Aerial Photography Click here for Tutorial Aerial photos are routinely used for topographic mapping, urban planning, geological and soils mapping, military reconnaissance, forest management, disaster assessment, and a broad range of agricultural applications. Aerial Survey Click here for Tutorial Aerial survey is t he study of the earth's surface using images taken from aircraft.
Aerial survey is used in mapmaking, agriculture, environmental studies, and military operations.
The science of making extremely precise measurements of height, area, distance, and volume from aerial images and using these measurements to create detailed physical maps is called photogrammetry. This process also enables accurate measurements of ground distance on the photos-just as you get on maps. 1-meter ground resolution image, covering 3.75 minutes of latitude by 3.75 minutes of longitude. As with the paper topographic maps, DRG's can be used for hiking, camping, hunting, or other recreational activities. The resulting hybrid product is excellent for collecting and revising digital map data.