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Strömgren photometric system: UKIDSS (WFCAM) Z = 882 nm Y = 1031 nm J = 1248 nm H = 1631 nm K = 2201 nm UKIRT Infrared Deep Sky Survey: Vilnius photometric system U = 345 nm P = 374 nm S = 405 nm Y = 466 nm Z = 516 nm V = 544 nm S = 656 nm Vilnius photometric system: VISTA IRC Z = 0.88 μm Y = 1.02 μm J = 1.25 μm H = 1.65 μm
Aerial survey is a method of collecting geomatics or other imagery data using airplanes, helicopters, UAVs, balloons, or other aerial methods. Typical data collected includes aerial photography , Lidar , remote sensing (using various visible and invisible bands of the electromagnetic spectrum , such as infrared , gamma , or ultraviolet ) and ...
According to the United States Census Bureau, the town has a total area of 24.6 square miles (64 km 2), of which 24.4 square miles (63 km 2) is land and 0.3 square miles (0.78 km 2), or 1.06%, is water. The highest point in Sudbury is on the north slope of Nobscot Hill, and the highest summit is Tippling Rock. [27]
OpenDroneMap is an open source photogrammetry toolkit to process aerial imagery (usually from a drone) into maps and 3D models. [3] [4] [5] The software is hosted and distributed freely on GitHub. [6] OpenDroneMap has been integrated within American Red Cross's in-field Portable OpenStreetMap system. [7]
Pictometry is a patented aerial survey technique for producing oblique georeferenced imagery showing the fronts and sides of buildings and locations on the ground. Photos are captured by low-flying airplanes, depicting up to 12 perspectives (shot from a 40-degree angle) as well as an orthogonal (overhead) view of every location flown.
Low altitude aerial photograph for use in photogrammetry. Location: Three Arch Bay, Laguna Beach, California. Photogrammetry is the science and technology of obtaining reliable information about physical objects and the environment through the process of recording, measuring and interpreting photographic images and patterns of electromagnetic radiant imagery and other phenomena.
The Concord River is a 16.3-mile-long (26.2 km) [1] tributary of the Merrimack River in eastern Massachusetts, United States. The river drains a small rural, suburban region northwest of Boston . As one of the most notable small rivers in U.S. history, it was the scene of an important early battle of the American Revolutionary War and was the ...
They are represented on two-dimensional maps as they are seen from the air, or in aerial photography. [1] These features are often digitized from orthorectified aerial photography into data layers that can be used in analysis and cartographic outputs. [2] A planimetric map is one that does not include relief data. [3]