AERIAL PHOTOGRAPHY ACQUISITION
ATM owns, operates, and maintains our Cessna 310 equipped with the cutting-edge Vexcel Ultracam Falcon digital camera system. Flown by FAA certified Pilot, Instructor, and Mechanic Mike Grossman, a founding partner of the firm, who has over 10,000 hours of photogrammetric flight experience. Owning and operating our aircraft eliminates unexpected flight delays often encountered when subbing out this most important part of the photogrammetric process.
Our photogrammetric mapping is performed on softcopy stereo workstations running Datem System’s Summit Evolution software under the direct supervision of a Certified Photogrammetrist (CP). Compilation of the Digital Terrain Model (DTM) consists of full-stereo digitizing of an equidistant grid supplemented with 3D breaklines. Following completion of the DTM, the required planimetric features are collected. Features that were captured as break-lines during the creation of the DTM, such as roads, railroads, and streams, are extracted, smoothed, and written to the planimetric file.
Digital Orthophotography is an aerial image that has been geometrically corrected in order to have a uniform scale. It is, in essence, a photographic map. ATM utilizes Trimble’s Inpho and OrthoVista software systems to precisely transform aerial images into consistent, and highly accurate, orthophotography mosaics.
ATM currently holds a Certificate of Waiver or Authorization of FAR 91.119 (b) and (c) for UAV operations within the continental United States. We are approved to fly over 200 different types of UAV’s, but we currently own and operate the Precision Hawk Mark V and DJI Phantom 4. The Precision Hawk Mark V has a 14 Mega Pixel RGB camera, and four multispectral imagers. The DJI Phantom 4 (Phantom) is an extremely intelligent and adaptable UAV, and both have the capacity to shoot 4K video or 12 megapixel stills.
ATM uses proven state of the art production methodologies leveraged by one of our certified photogrammetrist to accurately measure and document site topography, landfills, mining operations, aggregate reserves, and reservoir volumes utilizing digital imagery or LiDAR technology.
LIDAR DATA COLLECTION/ PROCESSING
ATM uses LiDAR (Light Detection and Ranging) as a remote sensing tool that uses light in the form of a pulsed laser to measure variable distances on the earth’s surface. ATM uses this 3D imaging tool for a variety of services including, but not limited to: digital elevation modeling, precision topography and mapping, forest planning and management, environmental assessments, flood-plain mapping, and stream delineation modeling.