Category Archives: Surveying
Safety First: Using Small Drones to Map Unsafe Sites
Traditionally, photogrammetry based on aerial images and stereo plotting, has been the realm of large mapping companies capable of affording the onerous ownership of planes and the high personnel cost of pilots, navigators and camera operators. The equipment used to convert the stereoscopic pairs into contour line maps cost hundreds of thousands of dollars and...
Doers: James Cooper
Leaving school at 15 years old with little education wasn’t unusual in the UK before it was compulsory to complete your education and take exams. That’s the path James Cooper found himself on in 1972, but he made the best of it. Suffering from both dyscalculia and dysgraphia, he found school a challenge. This is...
Geoid Schmeoid – Hybrid Geoid Height Models
In my area of surveying practice, perhaps the most frequent misunderstanding that I encounter involves the proper application of NGS produced hybrid geoid height models, or even what a hybrid geoid height model is. Because I was so frequently asked about this, I decided to prepare a paper on the topic that I could use...
NavVis VLX: A New Take on Mobile Mapping
The NavVis VLX, the first-of-its-kind wearable mapping system designed for hands-free reality capture, including survey-grade point clouds, was introduced in May and is already having an impact in the field. The VLX captures high-quality data in even the most complex built environments. The unprecedented data quality delivered by a compact, versatile device sets a new...
Trimble R12i: The Next Evolution of GNSS Solution
The new Trimble R12i GNSS receiver marks the latest addition to its Global Navigation Satellite System (GNSS) portfolio. The Trimble R12i incorporates robust tilt compensation to increase productivity for land surveyors. The Trimble R12i incorporates Inertial Measurement Unit (IMU)-based tilt compensation using Trimble TIP™ technology, which enables points to be measured or staked out while...
Army Corps’ (JALBTCX) data improves coastal projects
In a hotel conference room on Long Island, New York, a team of experts is processing data and information on computers. Alongside them is a large display monitor that is projecting the information. The team is the Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX). “It’s a beautiful thing. On the screen they are...
