Today, Thomas Jefferson’s Monticello ranks as one of the most important historical sites in the United States. Two centuries ago, Monticello was a…
Volume 14 Issue 2
May 2024
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FEATURES
05.04.2024
3D AI in the Lidar HD Production Process
How AI improves the point-cloud classification process at IGN, France’s national mapping agency The Lidar HD program Designed to meet the needs of…
05.04.2024
Digital Twins Open Up New Possibilities For Rainforest Conservation
R-evolution uses Hexagon airborne and terrestrial lidar sensors as fundamental data sources
Imagine a digital twin. Perhaps you are imagining the digital representation of a chip inside a phone or of a manufacturing shop floor,…
05.04.2024
Lidar DEMs for Continuous Flow Surface Hydrography Feature Extraction
A comparison of different lidar acquisitions in Pinellas County, Florida
Surface-water modeling from lidar-derived DEMs Over the past 20 years, lidar-derived digital elevation models (DEMs) have become the staple of surface-water hydrography and…
05.04.2024
Decades of Historic Data Finished
Ohio turns to elevation-derived hydrography
Accurate geospatial data on surface water and drainage is crucial for planning, engineering, and daily operational activities for every county in every state….
05.04.2024
Best Practices in Evaluating Geospatial Mapping Accuracy According to the New ASPRS Accuracy Standards
Accuracy assessments must take errors in ground control network into account
This highlight article was inspired by a comment I received from Richard C. Maher, PLS, president of KDM Meridian: “I attended both of…
COLUMNS
From the Editor
05.14.2024
A Tale of Three Meetings
Esri, SDSU/ASPRS and GreenValley host lively events
A perfect, vernal morning on the Berkeley Marina offered stirring views of the Golden Gate Bridge in one direction and the UCB campus…
From the Editor
05.04.2024
A Digital Record
Our cover story is about an archaeological application. Well-known geospatial services company Surdex1 was contracted by the Thomas Jefferson Foundation to acquire lidar…
Full Coverage
05.04.2024
Full Coverage: The Case For (And Against) Propagated Uncertainty in Aerial Topographic LiDAR
There is a strong case for adding Total Propagated Uncertainty to the LAS specification, but it would almost certainly increase cost. The Geo…