Category Archives: Surveying

The UAS Scene

The Association for Unmanned Systems International is a 10-year old association dedicated to tracking products, research, and applications for unmanned vehicles. This year’s conference in May in Orlando brought over 6,500 conference-goers to see products and information at the booths of over 500 exhibitors. The primary focus of the conference was airborne vehicles, but marine...

State of: Technology in Oil and Gas

Perhaps more so now than when Bob Dylan first penned the lyrics to The Times They Are A-Changing, this title line carries a sense of urgency, and it continues to reverberate with a significance that transcends any specific moment in time. We now live in an age where nothing is more constant than change, and...

State of: Surveying

Surveying is the timeless science and profession of geographic measurement and boundary determination that has evolved over the centuries, constantly improving with advancements in technology to keep pace with the world around it. One aspect, however, has not and should not change: the fact that surveying is a profession. Per professional licensure and supporting laws,...

State of: Close-Range Photogrammetry

By definition, close-range photogrammetry (CRP) is simply photogrammetric data collection and processing where the subject is less than 1,000 feet away. Collection methods can be both ground- or aerial-based, and the final output can be rendered either two- or three-dimensionally. Several factors have made this a powerful tool for geospatial professionals. The strongest of these...

Geoid Model Interpolation Problem

The Canadian federal government recently released the first new vertical datum in 80 years in Canada. The new vertical datum is called the Canadian Geodetic Vertical Datum of 2013 (CGVD2013). The introduction of this new datum not only establishes a more accurate and precise vertical reference system, it also introduces a new methodology for realizing...

Airport Point Cloud

When to Use Laser Scanning

Some clients don’t understand the benefits of point cloud data and how it can be leveraged. At my company I talk to them about how laser scanning might fit the type of project they have as well as the potential cost savings. First and foremost, collecting and using laser point cloud data on your project...