Thursday, 21 August 2014

Google Earth 2014

               Google Earth for PC and MAC.

 Google Earth is a virtual globemap and geographical information program that was originally called EarthViewer 3D created by Keyhole, Inc, a Central Intelligence Agency (CIA) funded company acquired byGoogle in 2004 (see In-Q-Tel). It maps the Earth by the superimposition of images obtained from satellite imageryaerial photography and geographic information system (GIS) 3D globe.
Google Earth is a virtual globemap and geographical information program that was originally called EarthViewer 3D created by Keyhole, Inc, a Central Intelligence Agency (CIA) funded company acquired byGoogle in 2004 (see In-Q-Tel). It maps the Earth by the superimposition of images obtained from satellite imageryaerial photography and geographic information system (GIS) 3D globe. It was originally available with three different licenses, but has since been reduced to just two: Google Earth (a free version with limited function) and Google Earth Pro ($399 per year), which is intended for commercial use.[4] The third original option, Google Earth Plus, has been discontinued.[5][6]
The product, re-released as Google Earth in 2005, is available for use on personal computers running Windows 2000 and above, Mac OS X 10.3.9 and above, Linux kernel: 2.6 or later (released on June 12, 2006), andFreeBSD. Google Earth is also available as a browser plugin which was released on May 28, 2008.[7] It was also made available for mobile viewers on the iPhone OS on October 28, 2008, as a free download from the App Store, and is available to Android users as a free app in the Google Play store. In addition to releasing an updated Keyhole based client, Google also added the imagery from the Earth database to their web-based mapping software, Google Maps. The release of Google Earth in June 2005 to the public caused a more than tenfold increase in media coverage on virtual globes between 2004 and 2005,[8] driving public interest ingeospatial technologies and applications. As of October 2011, Google Earth has been downloaded more than a billion times.[9][10]
For other parts of the surface of the Earth, 3D images of terrain and buildings are available. Google Earth usesdigital elevation model (DEM) data collected by NASA's Shuttle Radar Topography Mission (SRTM).[11] This means one can view almost the entire earth in three dimensions. Since November 2006, the 3D views of many mountains, including Mount Everest, have been improved by the use of supplementary DEM data to fill the gaps in SRTM coverage.[12]
Many people use the applications to add their own data, making them available through various sources, such as the Bulletin Board Systems (BBS) or blogs mentioned in the link section below. Google Earth is able to show all kinds of images overlaid on the surface of the earth and is also a Web Map Service client. Google Earth supports managing three-dimensional Geospatial data through Keyhole Markup Language (KML).[13]

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