Globally, surveyors have witnessed a transformation in their profession due to advancements in technology and the increased affordability of drone equipment. More professionals, including Galloway, are discovering how to enhance their workflows using drones. With the addition of our new Wingtra drone last year, along with DJI M3E drones, and advanced software to analyze the drone data, we can cover larger areas with greater density, efficiency, and accuracy, resulting in more precise designs that are delivered on time and within budget.
For a recent King Soopers program project in Aurora, Colorado, our survey team used traditional GPS methods alongside drone analysis to compare the two techniques. The data collected by these methods is most often used for ALTA surveys to define legal boundaries and generate topographic contours for design. Traditional GPS produces a point every 20 feet, whereas the drone produces a point every half inch. The drone took a few thousand photos of the King Soopers site, which were processed using Pix4D software to create a 3D point cloud and fly-through. For about two years, Galloway has been using orthophoto imaging to create 2D images; however, utilizing Pix4D allows for a higher level of detail with a 3D point cloud, providing a better understanding of the current site conditions.
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