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The aerial cloudscapes painted by Georgia O'Keeffe in the 1960s and 1970s are a special case. Many of them are not landscapes at all, since they don't show any land. They depict images of clouds viewed from above, suspended in blue sky, with the land below nowhere to be seen; it is the view of clouds regarded at a downward and sideways angle, as from the window of an airplane.
Overlapping of aerial photos means that around 60% of the covered area of every aerial image overlays that of the one before it. [2] Every object along the flying path can be observed twice at a minimum. [2] The purpose of overlapping the aerial photography is to generate the 3D topography or relief when using a stereoscope for interpretation. [2]
The origins of aerial photography, which led to the rise of aerial archaeology, began in the mid-19th century with early experiments in capturing landscapes from above. The French photographer Nadar (Gaspard-Félix Tournachon), who is credited with taking the first aerial photograph from a balloon in 1858 over the outskirts of Paris.
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.
Aerial photography typically refers specifically to bird's-eye view images that focus on landscapes and surface objects, and should not be confused with air-to-air photography, where one or more aircraft are used as chase planes that "chase" and photograph other aircraft in flight.
In a tweet by BuzzFeed's David Mack, aerial images of the National Mall showed that crowds at the Women's March may have outnumbered attendance at Trump's inaugural address.
Credit line: The Lyda Hill Texas Collection of Photographs in Carol M. Highsmith's America Project, Library of Congress, Prints and Photographs Division. Date Taken on 5 May 2014, 16:26 (according to Exif data)
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