topography, UAS, UAVs | Tagged , , , , , , , | Leave a comment

Automated Land Cover Change Detection

Abstract – This paper investigates the possibility of applying light detection and ranging (LiDAR) point clouds and geographic information system (GIS) analyses for land use and land cover (LULC) automated change detection, mainly with a view to monitoring uncontrolled forest … Continue reading

Posted in 3D Modeling, Agriculture, airborne LiDAR, Data, Environmental, Forestry, GIS, Lidar, Mapping, point clouds, remote sensing, Research, topography, Young Geospatial Professional | Tagged , , , , , , , | Leave a comment

Emergency Management of Flooding with Small UAS

This in-depth Tech Brief on emergency management involving flooding and the use of sUAS comes from the Federal Highway Administration. INTRODUCTION Flooding is a unique event or occurrence: it may be a standalone incident, or it may accompany another event. … Continue reading

Posted in 3D Modeling, Agriculture, airborne LiDAR, Civil Engineering, Environmental, Geomatics, GIS, Government, Infrastructure, Laser Scanning, Lidar, Mapping, remote sensing, Research, topography, UAS, UAVs | Tagged , , | Leave a comment

Roadway Expansion Means Expanding Tools

When officials in Sarpy County, Nebraska began looking at ways to connect additional traffic from a new bridge built on Highway 34 over the Missouri River they realized it would require a lot of data for planning and design. Platteview … Continue reading

Posted in 3D Modeling, airborne LiDAR, Business Development, Civil Engineering, Construction, Data, geodetic, Geomatics, Infrastructure, Laser Scanning, Lidar, Mapping, Mobile LiDAR, point clouds, Safety, Sensors, Surveying, Surveying Engineering, topography, UAS, UAVs, Visualization, Young Geospatial Professional | Tagged , , , , , | Leave a comment

Single Photon Lidar – Proper Use From an Industry Pioneer

As lidar sensor choices expand, knowing the right tool for the job is key. Single Photon Lidar – SPL, offers many benefits over traditional linear mode lidar, but it is not a panacea. by Qassim Abdullah, CP, PSM  and Michael … Continue reading

Posted in 3D Modeling, airborne LiDAR, Data, Environmental, Government, Lidar, remote sensing, Research, Sensors, topography | Tagged , , , , , , | Leave a comment

Wounded Eagle UAS Completes Mission for the VA

Wounded Eagle UAS (WE) unmanned aerial surveillance, with the help of their student UAS operators, completed aerial mapping of VA Greater Los Angeles Healthcare System’s (VAGLAHS) 388-acre VA West Los Angeles Medical Center (WLA) campus. Using a UAS and drone … Continue reading

Posted in 3D Modeling, Autonomous vehicles, cultural heritage, Data, Drones, Education, Government, Historic Preservation, Lidar, Mapping, medical, Orgs, Photogrammetry, topography, UAS, UAVs, Young Geospatial Professional | Tagged , , , , , , , , | Leave a comment

Positional Accuracy Assessment for NAIP/3DEP Pilot

The Leica Geosystems CountryMapper hybrid system has the potential to collect data that satisfy the U.S. Geological Survey (USGS) National Geospatial Program (NGP) and 3D Elevation Program (3DEP) and the U.S. Department of Agriculture (USDA) National Agriculture Imagery Program (NAIP) … Continue reading

Posted in 3D Modeling, Agriculture, airborne LiDAR, Data, Government, Lidar, Mapping, Photogrammetry, point clouds, remote sensing, Research, Sensors, The Industry, topography, Young Geospatial Professional | Tagged , , , , , | 2 Comments

Photogrammetry and Mobile Lidar – A Hybrid Approach

Combining multiple types of geospatial data collection, such as aerial photogrammetry and mobile lidar, requires a detailed knowledge of sensors, error models, navigation, ground control and data processing. This would be a challenge for any geomatics firm, but the rewards … Continue reading

Posted in 3D Modeling, airborne LiDAR, Data, geodetic, Geomatics, GIS, GNSS, GPS, Infrastructure, Laser Scanning, Lidar, Mapping, Mobile LiDAR, Photogrammetry, Sensors, Software, Surveying, Surveying Engineering, topography, UAS, UAVs | Tagged , | Leave a comment

Disaster Vulnerability Assessed with Lidar

A new Disaster Vulnerability Reduction Project (DVRP) initiative is using LiDAR to map Saint Lucia for the very first time. The initiative is the latest in a series of major activities under the Disaster Vulnerability program, including steps toward the … Continue reading

Posted in 3D Modeling, Agriculture, airborne LiDAR, bathymetric, Business Development, Covid-19, cultural heritage, Data, Environmental, Forestry, Government, Historic Preservation, Hydrographic LiDAR, Laser Scanning, Lidar, Mapping, Photogrammetry, point clouds, remote sensing, Surveying, topography | Tagged , , , , , , | Leave a comment