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Brian A McClendon (born 1964) is an American software executive, engineer, and inventor. [1] He was a co-founder and angel investor in Keyhole, Inc., a geospatial data visualization company that was purchased by Google in 2004 [2] [3] to produce Google Earth.
A tiled web map, slippy map [1] (in OpenStreetMap terminology) or tile map is a map displayed in a web browser by seamlessly joining dozens of individually requested image or vector data files. It is the most popular way to display and navigate maps, replacing other methods such as Web Map Service (WMS) which typically display a single large ...
The projection found on these maps, dating to 1511, was stated by John Snyder in 1987 to be the same projection as Mercator's. [6] However, given the geometry of a sundial, these maps may well have been based on the similar central cylindrical projection, a limiting case of the gnomonic projection, which is the basis for a sundial. Snyder ...
A classified choropleth map separates the range of values into classes, with all of the districts in each class being assigned the same color. An unclassed map (sometimes called n-class) directly assigns a color proportional to the value of each district. Starting with Dupin's 1826 map, classified choropleth maps have been far more common. [2]
Navteq was an American company founded in 1985 as Karlin & Collins, Inc., later known as Navigation Technologies Corporation and eventually as Navteq. At the time of its acquisition by Nokia, Navteq was the largest maker of automotive-grade map data used in car navigation equipment.
Google Map Maker was a map editing service launched by Google in June 2008. [2] In geographies where it is hard to find providers of good map data, user contributions ...
Route map Interstate 35. Interstate 35, with eastern and western forks. ... On I-35E in Minnesota between MN 5 and I-94, in both directions, trucks weighing more than ...
Topographic map of Okinawa Island. Okinawa is the fifth largest island of Japan. The island has an area of 1,206.99 square kilometers (466.02 sq mi). The coastline is 476 kilometers (296 mi) long. [36] The straight-line distance is about 106.6 kilometers (66.2 mi) from north to south. [37] Okinawa is in the northeastern end of Okinawa Prefecture.