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Four Corners. Coordinates: 36°59′56.3″N 109°02′42.6″W. The Four Corners region is the red circle in this map. The Four Corners states are highlighted in orange. False-color satellite image of the Four Corners. Bright red lines are vegetation along the major rivers of the area. A young Navajo boy on horseback in Monument Valley.
v. t. e. A geographic coordinate system ( GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [ 1] It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Name used in the default map caption; image = Location map Washington DC Cleveland Park to Southwest Waterfront.png The default map image, without "Image:" or "File:" top = 38.9375 Latitude at top edge of map, in decimal degrees; bottom = 38.8591 Latitude at bottom edge of map, in decimal degrees; left = -77.0886 Longitude at left edge of map ...
In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane. [ 1][ 2][ 3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [ 4][ 5 ...
and λ is the longitude, λ 0 is the central meridian, φ is the latitude, and R is the radius of the globe to be projected. The map has area 4 π R 2, conforming to the surface area of the generating globe. The x-coordinate has a range of [−2R √ 2, 2R √ 2], and the y-coordinate has a range of [−R √ 2, R √ 2].
Relief map of USA Alaska.png. Map of Alaska (click on map to see larger image) Module:Location map/data/USA Alaska is a location map definition used to overlay markers and labels on an equirectangular projection map of the U.S. state of Alaska. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
The default map image, without "Image:" or "File:" image1 = USA Washington relief location map.jpg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 49.2 Latitude at top edge of map, in decimal degrees; bottom = 45.3 Latitude at bottom edge of map, in decimal degrees; left ...