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Originally published on Wikipedia July 10, 2004 as Image:Upper arlington, ohio satellite map.jpg Public domain Public domain false false This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey , an agency of the United States Department of the ...
Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.
Google Maps' satellite view is a "top-down" or bird's-eye view; most of the high-resolution imagery of cities is aerial photography taken from aircraft flying at 800 to 1,500 feet (240 to 460 m), while most other imagery is from satellites. [5]
The imagery includes samples taken by satellite sensors, aerial cameras (including 45 degree oblique "bird's eye" aerial imagery licensed from Pictometry International), Streetside imagery, 3D city models and terrain. Bing Maps Platform also provides a point-of-interest database including a search capability.
Windows Live Local Beta, showing aerial imagery. Bing Maps was originally launched as MSN Virtual Earth, which was released for beta testing on July 24, 2005. [2] It was a continuation of previous Microsoft technologies such as Microsoft MapPoint and TerraServer. Its original stand out feature was the aerial imagery. [3]
Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources. OpenStreetMap is freely licensed under the Open Database License and is commonly used to make electronic maps, inform turn-by-turn navigation, and assist in humanitarian aid and data visualisation.
Outdoor, satellite, winter, standard, traffic, terrain Map, terrain, satellite (exclusive to editing) Map, satellite, terrain, 3D with plugin, 3D without plugin for compatible browsers, night mode Map, satellite, terrain, hybrid, flyover, 3D Map, satellite, hybrid, 3D Cell-based location Yes Yes Unknown Yes Unknown Yes Yes Yes Wi-fi location Yes
For certain downloadable images (such as maps), American Memory at the Library of Congress began using MrSID in 1996; in January 2005 it also began using JPEG 2000. [6] Depending on image content and color depth, compression of American Memory maps is typically better with MrSID, which on average achieves a compression ratio of approximately 22 ...
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